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Early Hominid Fossils from Africa

A new species of Australopithecus, the ancestor of Homo, pushes back the origins of bipedalism to some four million years ago

By Alan Walker and Meave Leakey

Once we were not Alone

Today we take for granted that Homo Sapiens is the only Hominid on Earth. Yet for at least four million years many Hominid species shared the planet. what makes us different?

By Ian Tattersall

Who were the Neandertals?

Controversial evidence indicates that these hominids interbred with anatomically modern humans and sometimes behaved in surprisingly modern ways

By Kate Wong

The Multiregional Evolution of Humans

Both fossil and genetic evidence argues that ancient ancestors of various human groups lived where they are found today

By Alan G. Thorne and Milford H. Wolpoff

Food for Thought

Dietary Change Was a driving force in human evolution

By William R. Leonard

Skin Deep

Throughout the world, human skin color has evolved to be dark enough to prevent sunlight from destroying the nutrient folate but light enough to foster the production of vitamin D

By George Chaplin and Nina G. Jablonski

The Evolution of Human Birth

The difficulties of childbirth have probably challenged humans and their ancestors for millions of years-- which means that the modern custom of seeking assistance during delivery may have similarly ancient roots...

By Karen R. Rosenberg and Wenda R. Trevathan

Once were Cannibals

Clear evidence of cannibalism in the human fossil record has been rare, but it is now becoming apparent that the practice is deeply rooted in our history

By Tim D. White

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