Archive: 07/28/2011

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

World population to surpass 7 billion in 2011

Global population is expected to hit 7 billion later this year, up from 6 billion in 1999. Between now and 2050, an estimated 2.3 billion more people will be added—nearly as many as inhabited the planet as recently as ...

Jul 28, 2011 3.5 / 5 (21) 144 | with audio podcast