The famous early human is still providing lessons to anthropologists about prehistoric Earth and its inhabitants ...
Fifty years ago, the discovery of a human ancestor "Lucy" generated worldwide attention. NPR's Scott Detrow speaks with paleoanthropologist Zeray Alemseged about the legacy of the discovery.
(SOUNDBITE OF SONG, "LUCY IN THE SKY WITH DIAMONDS") THE BEATLES: (Singing) Lucy in the sky with diamonds. DETROW: ...Lucy, named for The Beatles' song that was playing during the expedition.