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9 Animals That Masturbate (Other Than Humans)

Humans didn’t invent masturbation. We get the urge because our ancestors did too, even back to the earliest mammals and reptiles. It’s likely that as soon as animals evolved brain circuitry that made stimulating sexual organs rewarding, individuals started taking the opportunity to reward themselves.
» 8/12/15 12:30pm 8/12/15 12:30pm

I Tried Some Aphrodisiacs, and Didn’t Even Get a Stupid Placebo Effect

People have ascribed sexual powers to certain foods for centuries, but there’s absolutely no scientific evidence any of them will actually give you anything beyond calories and vitamins. But what the hell? Every so often, I’ll try some out and let you know what they’re like. As you read, imagine that I take a bite and… » 7/07/15 8:09pm 7/07/15 8:09pm

People are Poor Communicators When it Comes to Pain During Sex

Sex should be fun, but for many people pain is not. Nevertheless, sex sometimes surprises us with a side of pain. It might be fleeting–from a lack of lubrication, an unexpected muscle cramp, some chafing or pinched skin, or it could be the result of a more serious medical condition. But whether it’s from shame or… » 7/06/15 9:00pm 7/06/15 9:00pm

Here's How Hormone Therapy Aids Gender Transition

People who are transitioning genders want to look like the sex they’re transitioning to. Hormone therapy can help with that, since the characteristics that help us distinguish men and women by sight—breasts, relative muscle mass, the shape of the face, and so forth—are created by the sex hormones our gonads start… » 6/09/15 9:58am 6/09/15 9:58am

How Do Testicles Know When To Stop Making More Sperm?

Every time someone ejaculates, it produces millions of sperm. But the average pair of testicles produces billions of sperm cells over an entire lifetime. Why don’t they create all of their sperm in one go? Answer: Because testicles have a complicated process to avoid running out of sperm and endangering future… » 5/04/15 1:31pm 5/04/15 1:31pm

Science Needs More Women (And Not For The Reason You Think)

You're probably thinking it has to do with the lack of women conducting research. And yes, you're right, that is a problem. But the issue we're talking about, while connected to the absence of women in scientific research, is actually the relative shortage of women having research performed on them. » 11/07/14 1:30pm 11/07/14 1:30pm

Sexting May Be A 'Normal' Part Of Adolescent Sexual Development

The first study to examine the link between sexting and sexual activity over time has found no relationship between sexting and an increased likelihood of risky sexual behavior in adolescents. The researchers behind the study offer that sexting may constitute a "normal" part of sexual development. » 10/08/14 5:30pm 10/08/14 5:30pm