In 1991, archaeologists tested a lump of ancient chewing gum from Scandinavia, it unexpectedly preserved the DNA of a person who lived 5,700 years ago

Archaeologists are uncovering ancient secrets from chewed birch pitch. These small lumps, found across Scandinavia and northern Europe, are providing remarkable biological data. Scientists have extracted complete human genomes, revealing ancestry, oral microbes, and diet. This discovery shows that even tiny everyday objects can preserve detailed records of individual lives from thousands of years ago.

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