'Ghost' DNA found in some West African people

A team of researchers at the University of California, has found evidence of "ghost" DNA in some modern West African people. In their paper published in the journal Science Advances, the group describes their study of genetic ...

Human language most likely evolved gradually

One of the most controversial hypotheses for the origin of the human language faculty is the evolutionary conjecture that language arose instantaneously in humans through a single gene mutation. `

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