News tagged with natural selection

Elusive prey

Escape responses are some of the most studied behaviors by neurobiologists who want to understand how the brain processes sensory information. The ability to evade predators plays a vital role in the process of natural selection. ...

Jul 28, 2011
4.3 / 5 (3) 2 | with audio podcast

'Nature' Paper Refigures the Evolution of Altruism

(PhysOrg.com) -- In 1871, Charles Darwin puzzled over the evolution of altruism. "He who was ready to sacrifice his life, as many a savage has been," he wrote in The Descent of Man, "rather than betray his co ...

Feb 26, 2010
3.8 / 5 (12) 20 | with audio podcast