Image: RUSSIA-ARCHEOLOGY-SCIENCE-MAMMOTH
Semyon Grigoryev / AFP - Getty Images

NBCNews.com   |  May 30, 2013

Did researchers get blood from a mammoth?

Russian scientists say they have taken blood samples from a woolly mammoth carcass in Siberia, but other experts are skeptical. NBCNews.com's Dara Brown reports.

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