Scientists have created remote controlled cyborg sperm

Looking to take advantage of sperm's awesome swimming ability, researchers have cyborg-ized bull semen by positioning them inside tiny metal cylinders that can be steered with magnets. This means we now have a way to control a cell's direction inside the body — a breakthrough that could lead to efficient microscopic… » 12/13/13 2:40pm 12/13/13 2:40pm

Sperm Wars Can Create New Species

Take a look at the battle unfolding in this remarkable image. It shows the sperm from two related fruit fly species competing inside a reproductive tract. It’s an evolutionary struggle that, as scientists are now learning, often leads to the introduction of entirely new species. » 10/01/13 8:00am 10/01/13 8:00am

And Now, Another Educational Fact About Eating Squid Sperm

You've no doubt heard that semen is nutritious, but it seems we're not the only species aware of nature's dirty little secret. Scientists have discovered that female southern bottletail squid readily — and consistently — consume the ejaculates and sperm of their mates. » 6/05/13 12:26pm 6/05/13 12:26pm

Squid sperm will cooperate to inseminate

A number of species engage in swarming behavior, where countless individuals move en masse in some direction. But they're not the only ones. Scientists have now found that the sperm of some squid form swarms, and this peculiar behavior could help the cells to fertilize eggs. » 4/11/13 2:40pm 4/11/13 2:40pm

Sacré bleu! French men have suffered a dramatic drop in sperm count…

Sperm count is down in French men, according to a study published today in the journal Human Reproduction. The investigation, led by environmental health epidemiologist Joëlle Le Moal, found that the number of sperm in one milliliter of the average 35-year-old's semen declined from roughly 74 million in 1989 to about 50 … » 12/05/12 7:20am 12/05/12 7:20am

How can a small piece of copper prevent you from getting pregnant?

Birth control comes in all shapes and sizes, from the incredibly high-tech to the ridiculously simple. So if you're worried about the long-term effects of taking hormones, or tired of taking a daily birth-control pill, there's always another method of birth control that's simple, cheap and effective: the Copper T. The… » 9/18/12 11:07am 9/18/12 11:07am

Eight things you didn’t know you could do with human sperm

Sperm are single-purposed: They're optimized to get to an egg and inseminate it. But that doesn't mean there isn't more to this cell than meets the ovum. Sperm, along with its travelling companion, semen, are surprisingly versatile and adaptable substances. Here are eight unconventional things you can do with human… » 8/27/12 10:00am 8/27/12 10:00am

Men could soon blast their balls with soundwaves to prevent pregnancy

What if the male version of the birth control pill wasn't a pill at all? Scientists from the University of North Carolina say a non-oral form of male contraception is on the horizon. According to researchers, all it takes to be effective is a couple blasts of high frequency sound waves...delivered straight to the… » 1/30/12 7:00am 1/30/12 7:00am

Naked mole rats have the worst sperm in the animal kingdom

Often called "sabre tooth sausages," naked mole rats are among the most bizarre members of the rodent realm. They live for 20 years — an enormous amount of time compared to other rodents — and exist entirely within a network of underground tunnels. They are blind, feel no pain on the surface of their skins, can run… » 12/05/11 1:00pm 12/05/11 1:00pm