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human genetics

One of the chewing gums containing the oldest Scandinavian DNA from Huseby Klev with two plastelina casts for each side.

DNA of First Settlers of Scandinavia Gleaned from Ancient Chewing Gums

The first humans who settled in Scandinavia more than 10,000 years ago left their DNA behind in ancient chewing gums, which are masticated lumps made from birch bark pitch. This is shown in a new...