LifeDinosaur mass-extinction let mammals come out in the day The extinction of the dinosaurs allowed our distant mammalian ancestors to start foraging during the day for the first time – and shaped our early evolution ¿ìè¶ÌÊÓÆµ
HealthBuyer beware: Should genomic firms resell your data?Think carefully before you get your DNA tested: you’re selling as well as buyingLeader