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

Language driven by culture, not biology

(PhysOrg.com) -- Language in humans has evolved culturally rather than genetically, according to a study by UCL (University College London) and US researchers. By modelling the ways in which genes for language might have ...

Jan 20, 2009
4.6 / 5 (7) 1

'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

Evolution can select for evolvability, biologists find

Evolution does not operate with a goal in mind; it does not have foresight. But organisms that have a greater capacity to evolve may fare better in rapidly changing environments. This raises the question: does evolution favor ...

Nov 14, 2013
4.2 / 5 (5) 1