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LiveScience
LiveScience
Charles Q. Choi

Scientists discover 2 new 'ghost' lineages that contributed DNA to modern humans

DNA double helix on a light blue background with stylized human figures and skulls that read Homo sapiens, Neanderthals, Denisovans, Superarchaics, and Unknown hominins.

Traces of two "ghost lineages" of extinct human populations lie hidden within our genome, a new study reveals.

One of these ghost lineages left its DNA scattered in all present-day people. The other, a "super-archaic" lineage, dates back nearly 2 million years, researchers reported Thursday (July 30) in the journal Science.

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