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		<id>https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=2872%3A_Hydrothermal_Vents</id>
		<title>2872: Hydrothermal Vents - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=2872%3A_Hydrothermal_Vents"/>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;action=history"/>
		<updated>2026-05-23T12:02:45Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.30.0</generator>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=369939&amp;oldid=prev</id>
		<title>172.70.85.33: Trivia sections, as this now is, generally go beneath the Transcripts.</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=369939&amp;oldid=prev"/>
				<updated>2025-03-23T21:48:14Z</updated>
		
		<summary type="html">&lt;p&gt;Trivia sections, as this now is, generally go beneath the Transcripts.&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 21:48, 23 March 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l21&quot; &gt;Line 21:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 21:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This was the second time in three years that Santa is killed in Randall's Christmas comics, the first being [[2559: December 25th Launch]]. Before this he has only killed Santa back in 2008 in the [[2008 Christmas Special]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This was the second time in three years that Santa is killed in Randall's Christmas comics, the first being [[2559: December 25th Launch]]. Before this he has only killed Santa back in 2008 in the [[2008 Christmas Special]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==Trivia==&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;In [[1933: Santa Facts]], it was stated that the plural of Santa was &amp;quot;Santa&amp;quot;, but here the term &amp;quot;Santas&amp;quot; is used.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l34&quot; &gt;Line 34:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 30:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Caption below the panel:]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Caption below the panel:]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Ocean fact: Hydrothermal vent black smokers actually evolved as predatory chimney mimics to feed on benthic Santas.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Ocean fact: Hydrothermal vent black smokers actually evolved as predatory chimney mimics to feed on benthic Santas.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==Trivia==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;In [[1933: Santa Facts]], it was stated that the plural of Santa was &amp;quot;Santa&amp;quot;, but here the term &amp;quot;Santas&amp;quot; is used.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{comic discussion}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{comic discussion}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.70.85.33</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=369883&amp;oldid=prev</id>
		<title>Bb777: ~~~~~~~~</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=369883&amp;oldid=prev"/>
				<updated>2025-03-23T00:29:54Z</updated>
		
		<summary type="html">&lt;p&gt;~~~~~~~~&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 00:29, 23 March 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l21&quot; &gt;Line 21:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 21:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This was the second time in three years that Santa is killed in Randall's Christmas comics, the first being [[2559: December 25th Launch]]. Before this he has only killed Santa back in 2008 in the [[2008 Christmas Special]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This was the second time in three years that Santa is killed in Randall's Christmas comics, the first being [[2559: December 25th Launch]]. Before this he has only killed Santa back in 2008 in the [[2008 Christmas Special]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==Trivia==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In [[1933: Santa Facts]], it was stated that the plural of Santa was &amp;quot;Santa&amp;quot;, but here the term &amp;quot;Santas&amp;quot; is used.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In [[1933: Santa Facts]], it was stated that the plural of Santa was &amp;quot;Santa&amp;quot;, but here the term &amp;quot;Santas&amp;quot; is used.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Bb777</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=346841&amp;oldid=prev</id>
		<title>ConscriptGlossary: Fixed typo</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=346841&amp;oldid=prev"/>
				<updated>2024-07-21T13:56:36Z</updated>
		
		<summary type="html">&lt;p&gt;Fixed typo&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 13:56, 21 July 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l25&quot; &gt;Line 25:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 25:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[An undersea landscape is shown. A rock formation goes up from &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/del&gt;the middle part op the bottom of the panel. The top of the formation has five &amp;quot;hot-smoker&amp;quot; chimneys of different heights, almost like a hand with the thumb to the right, but the middle finger being the shortest and the &amp;quot;index finger&amp;quot; being somewhat longer than all the others. From all five chimneys thick gray smoke is emitted. The smoke rises almost vertically to start from all five, and the four to the left have their smoke combine rather early and it bulges to the left. The rightmost chimney's smoke bends to the right and only merges with the combined smoke from the others at the top right. Below the chimneys their interior in the rock formation is indicated with dotted lines and the inside of these chimneys are thus displayed. At the bottom all five merge into a large cavity (shown with dotted lines) inside the rock formation. In this cavity there is a liquid in which several items float around, most notably two Santa Claus hats and two large bones surrounded by five smaller blobs of material and several smaller specks. On the outside on the rock formation grow four types of sea-life, a sponge and some sea lilies or the like, one on the left side and three on the right. To the left two fish are swimming near the rock and close to it on the right there is an octopus. There are three labels with lines pointing to the smoke, to the vents, and to the cavity in the rock formation containing the Santa hats and fragments.]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[An undersea landscape is shown. A rock formation goes up from the middle part op the bottom of the panel. The top of the formation has five &amp;quot;hot-smoker&amp;quot; chimneys of different heights, almost like a hand with the thumb to the right, but the middle finger being the shortest and the &amp;quot;index finger&amp;quot; being somewhat longer than all the others. From all five chimneys thick gray smoke is emitted. The smoke rises almost vertically to start from all five, and the four to the left have their smoke combine rather early and it bulges to the left. The rightmost chimney's smoke bends to the right and only merges with the combined smoke from the others at the top right. Below the chimneys their interior in the rock formation is indicated with dotted lines and the inside of these chimneys are thus displayed. At the bottom all five merge into a large cavity (shown with dotted lines) inside the rock formation. In this cavity there is a liquid in which several items float around, most notably two Santa Claus hats and two large bones surrounded by five smaller blobs of material and several smaller specks. On the outside on the rock formation grow four types of sea-life, a sponge and some sea lilies or the like, one on the left side and three on the right. To the left two fish are swimming near the rock and close to it on the right there is an octopus. There are three labels with lines pointing to the smoke, to the vents, and to the cavity in the rock formation containing the Santa hats and fragments.]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Top label: Smoke&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Top label: Smoke&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Middle label: Chimneys&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Middle label: Chimneys&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>ConscriptGlossary</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=344926&amp;oldid=prev</id>
		<title>PDesbeginner at 17:38, 23 June 2024</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=344926&amp;oldid=prev"/>
				<updated>2024-06-23T17:38:00Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 17:38, 23 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l21&quot; &gt;Line 21:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 21:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This was the second time in three years that Santa is killed in Randall's Christmas comics, the first being [[2559: December 25th Launch]]. Before this he has only killed Santa back in 2008 in the [[2008 Christmas Special]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This was the second time in three years that Santa is killed in Randall's Christmas comics, the first being [[2559: December 25th Launch]]. Before this he has only killed Santa back in 2008 in the [[2008 Christmas Special]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;In [[1933: Santa Facts]], it was stated that the plural of Santa was &amp;quot;Santa&amp;quot;, but here the term &amp;quot;Santas&amp;quot; is used.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>PDesbeginner</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332383&amp;oldid=prev</id>
		<title>Divegeek: Added missing &quot;be&quot; in &quot;all Santas may [be] drawn to&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332383&amp;oldid=prev"/>
				<updated>2024-01-05T22:27:58Z</updated>
		
		<summary type="html">&lt;p&gt;Added missing &amp;quot;be&amp;quot; in &amp;quot;all Santas may [be] drawn to&amp;quot;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 22:27, 5 January 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This [[:Category:Christmas|Christmas comic]] was released on {{w|Christmas Day}} 2023, in the morning (at least in [[Randall]]'s timezone in Boston). It is the second Christmas comic using [[:Category:Facts|Facts]], an Ocean Fact in this comic. The first of these was released six years earlier, also on Christmas Day in comic [[1933: Santa Facts]]. In the world above the surface of the sea, {{w|Santa Claus}} had just finished his annual trip around the world when this comic was posted.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This [[:Category:Christmas|Christmas comic]] was released on {{w|Christmas Day}} 2023, in the morning (at least in [[Randall]]'s timezone in Boston). It is the second Christmas comic using [[:Category:Facts|Facts]], an Ocean Fact in this comic. The first of these was released six years earlier, also on Christmas Day in comic [[1933: Santa Facts]]. In the world above the surface of the sea, {{w|Santa Claus}} had just finished his annual trip around the world when this comic was posted.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The comic claims that there are &amp;quot;{{wiktionary|benthic}} Santas&amp;quot;, meaning Santas that deliver gifts {{w|Benthic zone|to the seafloor}}. The joke here is that all Santas may drawn to [[1620: Christmas Settings|go down chimneys]] by their very existence, and that {{w|hydrothermal vent}}s have {{w|Aggressive mimicry|evolved}} to trick undersea Santa into entering them, believing they were real chimneys, and thus getting killed and digested by the vents as seen in the comic. This is not an entirely unknown {{w|Pitcher plant|digestive mechanism}}, although the depicted version goes beyond all known biological processes. This comic is [[2559: December 25th Launch|one of]] the darker-themed Christmas comics, compared to the usual merry xmas comics.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The comic claims that there are &amp;quot;{{wiktionary|benthic}} Santas&amp;quot;, meaning Santas that deliver gifts {{w|Benthic zone|to the seafloor}}. The joke here is that all Santas may &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;be &lt;/ins&gt;drawn to [[1620: Christmas Settings|go down chimneys]] by their very existence, and that {{w|hydrothermal vent}}s have {{w|Aggressive mimicry|evolved}} to trick undersea Santa into entering them, believing they were real chimneys, and thus getting killed and digested by the vents as seen in the comic. This is not an entirely unknown {{w|Pitcher plant|digestive mechanism}}, although the depicted version goes beyond all known biological processes. This comic is [[2559: December 25th Launch|one of]] the darker-themed Christmas comics, compared to the usual merry xmas comics.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are many things that are very strange mentioned. There is little to no evidence that actual humans live down deep in the sea, and fish and other undersea creatures are unlikely to know what &amp;quot;Santa&amp;quot; is or understand the concept of Christmas, so it is unclear what the exact ecological niche of &amp;quot;benthic Santas&amp;quot; might be. The comic shows the remains of several &amp;quot;Santas&amp;quot;, suggesting that there may be multiple members of this 'Santa' species, in contrast to some assertions in the literature that there is only one (although this proliferation might also help explain the many Santas who appear on street corners, shopping malls, etc.). It is also possible that there is just one extant specimen Santa at any time (perhaps or perhaps not of the specifically subsea variety), whose death invokes the spontaneous appearance of [https://buffy.fandom.com/wiki/Slayer a replacement], or causes (clauses?) another transformation into the 'santa' form, {{w|Thalassoma_bifasciatum#Sex_change|through socially-mediated dimorphism}}, from a population of initially non-santaform individuals.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are many things that are very strange mentioned. There is little to no evidence that actual humans live down deep in the sea, and fish and other undersea creatures are unlikely to know what &amp;quot;Santa&amp;quot; is or understand the concept of Christmas, so it is unclear what the exact ecological niche of &amp;quot;benthic Santas&amp;quot; might be. The comic shows the remains of several &amp;quot;Santas&amp;quot;, suggesting that there may be multiple members of this 'Santa' species, in contrast to some assertions in the literature that there is only one (although this proliferation might also help explain the many Santas who appear on street corners, shopping malls, etc.). It is also possible that there is just one extant specimen Santa at any time (perhaps or perhaps not of the specifically subsea variety), whose death invokes the spontaneous appearance of [https://buffy.fandom.com/wiki/Slayer a replacement], or causes (clauses?) another transformation into the 'santa' form, {{w|Thalassoma_bifasciatum#Sex_change|through socially-mediated dimorphism}}, from a population of initially non-santaform individuals.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Divegeek</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332271&amp;oldid=prev</id>
		<title>Kynde: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332271&amp;oldid=prev"/>
				<updated>2024-01-04T11:32:42Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 11:32, 4 January 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l20&quot; &gt;Line 20:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 20:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The 1970s timeframe likely refers to the discovery in 1977 of hydrothermal vent ecosystems near the Galapagos Rift, which formed the basis of this new theory of abiogenesis. By suggesting that the &amp;quot;benthic Santas&amp;quot; were part of this discovery, the comic implies that a key aspect of Christmas folklore might also have its roots in these deep-sea ecosystems.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The 1970s timeframe likely refers to the discovery in 1977 of hydrothermal vent ecosystems near the Galapagos Rift, which formed the basis of this new theory of abiogenesis. By suggesting that the &amp;quot;benthic Santas&amp;quot; were part of this discovery, the comic implies that a key aspect of Christmas folklore might also have its roots in these deep-sea ecosystems.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This was the second time in three years that Santa is killed in Randall's Christmas comics, the first being [[2559: December 25th Launch]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This was the second time in three years that Santa is killed in Randall's Christmas comics, the first being [[2559: December 25th Launch&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;]]. Before this he has only killed Santa back in 2008 in the [[2008 Christmas Special&lt;/ins&gt;]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Kynde</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332267&amp;oldid=prev</id>
		<title>Kynde: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332267&amp;oldid=prev"/>
				<updated>2024-01-04T11:08:34Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 11:08, 4 January 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l19&quot; &gt;Line 19:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 19:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The 1970s timeframe likely refers to the discovery in 1977 of hydrothermal vent ecosystems near the Galapagos Rift, which formed the basis of this new theory of abiogenesis. By suggesting that the &amp;quot;benthic Santas&amp;quot; were part of this discovery, the comic implies that a key aspect of Christmas folklore might also have its roots in these deep-sea ecosystems.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The 1970s timeframe likely refers to the discovery in 1977 of hydrothermal vent ecosystems near the Galapagos Rift, which formed the basis of this new theory of abiogenesis. By suggesting that the &amp;quot;benthic Santas&amp;quot; were part of this discovery, the comic implies that a key aspect of Christmas folklore might also have its roots in these deep-sea ecosystems.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;This was the second time in three years that Santa is killed in Randall's Christmas comics, the first being [[2559: December 25th Launch]].&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Kynde</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332234&amp;oldid=prev</id>
		<title>172.70.85.163: /* Explanation */ emmigrate/immigrate to/from (dependent upon context of the single destination/origin) migration is often best between/across/etc (when both ends are alluded to as one).</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332234&amp;oldid=prev"/>
				<updated>2024-01-03T22:46:58Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; emmigrate/immigrate to/from (dependent upon context of the single destination/origin) migration is often best between/across/etc (when both ends are alluded to as one).&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 22:46, 3 January 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l16&quot; &gt;Line 16:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 16:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are many things that are very strange mentioned. There is little to no evidence that actual humans live down deep in the sea, and fish and other undersea creatures are unlikely to know what &amp;quot;Santa&amp;quot; is or understand the concept of Christmas, so it is unclear what the exact ecological niche of &amp;quot;benthic Santas&amp;quot; might be. The comic shows the remains of several &amp;quot;Santas&amp;quot;, suggesting that there may be multiple members of this 'Santa' species, in contrast to some assertions in the literature that there is only one (although this proliferation might also help explain the many Santas who appear on street corners, shopping malls, etc.). It is also possible that there is just one extant specimen Santa at any time (perhaps or perhaps not of the specifically subsea variety), whose death invokes the spontaneous appearance of [https://buffy.fandom.com/wiki/Slayer a replacement], or causes (clauses?) another transformation into the 'santa' form, {{w|Thalassoma_bifasciatum#Sex_change|through socially-mediated dimorphism}}, from a population of initially non-santaform individuals.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are many things that are very strange mentioned. There is little to no evidence that actual humans live down deep in the sea, and fish and other undersea creatures are unlikely to know what &amp;quot;Santa&amp;quot; is or understand the concept of Christmas, so it is unclear what the exact ecological niche of &amp;quot;benthic Santas&amp;quot; might be. The comic shows the remains of several &amp;quot;Santas&amp;quot;, suggesting that there may be multiple members of this 'Santa' species, in contrast to some assertions in the literature that there is only one (although this proliferation might also help explain the many Santas who appear on street corners, shopping malls, etc.). It is also possible that there is just one extant specimen Santa at any time (perhaps or perhaps not of the specifically subsea variety), whose death invokes the spontaneous appearance of [https://buffy.fandom.com/wiki/Slayer a replacement], or causes (clauses?) another transformation into the 'santa' form, {{w|Thalassoma_bifasciatum#Sex_change|through socially-mediated dimorphism}}, from a population of initially non-santaform individuals.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text may be referring to {{w|abiogenesis}}, the origin of life. It was thought non-living matter combined into living cells in shallow water through the energy supplied from the sun and lightning. At least, amino acids can be synthesized this way, as proven by the {{w|Miller–Urey experiment}}. A new explanation places the origin of life on hydrothermal vents, as they are rich in chemicals, and rocks there serve as catalysts, with energy coming from earth's heat. Either way, forms of life are known to migrate &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;to &lt;/del&gt;environments to fill new (or vacated) niches, after having been established in another. The current residents of {{w|hydrothermal vents#Black_smokers|'black smokers'}} include creatures (like shrimps, worms and crabs) that are known elsewhere, but could theoretically repopulate the surface if there were ever further mass extinctions across the uppermost layers of the real world, as there have been in prior times.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text may be referring to {{w|abiogenesis}}, the origin of life. It was thought non-living matter combined into living cells in shallow water through the energy supplied from the sun and lightning. At least, amino acids can be synthesized this way, as proven by the {{w|Miller–Urey experiment}}. A new explanation places the origin of life on hydrothermal vents, as they are rich in chemicals, and rocks there serve as catalysts, with energy coming from earth's heat. Either way, forms of life are known to migrate &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;between &lt;/ins&gt;environments to fill new (or vacated) niches, after having been established in another. The current residents of {{w|hydrothermal vents#Black_smokers|'black smokers'}} include creatures (like shrimps, worms and crabs) that are known elsewhere, but could theoretically repopulate the surface if there were ever further mass extinctions across the uppermost layers of the real world, as there have been in prior times.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The 1970s timeframe likely refers to the discovery in 1977 of hydrothermal vent ecosystems near the Galapagos Rift, which formed the basis of this new theory of abiogenesis. By suggesting that the &amp;quot;benthic Santas&amp;quot; were part of this discovery, the comic implies that a key aspect of Christmas folklore might also have its roots in these deep-sea ecosystems.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The 1970s timeframe likely refers to the discovery in 1977 of hydrothermal vent ecosystems near the Galapagos Rift, which formed the basis of this new theory of abiogenesis. By suggesting that the &amp;quot;benthic Santas&amp;quot; were part of this discovery, the comic implies that a key aspect of Christmas folklore might also have its roots in these deep-sea ecosystems.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.70.85.163</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332167&amp;oldid=prev</id>
		<title>172.70.86.67: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332167&amp;oldid=prev"/>
				<updated>2024-01-03T12:51:55Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 12:51, 3 January 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This [[:Category:Christmas|Christmas comic]] was released on {{w|Christmas Day}} 2023, in the morning (at least in [[Randall]]'s timezone in Boston). &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This [[:Category:Christmas|Christmas comic]] was released on {{w|Christmas Day}} 2023, in the morning (at least in [[Randall]]'s timezone in Boston)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. It is the second Christmas comic using [[:Category:Facts|Facts]], an Ocean Fact in this comic. The first of these was released six years earlier, also on Christmas Day in comic [[1933: Santa Facts]]. In the world above the surface of the sea, {{w|Santa Claus}} had just finished his annual trip around the world when this comic was posted&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;It &lt;/del&gt;is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the second Christmas comic using &lt;/del&gt;[[:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Category:Facts&lt;/del&gt;|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Facts&lt;/del&gt;]], &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;an Ocean Fact &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;this &lt;/del&gt;comic. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The first of these was released six years earlier&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;also on Christmas Day in &lt;/del&gt;comic [[&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;1933&lt;/del&gt;: &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Santa Facts&lt;/del&gt;]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The comic claims that there are &amp;quot;{{wiktionary|benthic}} Santas&amp;quot;, meaning Santas that deliver gifts {{w|Benthic zone|to the seafloor}}. The joke here &lt;/ins&gt;is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;that all Santas may drawn to &lt;/ins&gt;[[&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;1620&lt;/ins&gt;: &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Christmas Settings&lt;/ins&gt;|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;go down chimneys&lt;/ins&gt;]] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;by their very existence, and that {{w|hydrothermal vent}}s have {{w|Aggressive mimicry|evolved}} to trick undersea Santa into entering them&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;believing they were real chimneys, and thus getting killed and digested by the vents as seen &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/ins&gt;comic. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;This is not an entirely unknown {{w|Pitcher plant|digestive mechanism}}&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;although the depicted version goes beyond all known biological processes. This &lt;/ins&gt;comic &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/ins&gt;[[&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2559&lt;/ins&gt;: &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;December 25th Launch|one of&lt;/ins&gt;]] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the darker-themed Christmas comics, compared to the usual merry xmas comics&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;In &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;world above &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;surface &lt;/del&gt;of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the sea&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{w|Santa Claus}} had just finished his annual trip around &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;world when this &lt;/del&gt;comic &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;was posted. It makes a joke on that by saying that there are &lt;/del&gt;&amp;quot;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{wiktionary|benthic}} &lt;/del&gt;Santas&amp;quot;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;meaning &lt;/del&gt;there &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;are Santas &lt;/del&gt;that &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;deliver gifts {{w|Benthic zone|to &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;seafloor}}&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The joke here &lt;/del&gt;is that &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;all Santas may tend to &lt;/del&gt;[&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[1620&lt;/del&gt;: &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Christmas Settings|go down chimneys]&lt;/del&gt;], &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and that {{w|hydrothermal vent}}s have {{w|Aggressive mimicry|evolved}} to trick undersea Santa &lt;/del&gt;into &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;entering them, believing they were real chimneys&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and thus getting killed and digested by the vents as seen in the comic. This is not an entirely unknown &lt;/del&gt;{{w|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Pitcher plant&lt;/del&gt;|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;digestive mechanism&lt;/del&gt;}}, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;although the depicted version goes beyond all known biological processes. This comic is [[2559: December 25th Launch|one &lt;/del&gt;of&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;]] the darker&lt;/del&gt;-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;themed Christmas comics, compared to the usual merry xmas comics&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;There are many things that are very strange mentioned. There is little to no evidence that actual humans live down deep in &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sea, and fish and other undersea creatures are unlikely to know what &amp;quot;Santa&amp;quot; is or understand &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;concept &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Christmas&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;so it is unclear what &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;exact ecological niche of &amp;quot;benthic Santas&amp;quot; might be. The &lt;/ins&gt;comic &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;shows the remains of several &lt;/ins&gt;&amp;quot;Santas&amp;quot;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;suggesting that &lt;/ins&gt;there &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;may be multiple members of this 'Santa' species, in contrast to some assertions in the literature &lt;/ins&gt;that &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;there is only one (although this proliferation might also help explain &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;many Santas who appear on street corners, shopping malls, etc.)&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;It &lt;/ins&gt;is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;also possible &lt;/ins&gt;that &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;there is just one extant specimen Santa at any time (perhaps or perhaps not of the specifically subsea variety), whose death invokes the spontaneous appearance of &lt;/ins&gt;[&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;https&lt;/ins&gt;:&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;//buffy.fandom.com/wiki/Slayer a replacement&lt;/ins&gt;], &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;or causes (clauses?) another transformation &lt;/ins&gt;into &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the 'santa' form&lt;/ins&gt;, {{w|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Thalassoma_bifasciatum#Sex_change&lt;/ins&gt;|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;through socially-mediated dimorphism&lt;/ins&gt;}}, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;from a population &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;initially non&lt;/ins&gt;-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;santaform individuals&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;There are many things that are very strange mentioned. There is little to no evidence that actual humans live down deep in the sea, and fish and other undersea creatures are unlikely to know what &amp;quot;Santa&amp;quot; is or understand the concept of Christmas, so it is unclear what the exact ecological niche of &amp;quot;benthic Santas&amp;quot; might be. The comic shows the remains of several &amp;quot;Santas&amp;quot;, suggesting that there are multiple members of this 'Santa' species, in contrast to some assertions in the literature that there is only one (although this proliferation might also help explain the many Santas who appear on street corners, shopping malls, etc.). It is also possible that there is only just one extant specimen Santa (perhaps or perhaps not of the specifically subsea variety), whose death invokes the spontaneous appearance of [https://buffy.fandom.com/wiki/Slayer a replacement], or cause another transformation into the 'santa' form, {{w|Thalassoma_bifasciatum#Sex_change|through socially-mediated dimorphism}}, from a population of initially non-santaform individuals.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text may &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;be &lt;/ins&gt;referring to {{w|abiogenesis}}, the origin of life. It was thought non-living matter combined into living cells in shallow water through the energy supplied from the sun and lightning. At least, amino acids can be synthesized this way, as proven by the {{w|Miller–Urey experiment}}. A new explanation places the origin of life on hydrothermal vents, as &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;they are &lt;/ins&gt;rich in chemicals&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/ins&gt;and rocks there serve as catalysts, with energy coming from earth's heat. Either way, forms of life are known to migrate &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;to &lt;/ins&gt;environments to fill new (or vacated) niches, after having been established in another. The current residents of {{w|hydrothermal vents#Black_smokers|'black smokers'}} include creatures (like shrimps, worms and crabs) that are known elsewhere, but could theoretically repopulate the surface if there were ever further mass extinctions across the uppermost layers of the real world, as there have been in prior times.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text may referring to {{w|abiogenesis}}, the origin of life. It was thought non-living matter combined into living cells in shallow water through the energy supplied from the sun and lightning. At least, amino acids can be synthesized this way, as proven by the {{w|Miller–Urey experiment}}. A new explanation places the origin of life on hydrothermal vents, as &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;it's &lt;/del&gt;rich in chemicals and rocks there serve as catalysts, with energy coming from earth's heat. Either way, forms of life are known to migrate environments to fill new (or vacated) niches, after having been established in another. The current residents of {{w|hydrothermal vents#Black_smokers|'black smokers'}} include creatures (like shrimps, worms and crabs) that are known elsewhere, but could theoretically repopulate the surface if there were ever further mass extinctions across the uppermost layers of the real world, as there have been in prior times.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The 1970s timeframe likely refers to the discovery in 1977 of hydrothermal vent ecosystems near the Galapagos Rift, which formed the basis of this new theory of abiogenesis. By suggesting that the &amp;quot;benthic Santas&amp;quot; were part of this discovery, the comic implies that a key aspect of Christmas folklore might also have its roots in these deep-sea ecosystems.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The 1970s timeframe likely refers to the discovery in 1977 of hydrothermal vent ecosystems near the Galapagos Rift, which formed the basis of this new theory of abiogenesis. By suggesting that the &amp;quot;benthic Santas&amp;quot; were part of this discovery, the comic implies that a key aspect of Christmas folklore might also have its roots in these deep-sea ecosystems.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.70.86.67</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2872:_Hydrothermal_Vents&amp;diff=332165&amp;oldid=prev</id>
		<title>172.69.194.226: /* Explanation */</title>
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				<updated>2024-01-03T12:46:55Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 12:46, 3 January 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l16&quot; &gt;Line 16:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 16:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the world above the surface of the sea, {{w|Santa Claus}} had just finished his annual trip around the world when this comic was posted. It makes a joke on that by saying that there are &amp;quot;{{wiktionary|benthic}} Santas&amp;quot;, meaning there are Santas that deliver gifts {{w|Benthic zone|to the seafloor}}. The joke here is that all Santas may tend to [[1620: Christmas Settings|go down chimneys]], and that {{w|hydrothermal vent}}s have {{w|Aggressive mimicry|evolved}} to trick undersea Santa into entering them, believing they were real chimneys, and thus getting killed and digested by the vents as seen in the comic. This is not an entirely unknown {{w|Pitcher plant|digestive mechanism}}, although the depicted version goes beyond all known biological processes. This comic is [[2559: December 25th Launch|one of]] the darker-themed Christmas comics, compared to the usual merry xmas comics.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In the world above the surface of the sea, {{w|Santa Claus}} had just finished his annual trip around the world when this comic was posted. It makes a joke on that by saying that there are &amp;quot;{{wiktionary|benthic}} Santas&amp;quot;, meaning there are Santas that deliver gifts {{w|Benthic zone|to the seafloor}}. The joke here is that all Santas may tend to [[1620: Christmas Settings|go down chimneys]], and that {{w|hydrothermal vent}}s have {{w|Aggressive mimicry|evolved}} to trick undersea Santa into entering them, believing they were real chimneys, and thus getting killed and digested by the vents as seen in the comic. This is not an entirely unknown {{w|Pitcher plant|digestive mechanism}}, although the depicted version goes beyond all known biological processes. This comic is [[2559: December 25th Launch|one of]] the darker-themed Christmas comics, compared to the usual merry xmas comics.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are many things that are very strange mentioned.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{Citation needed}} &lt;/del&gt;There is little to no evidence that actual humans live down deep in the sea, and fish and other undersea creatures are unlikely to know what &amp;quot;Santa&amp;quot; is or understand the concept of Christmas, so it is unclear what the exact ecological niche of &amp;quot;benthic Santas&amp;quot; might be. The comic shows the remains of several &amp;quot;Santas&amp;quot;, suggesting that there are multiple members of this 'Santa' species, in contrast to some assertions in the literature that there is only one (although this proliferation might also help explain the many Santas who appear on street corners, shopping malls, etc.). It is also possible that there is only just one extant specimen Santa (perhaps or perhaps not of the specifically subsea variety), whose death invokes the spontaneous appearance of [https://buffy.fandom.com/wiki/Slayer a replacement], or cause another transformation into the 'santa' form, {{w|Thalassoma_bifasciatum#Sex_change|through socially-mediated dimorphism}}, from a population of initially non-santaform individuals.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are many things that are very strange mentioned. There is little to no evidence that actual humans live down deep in the sea, and fish and other undersea creatures are unlikely to know what &amp;quot;Santa&amp;quot; is or understand the concept of Christmas, so it is unclear what the exact ecological niche of &amp;quot;benthic Santas&amp;quot; might be. The comic shows the remains of several &amp;quot;Santas&amp;quot;, suggesting that there are multiple members of this 'Santa' species, in contrast to some assertions in the literature that there is only one (although this proliferation might also help explain the many Santas who appear on street corners, shopping malls, etc.). It is also possible that there is only just one extant specimen Santa (perhaps or perhaps not of the specifically subsea variety), whose death invokes the spontaneous appearance of [https://buffy.fandom.com/wiki/Slayer a replacement], or cause another transformation into the 'santa' form, {{w|Thalassoma_bifasciatum#Sex_change|through socially-mediated dimorphism}}, from a population of initially non-santaform individuals.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text may referring to {{w|abiogenesis}}, the origin of life. It was thought non-living matter combined into living cells in shallow water through the energy supplied from the sun and lightning. At least, amino acids can be synthesized this way, as proven by the {{w|Miller–Urey experiment}}. A new explanation places the origin of life on hydrothermal vents, as it's rich in chemicals and rocks there serve as catalysts, with energy coming from earth's heat. Either way, forms of life are known to migrate environments to fill new (or vacated) niches, after having been established in another. The current residents of {{w|hydrothermal vents#Black_smokers|'black smokers'}} include creatures (like shrimps, worms and crabs) that are known elsewhere, but could theoretically repopulate the surface if there were ever further mass extinctions across the uppermost layers of the real world, as there have been in prior times.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text may referring to {{w|abiogenesis}}, the origin of life. It was thought non-living matter combined into living cells in shallow water through the energy supplied from the sun and lightning. At least, amino acids can be synthesized this way, as proven by the {{w|Miller–Urey experiment}}. A new explanation places the origin of life on hydrothermal vents, as it's rich in chemicals and rocks there serve as catalysts, with energy coming from earth's heat. Either way, forms of life are known to migrate environments to fill new (or vacated) niches, after having been established in another. The current residents of {{w|hydrothermal vents#Black_smokers|'black smokers'}} include creatures (like shrimps, worms and crabs) that are known elsewhere, but could theoretically repopulate the surface if there were ever further mass extinctions across the uppermost layers of the real world, as there have been in prior times.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.69.194.226</name></author>	</entry>

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