It's what we don't know about our ancestors that's the most thrilling. Nothing in the fossil record, no matter how many dozen specialists study it, explains the trait that makes us human.
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It can be exhilarating to contemplate the digital and evolutionary future. But I don't know if I could bear a world of "vookcases," "vook reports," and God forbid, a New York Review of Vooks.
Check out these recently released images of Ardi, the earliest discovered "human ancestor."
(All captions and images courtesy of Science Magazine/...
Guest post by Jamie Shreeve, National Geographic Magazine Science Editor
The big news in the journal Science tomorrow is the discovery of the oldest ...
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