US scientists say they can track early human movements by analysing molecules in ancient fecal matter.
[url=http://www.bbc.co.uk/news/science-environment-20492507]More...[/url]
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US scientists say they can track early human movements by analysing molecules in ancient fecal matter.
[url=http://www.bbc.co.uk/news/science-environment-20492507]More...[/url]