Good vs bad cholesterol. Margarine vs butter. Red meat vs. vegan. The causal links between fats and health have been a hotly debated topic for scientists, physicians and the public.
Evolution
Mar 16, 2017
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290
In the classical view of evolution, species experience spontaneous genetic mutations that produce various novel traits—some helpful, some detrimental. Nature then selects for those most beneficial, passing them along to ...
Evolution
Dec 12, 2013
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How fast is evolution? In adaptive evolution, natural selection causes genetic changes in traits that favor the survival and reproduction of individual organisms.
Evolution
May 27, 2022
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36
(PhysOrg.com) -- Does it matter if nature solves the same problem multiple ways? A NSF-supported study of lizard populations in White Sands, New Mexico has helped researcher Erica Rosenblum of the University of Idaho begin ...
Plants & Animals
Dec 30, 2009
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The human genome is littered with "selfish genetic elements," which do not seem to benefit their hosts, but instead seek only to propagate themselves.
Evolution
Jul 6, 2022
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94
Human evolution can seem like a phenomenon of the distant past which applies only to our ancestors living millions of years ago. But human evolution is ongoing. To evolve simply means that mutations – the accidental changes ...
Evolution
Sep 12, 2017
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52
Scientists have found evidence of natural selection in a deep-sea fish species adapting to the depth of ocean that it inhabits.
Plants & Animals
Mar 5, 2018
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61
Red deer on a Scottish island are providing scientists with some of the first evidence that wild animals are evolving to give birth earlier in the year as the climate warms.
Plants & Animals
Nov 5, 2019
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238
The passenger pigeon is famous for the enormity of its historical population in North America (estimated at 3 to 5 billion) and for its rapid extinction in the face of mass slaughter by humans. Yet it remains a mystery why ...
Plants & Animals
Nov 16, 2017
2
124
(Phys.org) —According to Benjamin Franklin, "nothing can be said to be certain, except death and taxes." But what if Franklin had it wrong—at least about death? University of Georgia ecologist Richard P. Shefferson explored ...
Ecology
Sep 5, 2013
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