Researchers analysing the DNA in Neolithic human remains claim to have uncovered the first direct evidence that modern humans have evolved changes in response to natural selection.

Just 7000 years ago, Europeans were unable to digest milk, according to a new analysis of fossilised bone samples - nowadays more than 90% of this population can.

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by Lawrence Bartlett ( Read more... )

By MALCOLM RITTER, AP Science Writer ( Read more... )

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By Krittivas Mukherjee ( Read more... )