News tagged with sex differences
Biologists turn back the clock to understand evolution of sex differences
Sex differences account for some of the most of the spectacular traits in nature: the wild colours of male guppies, the plumage of peacocks, tusks on walruses and antlers on moose. Sexual conflict – the ...
May 03, 2012 |
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Male maturity shaped by nutrition during first six months of life
It seems the old nature versus nurture debate can't be won. But a new Northwestern University study of men in the Philippines makes a strong case for nurture's role in male to female differences -- suggesting that rapid weight ...
Medicine & Health / Medical research
Sep 13, 2010 |
4.9 / 5 (12) |
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Researcher compiles evidence in support of Darwin's theory of sexual selection
In 1871, Charles Darwin sparked debate that continues today when he proposed that human sex differences evolved based on sexual selection. Sexual selection is Darwin's theory that certain physical, mental or psychological ...
Apr 13, 2010 |
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Sex-specific behaviors traced to hormone-controlled genes in the brain
Hormones shape our bodies, make us fertile, excite our most basic urges, and as scientists have known for years, they govern the behaviors that separate men from women. But how?
Feb 02, 2012 |
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Sex segregation in schools detrimental to equality
Students who attend sex-segregated schools are not necessarily better educated than students who attend coeducational schools, but they are more likely to accept gender stereotypes, according to a team of psychologists.
Other Sciences / Social Sciences
Sep 22, 2011 |
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An ancestral link between genetic and environmental sex determination
Researchers from Osaka University and the National Institute for Basic Biology, Japan, have found a highly significant connection between the molecular mechanisms underlying genetic and environmental sex determination. The ...
Mar 24, 2011 |
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Extra testosterone reduces your empathy
A new study from Utrecht and Cambridge Universities has for the first time found that an administration of testosterone under the tongue in volunteers negatively affects a person's ability to 'mind read', an indication of ...
Medicine & Health / Medical research
Feb 09, 2011 |
4.6 / 5 (14) |
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Birdsong independent of brain size
(PhysOrg.com) -- The brains of all vertebrates display gender-related differences. In songbirds, for example, the size of the brain areas that control their singing behaviour could be linked to the size of ...
Jun 13, 2011 |
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Scientists find a common link of bird flocks, breast milk and trust
What do flocks of birds have in common with trust, monogamy, and even breast milk? According to a new report in the journal Science, they are regulated by virtually identical neurochemicals in the brain, known ...
Aug 13, 2009 |
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Men better at distance vision due to hunter-gatherer past: study
Men are better at seeing things in the distance due to their hunter-gatherer past chasing animals, while women are better focusing on things at close range, a British study said Thursday.
Medicine & Health / Psychology & Psychiatry
Jul 30, 2009 |
3.4 / 5 (10) |
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Male and female shopping strategies show evolution at work in the mall
Male and female shopping styles are in our genes---and we can look to evolution for the reason. Daniel Kruger, research faculty at the University of Michigan School of Public Health, says it's perfectly natural that men often ...
Other Sciences / Social Sciences
Dec 02, 2009 |
4.1 / 5 (15) |
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Neurobiologist proposes 'The end of sex as we once knew it'
(PhysOrg.com) -- Women are not from Venus any more than men are from Mars. But even though both sexes are perfectly terrestrial beings, they are not lacking in other differences. And not only in their reproductive organs ...
Medicine & Health / Medical research
Feb 02, 2009 |
4.1 / 5 (10) |
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Single women gaze longer
A study by neuroscientist Heather Rupp and her team found that a woman's partner status influenced her interest in the opposite sex.
Other Sciences / Social Sciences
Jun 03, 2009 |
3.7 / 5 (3) |
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Lack of ability does not explain women's decisions to opt out of math-intensive science careers
Women don't choose careers in math-intensive fields, such as computer science, physics, technology, engineering, chemistry, and higher mathematics, because they want the flexibility to raise children, or because they prefer ...
Medicine & Health / Psychology & Psychiatry
Mar 03, 2009 |
3 / 5 (3) |
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New research shows men tend to leap to judgement where women see more shades of grey
(PhysOrg.com) -- An experiment by researchers at the University of Warwick has found the first real evidence that men tend to make black-or-white judgements when women are more prone to see shades of grey in choices and decisions.
Medicine & Health / Psychology & Psychiatry
Apr 18, 2011 |
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Sexual dimorphism
Sexual dimorphism is the systematic difference in form between individuals of different sex in the same species. Examples include colour (specifically referred to as sexual dichromatism), size, and the presence or absence of parts of the body used in courtship displays or fights, such as ornamental feathers, horns, antlers or tusks.
For more information about Sexual dimorphism, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
