Sex & Science

In the name of progress, researchers are forever discovering the reasons behind why we do the strange things we do. Here and updates and explanations of the newest science around sex.

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Dutch researchers help women climax

Amsterdam’s AMC university hospital is testing a unique way of bringing women to orgasm in the lab. The volunteers watch erotic films while a special device stimulates their clitoris. If that doesn't work, they get a quick dose of testosterone.

Can you tell a cheater by their voice?

How can you tell if your crush would cheat on you? By their voice, a recent study found. Before you reject potential cheaters, beware, there’s a catch. The same men and women rated as being likely to cheat are also the most attractive.

Indian he-men stuck in the past on sex

Indian men are the biggest ‘machos’, in everything from sex to housework. Eighty-six percent think changing diapers is strictly for women. More worryingly, nearly a quarter confess to committing sexual violence, like forcing a partner to have sex.

Is unprotected oral sex with multiple partners dangerous?

Oral sex does not cause cancer. But unprotected oral sex with multiple partners could be the reason why some kinds of cancer are on the rise, researchers from the University of Wisconsin say. During oral sex you can pass on the HPV virus known for causing cervical cancer.

Putting penis size on the map

If you or your partner want to know how your penis compares to others around the world, there’s a map that can satisfy your curiosity. Warning: It does not tell you about how to increase penis size!

Pakistan’s Dr Sex busts masturbation myths

Masturbation doesn’t cause sexual or physical weakness, says Pakistani sex expert Dr Syed Mubin Akhtar. It’s not a sin either, he says, at least as far as one strand of Islam is concerned. But many in his country believe it is.

'Abortion doesn't make girls depressed'

Having an abortion doesn't make teenage girls more depressed, say US researchers. Their findings clash with the standard thinking that abortion leaves some girls feeling eaten up by regret about not having the baby.

Condom too tight - maybe you're too big?

Size does matter. Yes, we are talking about condom size! Condoms are more likely to break if too tight or slip if too loose says Theodoor van Boven, who runs the Condomerie, the "world's first specialised condom shop" in Amsterdam.

Men allergic to own sperm get after-sex flu

Imagine if every time you had an orgasm it made you ill for a week. That’s just what happens to men with ‘post orgasmic illness syndrome’, or POIS, say Dutch scientists – they’re allergic to their own semen.

‘Masturbation can save lives’

Masturbation is a great way to have safe sex and a cheap way to save lives. But countries who stand to gain the most from promoting it are often the ones where masturbation is the biggest taboo.

Are two mums better than one?

Children raised by lesbian parents are brighter and happier than kids in families with both a mum and a dad, US-Dutch research discovered. The researchers followed the children of more than 150 lesbian two-mum families from birth to adulthood.

Can marrying your cousin keep your kids healthy?

Marrying your cousin might help keep your family healthy, a new Dutch study found. This might come as a surprise, because it also means your children are more likely to have birth defects.