News tagged with natural selection

Cheating favors extinction

Cooperative behaviour is widely observed in nature, but there remains the possibility that so-called 'cheaters' can exploit the system, taking without giving, with uncertain consequences for the social unit ...

Apr 30, 2013
4.1 / 5 (16) 70 | with audio podcast

Getting to the root of enamel evolution

Along with our big brains and upright posture, thick tooth enamel is one of the features that distinguishes our genus, Homo, from our primate relatives and forebears. A new study, published May 5 in the Jo ...

May 05, 2014
4.7 / 5 (3) 1

Living on islands makes animals tamer

(Phys.org) —Most of us have seen pictures and probably YouTube videos of "tame" animals on the Galapagos Islands, the biological paradise that was Charles Darwin's major source of inspiration as he obse ...

Jan 10, 2014
4.8 / 5 (6) 1 | with audio podcast

Robots shed more light on evolution (w/ Video)

(PhysOrg.com) -- Swiss scientists have proposed that if robots could evolve through natural selection the result would be robots that would help each other, cooperate, and be capable of hunting. Their experiments ...

Feb 01, 2010 report
4.3 / 5 (15) 1 | with audio podcast

Is a new form of life really so alien?

The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, ...

May 08, 2012
3.6 / 5 (12) 34 | with audio podcast