Breaking up is hard to do—and can be detrimental to one's reproductive fitness, according to a new University of Pennsylvania study.
Plants & Animals
Jan 23, 2013
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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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Monash University researchers supporting Zoos Victoria to breed the Critically Endangered Helmeted Honeyeater with another subspecies to improve genetic health and fitness, have found that the benefits of such genetic mixing ...
Ecology
Aug 9, 2023
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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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A new study by University of Alberta researchers shows a link between horn size and female reproductive fitness in bighorn sheep—a potential conservation issue that may stem from trophy hunting of male bighorn sheep with ...
Plants & Animals
Sep 22, 2022
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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
Sheep keep having twins even in old age, say scientists.
Ecology
Mar 4, 2013
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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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Humans aren't the only living beings who find a singing voice attractive in the opposite sex—songbirds do too. For about a third of the approximately 4,000 songbird species that sing only one song, the features that make ...
Plants & Animals
Apr 11, 2024
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