© X PRIZE Foundation, Inc. 2011
Zeray discusses humans' place in the world and our responsibility.
Zeray talks about the changing diets of our human ancestors.
Zeray talks about the harsh conditions working in Dikika, Ethiopia.
Zeray discusses humans' innate curiosity.
ChrissyPitrowski Invertebrate Zoology and Geology Collection Manager talks about her work at the Academy.