User contributions
- 05:37, 28 September 2021 (diff | hist) . . (+16) . . 2521: Toothpaste (→Explanation: Another rearrangement to add better context.)
- 08:57, 16 September 2021 (diff | hist) . . (-40) . . 2516: Hubble Tension (→Explanation: Rewritten - hopefully correct(er).)