News tagged with natural selection

Runner's high motivated the evolution of exercise

In the last century something unexpected happened: humans became sedentary. We traded in our active lifestyles for a more immobile existence. But these were not the conditions under which we evolved. David Raichlen from the ...

Mar 22, 2012 not rated yet 0

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 4.8 / 5 (5) 0