HumansAncient lead exposure may have influenced how our brains evolved Lead poisoning isn't just a modern phenomenon: fossil teeth show signs that it affected ancient hominids, and Homo sapiens may have coped better than our close relatives News
LifeWe are unlocking how frozen microbes stay alive for 100,000 years Microbes found buried deep in Siberian permafrost may be able to survive over extremely long timescales using protein repair genes News