Human faces are famously flatter than those of other primates. Neanderthals, by contrast, had prominent, projecting midfaces ...

Compared with a chimpanzee hand, at left, the human hand, at right, has shorter fingers and palms and a longer, stronger more flexible thumb. That not only allows fine manipulation of tools and ...

"However, if baby Gua grew up to be more human than chimp, then environment wins ... overpower her 'brother,' as she grew in ...

It follows other surprising findings of human like behavior in apes and monkeys, like the previous findings that uncovered the building blocks of human language in chimpanzee calls; strong ...