Male hormones help lemur females rule
Lemur girls behave more like the guys, thanks to a little testosterone, according to a new study.
Plants & Animals
May 12, 2015
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Page 3 - News tagged with testosterone level
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Teeth, sex and testosterone reveal secrets of aging in wild mouse lemurs
Mouse lemurs can live at least eight years in the wild – twice as long as some previous estimates, a long-term longitudinal study finds.
Plants & Animals
Oct 29, 2014
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Harem-holding male primates fail to rise to the challenge
Today the Royal Society launches a new open access, objective peer reviewed journal, Royal Society Open Science. In one of the studies published in the new journal, scientists add complexity to an accepted hypothesis of how ...
Plants & Animals
Sep 24, 2014
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Sex and age-biased nematode prevalence in reptiles
Rising testosterone levels in male slow worms at breeding season may make them more susceptible to infections, say NERC-funded scientists.
Plants & Animals
Aug 4, 2014
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Society bloomed with gentler personalities and more feminine faces
Modern humans appear in the fossil record about 200,000 years ago, but it was only about 50,000 years ago that making art and advanced tools became widespread.
Social Sciences
Aug 1, 2014
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Hormone levels linked to survival of deer calves, study suggests
Levels of a key hormone in the blood may be important for the survival prospects of newborn animals, a study of wild deer suggests.
Ecology
Mar 27, 2014
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Elephant put down after attacking tourists in S.Africa
An elephant was put down in South Africa's Kruger National Park after it attacked and overturned a vehicle, ripping open a British woman's thigh with its tusk, the park said Tuesday.
Ecology
Jan 1, 2014
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Among Tsimane men, successful hunting boosts testosterone and cortisol levels, anthropologists find
While small-scale horticulture is a relatively recent addition to the human repertoire of food provisioning, hunting has deep evolutionary roots. In practically every society, hunting ability correlates with reproductive ...
Evolution
Dec 12, 2013
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Anthropologists study testosterone spikes in non-competitive activities
The everyday physical activities of an isolated group of forager-farmers in central Bolivia are providing valuable information about how industrialization and its associated modern amenities may impact health and wellness.
Evolution
Aug 13, 2013
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Stronger reaction to masculinity threats tied to testosterone, sociologist says
(Phys.org) —We've all heard it before: if a guy is made to feel less than manly, he'll act even more macho to make up for it. Now, new research suggests that this behavior may have something to do with how much testosterone ...
Social Sciences
Apr 17, 2013
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