News tagged with natural selection

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 ...

dateDec 11, 2009 in Evolution weblog
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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 ...

dateDec 10, 2009 in Evolution
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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 ...

dateDec 09, 2009 in Evolution
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Can a plant be altruistic?

The concept of altruism has long been debated in philosophical circles, and more recently, evolutionary biologists have joined the debate. From the perspective of natural selection, altruism may have evolved because any ...

dateNov 11, 2009 in Plants & Animals
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High mortality rates may explain small body size

A new study suggests that high mortality rates in small-bodied people, commonly known as pygmies, may be part of the reason for their small stature. The study, by Jay Stock and Andrea Migliano, both of the University of Cambridge, ...

dateOct 05, 2009 in Evolution
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