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We Thought These Microscopic Invertebrates Never Had Sex. Maybe We Were Wrong.

Chances are, you’ve never heard of bdelloid rotifers, strange microscopic creatures that typically live in freshwater ponds and streams. In the grand scheme of things, they’re related to arthropods, a group which includes insects, spiders, and crustaceans. But honestly, they’re in a unique class all their own. And… »9/02/15 2:00pmYesterday 2:00pm

Want To Avoid Erectile Dysfunction? Try Getting Regular Exercise

A number of studies have suggested that physically active men have lower rates of erectile dysfunction than couch potatoes, but all of them relied on people being honest about the amount they exercised. A new study published by the Journal of Sexual Medicine checked those results by measuring how much their subjects… »9/02/15 12:02pmYesterday 12:02pm

Google Makes It Easy to Find Sex Inventions in the US Patent Database

Inventors have been coming up with devices to improve sex for decades. But before Google digitized all the records of the US Patent and Trademark Office to launch their Patent Search feature, if enterprising creators wanted to check whether their ideas were truly original, they had to search the sex patents by hand. »9/01/15 3:45pmTuesday 3:45pm

Here’s Why We’re Not Overrun With Adorable Baby Giant Pandas

The Smithsonian’s National Zoo has been part of an international effort to breed highly endangered giant pandas in captivity ever since Richard Nixon visited China in 1972. But in 43 years, they’ve had only two solid successes–cubs Tai Shan and Bao Bao. They hope the new twins born this weekend will make it four. »8/25/15 12:32pm8/25/15 12:32pm

How Lurking Predators Changed the Size of the Mosquitofish's Genitals

Female mosquitofish give birth to tiny babies, like the guppies you may remember from your third-grade aquarium. That means male mosquitofish don’t spawn: if they’re going to be dads, they need to use a modified fin (called a gonopodium) to inseminate their mate. And sex with a long, stiff fin demands a daunting level… »8/25/15 11:30am8/25/15 11:30am

Map shows the gender breakdown of Ashley Madison users across the world

The hacked data on Ashley Madison revealed that 90% to 95% of Ashley Madison users were male. That’s a lot of husbands! To visualize Ashley Madison’s gender disparity across the world, Malfideleco drew a line in the sand of 85% male users and plotted out which cities and countries have more male users than that and… »8/21/15 5:27am8/21/15 5:27am

A New Option for Crocodile Birth Control 

When they live in zoos, Mugger crocodiles happily mate and lay eggs. Maybe a little too happily: when they produce two clutches of 25 to 30 eggs each year, a zoo is quickly going be swamped by little croc babies. And rampant habitat loss means that there are fewer places to return them to the wild. What zoos need is… »8/18/15 5:45pm8/18/15 5:45pm

When You Have an Orgasm for No Reason

Imagine you’re playing a video game, maybe walking somewhere, basically minding your own business when the orgasm arrives. No arousal, no physical stimulation, no buildup, no control: just an instantaneous shift from status quo to woaaah. It’s called an orgasmic seizure. Here’s what scientists are learning from people… »8/18/15 2:20pm8/18/15 2:20pm

The Unusual Mating Habits of This Octopus Totally Blow Biologists' Minds

We all know the sad story of octopus sex, right? They live alone until it’s time to find a mate, they have sex a few times, then the males die. Females live a little longer to lay eggs, but die soon after they hatch. Turns out that the (still officially unnamed) Larger Pacific Striped Octopus breaks all the rules. »8/12/15 4:39pm8/12/15 4:39pm