![The genetic history of the Ice Age in Europe](https://ytimg.googleusercontent.com/vi/ivlFZqe5P2Q/hqdefault.jpg)
The genetic history of the Ice Age in Europe
David Reich describes the three biggest discoveries about European prehistory revealed by analyzes of the genomes of 51 Ice Age humans.
Read the full story at http://hms.harvard.edu/news/history-ice
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