December 5, 2023



How nit glue could help answer head-scratchers about our ancestors

The Guardian

Tue 28 Dec 2021 16.00 EST

An unusual source of ancient human DNA could help scientists unpick details of our ancestors’ lives and answer longstanding questions. The source? Nit glue.

Scientists studying mummified remains from South America that date back 1,500-2,000 years say they have recovered ancient human DNA from the sticky cement produced by head lice to anchor their eggs to hair.

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