An easily reversed hydrogel male contraceptive

A team of researchers working at China's Fourth Hospital of Harbin Medical University has developed a new kind of male contraceptive that is easily reversed. In their paper published in the journal ACS Nano, the group describes ...

Sexual assault worse for those who don't attend college

One in four women in the United States will experience forced intercourse by the time they're 44, and the risk is greater for women who have attended little or no college compared to those who attend four or more years of ...

Cupid's arrow: Research illuminates laws of attraction

We've heard the clich├ęs: "It was love at first sight," "It's inner beauty that truly matters," and "Opposites attract." But what's really at work in selecting a romantic or sexual partner?

Long sexual duration could be period of male choice

(PhysOrg.com) -- 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 ...

Russians 'never, ever had sex in space': official

Russian or Soviet cosmonauts never had sex in space in the 50 years of human exploration of the cosmos. And that's official, according to a Russian expert. As for Americans, well, you'd better ask them.

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Intercourse

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