A Northwestern University professor is studying one of the oldest - TopicsExpress



          

A Northwestern University professor is studying one of the oldest and most complete human skeletons in North America. And she had to dive into the depths of a cave in Mexico to get to it. Click play to listen and hear more. (About the image: Diver Susan Bird working at the bottom of Hoyo Negro, a large dome-shaped underwater cave on Mexico’s Yucatán Peninsula. She carefully brushes the human skull found at the site. This project was led by the Mexican government’s National Institute of Anthropology and History and supported by the National Geographic Society. Photo by Paul Nicklen/National Geographic)
Posted on: Fri, 16 May 2014 22:21:43 +0000

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