A study of chimpanzees has revealed that dominant animals with higher testosterone levels tend to suffer from an increased burden of parasites. Researchers writing in BioMed Central's open access journal BioPsychoSocial Medicine ...
Plants & Animals
Dec 9, 2010
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0
A new study shows that social isolation changes the behavior and brain development of bumblebees, but not in the way researchers expected.
Plants & Animals
Jul 12, 2022
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317
When it comes to sexual competition, males have the star role. Clashing bodies, locking horns, biting and kicking are all considered fair play. Since these behaviors are so salient and robust, most studies focus on male behavior, ...
Plants & Animals
Sep 26, 2022
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137
(Phys.org) -- James Goodson and colleagues at Indiana University have found that by altering the secretion of the hormone VIP in certain parts of the brain, treated birds lose their aggressive tendencies. As they write in ...
The behavior of cat interactions has been categorized into playful, aggressive and intermediate groups that may help owners distinguish between play and genuine fighting. The study, published in Scientific Reports, suggests ...
Plants & Animals
Jan 26, 2023
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78
(PhysOrg.com) -- Some consider the Noisy Miner bird a badly-behaved backyard bully - an avian aggressor that moves into the neighbourhood and quickly takes over.
Plants & Animals
Dec 8, 2009
1
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Breast cancer cells frequently move from their primary site and invade bone, decreasing a patient's chance of survival. This process of metastasis is complex, and factors both within the breast cancer cells and within the ...
Biochemistry
Jun 14, 2012
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0
University of British Columbia research comparing traditional bullying with cyberbullying finds that the dynamics of online bullying are different, suggesting that anti-bullying programs need specific interventions to target ...
Social Sciences
Apr 13, 2012
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While other US cities are buying back guns, a New England town not far from the December 14 mass shooting of 20 first-grade pupils is urging the public to turn in violent video games.
Other
Jan 4, 2013
12
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(Phys.org) —When one encounters a group of fruit flies invading their kitchen, it probably appears as if the whole group is vying for a sweet treat. But a closer look would likely reveal the male flies in the group are ...
Cell & Microbiology
Jan 17, 2014
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