With the latest research changing what we thought we knew about Vikings and Neanderthals, Inverse’s Sarah Wells and Sarah Sloat explain how humanity’s family tree is being rewritten by new discoveries.

DNA VIKING STUDY: https://www.inverse.com/science/viking-dna-study

Y CHROMOSOME STUDY: https://www.inverse.com/science/neanderthal-denisovan-y-chromosome-study

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