LifeEarly relatives of primates lived in the Arctic 52 million years ago Analysis of fossilised teeth from Ellesmere Island, Canada, reveals that extinct relatives of monkeys and apes reached the Arctic during a period when the climate was hotter 51¶¯Âþ
LifeDiversity helped mammals survive asteroid that killed the dinosaurs The conventional view of the age of the dinosaurs is that mammals lived in the shadows until the day the asteroid hit, but a new analysis shows they were already evolutionarily primed to take over the world 51¶¯Âþ