New research from Australia and Finland could help explain one of nature's strangest quirks—why some animals forego mating to help other animals procreate.
Evolution
Aug 1, 2019
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117
A new study on how the West Nile virus evolves in four species of mosquitos shows that viruses accumulate mutations in their insect carriers that reduce how well they reproduce when passed on to a bird host. Viruses carried ...
Cell & Microbiology
Mar 31, 2016
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89
Bold and outgoing or shy and retiring –– while many people can shift from one to the other as circumstances warrant, in general they lean toward one disposition or the other. And that inclination changes little over the ...
Social Sciences
Oct 21, 2013
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0
In the gonads of animals, genome parasites such as transposons pose a serious threat to evolutionary fitness. With their ability to bounce around in the genome, they often cause dangerous mutations. To protect genomic integrity, ...
Biotechnology
Jun 4, 2013
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0
Sheep keep having twins even in old age, say scientists.
Ecology
Mar 4, 2013
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0
Having attractive friends will make you more popular on Facebook, especially if you are a woman, according to a new study that takes Charles Darwin into the domain of cyber networking.
Social Sciences
Apr 23, 2012
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0
In plants that rely on animals for pollination, the number of seeds they produce, or their relative fitness, is influenced by pollinator visits and the successful deposition of pollen. The number of visits a plant may receive ...
Plants & Animals
Nov 10, 2011
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0
Wildlife face many threats with spreading urbanization, including habitat loss and inbreeding when populations become fragmented and isolated. It doesn't help that there is a billion-dollar international industry dedicated ...
Biotechnology
Jun 8, 2011
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0
Charles Darwin and his contemporaries postulated that food consumption in birds and mammals was limited by resource levels, that is, animals would eat as much as they could while food was plentiful and produce as many offspring ...
Evolution
Jul 1, 2009
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