News tagged with natural selection

Can a plant be altruistic?

The concept of altruism has long been debated in philosophical circles, and more recently, evolutionary biologists have joined the debate. From the perspective of natural selection, altruism may have evolved because any ...

Nov 11, 2009
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Forgotten evolutionist lives in Darwin's shadow

(AP) -- As he trudges past chest-high ferns and butterflies the size of saucers, George Beccaloni scours a jungle hilltop overlooking the South China Sea for signs of a long-forgotten Victorian-era scientist.

Jun 28, 2009
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Large testicles are linked to infidelity

There is a clear correlation between the size of the testicles of male primates and the proneness to infidelity of females. Learn more about sex, sperm and infidelity at the anniversary exhibition Sexus.

Jan 29, 2014
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Skin color: Handy tool for teaching evolution

Variations in skin color provide one of the best examples of evolution by natural selection acting on the human body and should be used to teach evolution in schools, according to a Penn State anthropologist.

Feb 20, 2011
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Natural selection is not the only process that drives evolution

Why have some of our genes evolved rapidly? It is widely believed that Darwinian natural selection is responsible, but research led by a group at Uppsala University, suggests that a separate neutral (nonadaptive) process ...

Jan 27, 2009
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