User contributions
- 04:23, 30 June 2021 (diff | hist) . . (+65) . . 2481: 1991 and 2021 (→Explanation)
- 23:16, 25 June 2021 (diff | hist) . . (+129) . . Talk:2481: 1991 and 2021
- 01:01, 22 May 2021 (diff | hist) . . (+165) . . Talk:2466: In Your Classroom
- 01:00, 22 May 2021 (diff | hist) . . (+15) . . 2466: In Your Classroom
- 14:36, 18 May 2021 (diff | hist) . . (+180) . . Talk:2464: Muller's Ratchet