User contributions
- 06:27, 18 January 2022 (diff | hist) . . (+19) . . 2568: Spinthariscope (→Explanation: That alpha decay is never followed by another alpha decay is a fact that definitely needs a citation.)
- 14:56, 29 December 2021 (diff | hist) . . (+2) . . 2560: Confounding Variables (→Explanation)