The human population of Santiago Island is evolving rapidly
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Yes, we are still evolving. And one of the strongest examples of recent evolution in people has been found on the Cape Verde islands in the Atlantic, where a gene variant conferring a form of malaria resistance has become more common.
Portuguese voyagers settled the uninhabited islands in 1462, bringing slaves from Africa with them. Most of the archipelago’s half a million inhabitants are descended from these peoples.
Most people of West African origin have a variant in a gene called DARC that protects against …