LifeUltimate family tree: Tracing the oldest ancestor of all life Somewhere on Earth, 4 billion years ago, matter came to life for the first time. Clues to the identity of the original life form lurk in every one of us Features
LifeKey moments in human evolution happened far from our Africa homeApes originated in Africa and our more recent evolution happened there. But an interlude in another land made us who we are, says anthropologist David BegunFeatures