Ancient ape gives clue to family origins
NATURE News 11/18 から
Fossil from 13 million years ago sheds light on human split from apes.
Fossil hunters in Spain have unearthed what seems to be the most recent common ancestor of gorillas, chimpanzees, orang utans and humans. The ape lived almost 13 million years ago, about the time that our different lineages are thought to have diverged.