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From
gizmodo
Looks can be deceptive. If you want some proof, consider a new study which analyzes the actions of aggressive-looking males. Turns out, men with angry, violent faces are actually far more likely to makes sacrifices for their close friends. 
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Scoop.it!
From
phys
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.
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High school math teachers tend to rate white female students’ math abilities lower than those of their white male peers, even when their grades and test scores are comparable, according to a University of Texas at Austin study.
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The ideal male contraceptive would be inexpensive, reliable, and reversible. It would need to be long acting but have few side effects.
oliver firth's curator insight,
June 11, 2015 9:56 PM
Certainly an interesting form of contraception. This explains how ultrasound can be used as a form of contraception for males. It explains how it is like a computer is dangerous when on your lap.
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Male sex drive is at the root of most conflict in the world, from football violence to world wars, scientists have claimed.
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According to two University of South Florida psychologists, our manhood is actually a very fragile and precarious commodity. When it’s threatened, we’ll go to extreme lengths to defend it
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(PhysOrg.com) -- Researchers from The Australian National University have discovered that the male-specific Y-chromosome is shrinking – and it’s happening at different rates across species.
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The search for differences between the brains of men and women has a long and rather confusing history. Any structural differences are small, and their significance is controversial. The one rock-solid finding is that men’s brains are slightly bigger on average. Then again, men are slightly bigger on average in general.
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The duration of sexual intercourse differs wildly across the animal kingdom. Now researchers seeking to understand the evolutionary significance of lengthy copulation duration have found evidence that it could signify a choosy male taking the time to assess the suitability of his female mate.
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In the animal world, males typically search for their female partners. The mystery is that in some species, you get a reversal -- the females search for males.
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NCBI ROFL | Whether erotic films made by women are more arousing for women than erotic films made by men was studied.
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"We do socialize our boys and girls differently, but the contribution of biology is not zero," said Diane Halpern, a professor of psychology at Claremont McKenna College in California, who has been studying cognitive gender differences for 25 years.
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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?
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A new study has looked into how our psychology concerning war and conflict may have been shaped by our evolutionary past.
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It's not all Devil Wears Prada out there in the workplace. A recent study showed that "fewer and fewer Americans care whether the boss is a man or a woman.
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Females influence the gender of their offspring so they inherit either their mother's or grandfather's qualities. 'High-quality' females – those which produce more offspring – are more likely to have daughters.
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A Japanese study of tiny spines that occur between brain cells revealed virgin male rats to have far more of them than more sexually experienced counterparts.
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Stress in the second and third months of pregnancy can shorten pregnancies, increase the risk of pre-term births and may affect the ratio of boys to girls being born, leading to a decline in male babies.
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“Vertebrate males commonly experience elevations in testosterone levels in response to sexual stimuli, such as presentation of a novel mating partner. Some previous human studies have shown that watching erotic movies increases testosterone levels in males although studies measuring testosterone changes during actual sexual intercourse or masturbation have yielded mixed results.
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