African and Asian Rainforest hunter-gatherers share short stature, and now an international team of researchers has shown that this is an example of convergent adaptation that may also be linked to changes in cardiac development pathways. A Batwa woman in Bwindi Impenetrable Forest National Park, Uganda [Credit: George Perry/Penn State]"We know that rainforest populations become small," said Christina M. Bergey, postdoctoral fellow...

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