1. Ngogo Chimpanzee 'Civil War' Claims Dozens, Shatters Rare Peace in Uganda
A brutal, years-long conflict within the world's largest chimpanzee community has left at least 24 chimps dead, offering a stark new window into the evolutionary roots of human warfare. Scientists observing the Ngogo chimpanzees in Uganda's Kibale National Park documented a deadly 'group fissure' where former allies tu...