Crime scene investigators may soon have a new tool—one that could let them determine a suspect or victim's age from a bloodstain. Researchers in the Netherlands have developed a test that quantifies the amount of a specific molecule in blood to approximate a person's age to within nine years, plus or minus. That's obviously not specific enough to pick a perpetrator out of a lineup. But Victor Weedn say it's close enough to help identify missing persons and victims in large-scale disasters. (source: technologyreview.com)
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