All this from a wad of gum? 
An ancient piece of chewing gum offers surprising insights into the human genome.
Researchers recently uncovered a piece of chewed-on birch pitch in an archaeological dig in Denmark. Conducting a genetic analysis of the material left in the birch pitch offered a plethora of insights into the individual who last chewed it. The gum-chewer has been dubbed Lola. She lived 5,700 years ago; and she had dark skin, dark hair, and blue eyes.
Read on: [bigthink.com]
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