Asteroid fragments upend theory of how life on Earth bloomed

Working scientist profiles This article is part of an occasional series in which Nature profiles scientists with unusual career histories or outside interests. André Hesselbäck has spent the past 22

Activists protest during at the COP29 climate meeting in Baku.Credit: Dominika Zarzycka/SOPA via ZUMA/Alamy A last-minute deal that rescued the COP29 climate talks in Baku, Azerbaijan, is a “fragile consensus”,

Victoria Doronina is a member of the Wikimedia Foundation Board of Trustees.Credit: Dr. Vadzim Chalau Victoria Doronina was a biology research associate in the mid-2000s when she started to become