Limits of Curiosity

Neanderthals were close relatives of present-day humans, but despite their control of fire and ability to make and use tools, they died out while people have spread. The genomes of Neanderthals have shown, writes Svante Pääbo in the New York Times, that they were genetically very similar to people. By comparing human and Neanderthal genomes, Pääbo and his colleagues have found that there are some 31,389 genetic mutations that modern people have.

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