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Live Chat: Who Was the First Human?

22 June 2011 10:08 am
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See below for the chat box. Join us each Thursday at 3 p.m. EST for a live conversation with leading scientists and expert reporters.
Today's Topic

In 1959, scientists excavating at Olduvai Gorge in Tanzania found fossils that they believed belonged to the earliest member of the human family—a creature known as Homo habilis, which lived 2.3 million to 2.4 million years ago. In the past decade, however, researchers have analyzed the bones of H. habilis with new methods, finding that in many ways this species was still eating and developing more like an ape than a modern human. So just who were the first humans? What do recent findings tell us about how our species evolved? And what new discoveries are changing our thinking about where we came from?

Join us for a live chat at 3 p.m. EDT on Thursday, 23 June, on this page about the origins of the first human. You can leave your questions in the comment box below before the chat starts.

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Today's Guests


William Kimbel


Peter Ungar



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