A unique study from Lund University in Sweden has discovered for the first time that there is a genetic sexual conflict in the immune system in animals. In females, the variation in central genes of the immune system is too ...
Plants & Animals
Aug 3, 2018
1
178
When it comes to sex among guppies, competition is high for those at the top of the game. To get around this predicament, a recent study has shown, guppies use trickery.
Plants & Animals
Sep 9, 2013
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0
The old saying that people marry their parents may be true for poison dart frogs, and it may even lead to the formation of new species, according to a new study in Nature based on work at the Smithsonian Tropical Research ...
Plants & Animals
Oct 3, 2019
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254
Some mammals may have evolved to synchronise births as a way of evading the threat of infanticide, according to a study led by the University of Exeter.
Evolution
Dec 23, 2013
1
0
(Phys.org) —Female pigs' reproductive systems recognise whether a sperm will produce a boy or a girl before it reaches and fertilises the egg, and their oviduct (fallopian tubes) change in response, according to new research ...
Plants & Animals
May 21, 2014
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0
The loss of flowering plants and the widespread use of pesticides could be a double punch to wild bee populations. In a new study, researchers at the University of California, Davis, found that the combined threats reduced ...
Plants & Animals
Oct 6, 2020
0
249
A team of researchers at University College London's Department of Genetics, Evolution and Environment has found that drive male, stalk-eyed flies do not suffer fertility reduction, despite losing half their sperm, by increasing ...
Previous research has shown that infanticide by males is widespread in many mammal species, but most commonly occurs in those species where females live in social groups dominated by one or a few males.
Plants & Animals
Nov 13, 2014
0
0
Without the benefits of evolutionary genetic variation that accompany meiotic reproduction, how does an asexual invasive species adapt over time to a new environment to survive? In all-female weevil species that produce only ...
Ecology
Jul 30, 2021
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2285
In a new study, researchers and members of the Muwekma Ohlone Tribe of the San Francisco Bay Area are the first to publish evidence of wealth-driven patterns in maternal investment among ancient populations.
Archaeology
Jul 13, 2023
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