Author: Francis Thackeray, Honorary Research Associate, Evolutionary Studies Institute, University of the Witwatersrand

Artist's impression of a supernova. By ESO/M. Kornmesser/Wikimedia Commons, CC BY What’s the link between an exploding star, climate change and human evolution? Francis Thackeray, who has researched ancient environments and fossils for many years, sets out his ideas about what happened in the distant past – with enormous consequences. Global cooling that happened millions […]