User contributions
- 10:36, 31 July 2020 (diff | hist) . . (+406) . . 2340: Cosmologist Genres (Add transcript)
- 17:07, 8 November 2014 (diff | hist) . . (+169) . . 806: Tech Support (→Explanation)
- 10:15, 19 October 2014 (diff | hist) . . (+151) . . 1434: Where Do Birds Go (→Explanation)