Discoverer of Lucy skeleton hopes to find what made us human

This month marks the 40th anniversary of the discovery of Lucy, the partial skeleton of an ape-like creature that walked upright 3.5 million years ago. The 1974 find would forever change humanity's understanding of where our species came from and how Homo sapiens evolved.



via L.A. Times - Science http://ift.tt/13tSiV3