User contributions
- 14:12, 2 November 2018 (diff | hist) . . (+2) . . 2067: Challengers (→Scholten)
- 02:42, 19 October 2017 (diff | hist) . . (+412) . . Talk:1904: Research Risks
- 16:56, 9 August 2017 (diff | hist) . . (+141) . . Talk:1874: Geologic Faults
- 15:37, 23 December 2016 (diff | hist) . . (+88) . . 1776: Reindeer (→Explanation)
- 15:29, 19 December 2016 (diff | hist) . . (+449) . . 1774: Adjective Foods (→Transcript)