By 
Louise Leakey
 | 
TED Stage Talk

A dig for humanity's origins

Louise Leakey asks, "Who are we?" The question takes her to the Rift Valley in Eastern Africa, where she digs for the evolutionary origins of humankind -- and suggests a stunning new vision of our competing ancestors.

Related tags:

africa
ancient world
anthropology
evolution
humanity
paleontology
science
primates
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