News tagged with natural selection

'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

Cooperative behavior is for the birds

(PhysOrg.com) -- Cooperative behaviors are rare in the animal kingdom and remain a great enigma for evolutionary biologists. A new study by Frederique Dubois, a professor at the University of Montreal Department ...

Feb 25, 2010
not rated yet 1

Scientists reveal driving force behind evolution

Scientists at the University of Liverpool have provided the first experimental evidence that shows that evolution is driven most powerfully by interactions between species, rather than adaptation to the environment.

Feb 25, 2010
3.9 / 5 (20) 21 | 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

The changing facebook of genetic

(PhysOrg.com) -- Social factors such as what we eat and where we live influence how natural selection acts on human genes, according to a research that is bringing the worlds of genetics and human sciences closer together.

Jan 19, 2010
4.7 / 5 (3) 0 | with audio podcast

Evolution may take giant leaps

(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in ...

Dec 11, 2009 weblog
4.5 / 5 (33) 40

Article Traces History of Darwinian Medicine

(PhysOrg.com) -- Despite being a founding principle of modern biology for 150 years, evolutionary theory has played a limited role in the field of medicine. Only in the last 20 years has Darwinian medicine emerged as a discipline ...

Dec 10, 2009
not rated yet 0

Charles Darwin: More than the origin

Although Charles Darwin is most well-known for his book On the Origin of Species, in which he described the process of natural selection, he greatly contributed to many specific fields within biology. As ...

Dec 09, 2009
5 / 5 (1) 0