LifeFrozen squirrel scat preserves ancient DNA from hundreds of species A complex ecosystem of woolly mammoths, bison, horses and big cats has been elucidated by studying the faeces of small rodents that probably ate the bigger animals News
LifeChimpanzee group's violent rupture hints at evolutionary roots of war Researchers who observed a murderous conflict unfolding in a once-unified group of wild chimpanzees say there are parallels with civil wars in human societies News