16 January 2023

• 02:17 02:17, 16 January 2023 diff hist +63‎ Rossif Sutherland ‎ →‎Television

20 November 2021

• 19:43 19:43, 20 November 2021 diff hist +292‎ Mental calculation ‎ →‎Approximating square roots

12 October 2019

• 03:33 03:33, 12 October 2019 diff hist +90‎ Glass battery ‎ Added some text to emphasize a particularly important criticism.

11 August 2019

• 16:32 16:32, 11 August 2019 diff hist −436‎ Hedonic treadmill ‎ Removing (arguably product placement/marketing) text for a substance that failed to achieve phase II clinical significance Tag: references removed

29 June 2009

• 21:20 21:20, 29 June 2009 diff hist +463‎ Talk:Lithium ‎ →‎Alarmist "Peak Lithium" paragraph removed: new section
• 21:09 21:09, 29 June 2009 diff hist −682‎ Lithium ‎ →‎Production and world supply

7 July 2006

• 17:54 17:54, 7 July 2006 diff hist +282‎ Talk:Human overpopulation ‎ →‎"About 21% of the earth's land is arable. In the past, 160 acres (650,000 m²) of farm land crops fed one person"