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October 18, 2012 03:05 am

How Hair Can be Used To Track Where You've Been


First time accepted submitter kandelar writes "PBS recently ran a story about how some scientists are using human hair to trace where a person has been. The combinations of different isotopes in water make for somewhat unique signatures from place to place. These isotopes get placed in growing hair strands which can then be traced back to identify where a person has been."

Read more of this story at Slashdot.


Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/JL43gu_tvbA/how-hair-can-be-used-to-track-where-youve-been

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