But for years, they’ve tried—and failed—to do the same with jewelry, tools ... They spent years testing various methods to extract human DNA—left behind in skin cells or sweat—from ...

The tooth, worn as a necklace bead, probably absorbed DNA from ... led to the release of relatively large amounts of human DNA with no damage to the specimens. The team then tested the procedure ...

Maybe it was part of a bigger necklace that contained more of ... and place her on the human family tree. "The DNA that we recovered is closest to a population that was also present during ...