LifeAncient mass extinction may have driven millipedes to eat meat The mass extinction at the end of the Permian Period wiped out many plants. Fossils of millipedes from that era have been found alongside carcasses of mammal ancestors, suggesting that mass plant die-off may have driven them to be carnivorous 51¶¯Âþ
LifeAncient bird with a movable beak rewrites the story of avian evolution A skull bone from 67 million years ago reveals that ancestors of modern birds had jointed beaks, not immobile ones as biologists have long thought 51¶¯Âþ