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Updated: 1 hour 55 min ago

'Completely Unique': Cave-Dwelling Female Insects Have Penises

April 17, 2014 - 8:34pm

A team of international scientists have found four species of insects with reversed sex organs. The females' anatomy may have to do with their need for nutrients that only males produce.

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Even Chimps Know That A Firm Bed Makes For Quality Sleep

April 17, 2014 - 6:31pm

A new study looking at the nests made by chimpanzees in Uganda found that they prefer a type of tree that gives them a firm and secure sleeping platform.

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Got A Hobby? Might Be A Smart Professional Move

April 17, 2014 - 3:46pm

Workers who have a creative outlet outside the office are more likely to be creative problem solvers on the job, a study suggests. Oh, and they have more fun.

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Scientists Spot A Planet That Looks Like 'Earth's Cousin'

April 17, 2014 - 3:01pm

Kepler-186f is almost the same size as Earth, and it orbits in its star's "Goldilocks zone"-- where temperatures may be just right for life. But much is unknown because it's also 500 light-years away.

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Chili Say What? Linguistics Help Pinpoint Pepper's Origins

April 17, 2014 - 2:52pm

It turns out the first chili peppers were grown by humans in eastern Mexico. And it's not the same region where beans and corn were first grown, according to new ways of evaluating evidence.

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First Embryonic Stem Cells Cloned From A Man's Skin

April 17, 2014 - 2:14pm

Scientists based their technique on the one used to create the sheep Dolly years ago. These cells might one day be useful in treating all sorts of diseases.

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'Why Am I Dead?' He Never Asked. Here's The Answer He Never Heard

April 17, 2014 - 1:39pm

Man goes in for a routine hip operation. In the corner of the operating room, there's a young med student watching. When things go wrong, she tries to make sense of what she sees.

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Plant Breeders Release First 'Open Source Seeds'

April 17, 2014 - 3:30am

Scientists and food activists are launching a campaign to promote seeds that can be freely shared, rather than protected through patents and licenses. They call it the Open Source Seed Initiative.

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Sichuan Pepper's Buzz May Reveal Secrets Of The Nervous System

April 17, 2014 - 3:25am

The Sichuan peppercorn that makes our mouths tingle activates the same neurons as when our foot falls asleep. Scientists are hoping the connection unlocks clues for how to turn those neurons off.

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On Your Mark, Get Set, Grow: A Guide To Speedy Vegetables

April 16, 2014 - 4:54pm

Impatient gardeners don't have to wait for summer to harvest salad fixings. A surprising variety of crops will bring homegrown produce to your table in as little as three weeks.

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New Fossil Takes A Bite Out Of Theory That Sharks Barely Evolved

April 16, 2014 - 4:41pm

A 325 million-year-old fossil find shows that the gill structures of modern sharks are actually quite different from their ancient ancestors.

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The Ultimate Animal Experience? Losing A Memory Quiz To A Chimp

April 16, 2014 - 11:34am

You've swum with dolphins, ridden camels, stalked tigers. Now, try taking a memory test with a chimp — and losing. It's fun, humbling and mind-boggling.

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A T. Rex Treks To Washington For A Shot At Fame

April 16, 2014 - 3:42am

The Smithsonian is set to unpack something it's never had before: a rare, nearly complete Tyrannosaurus rex skeleton. It's a gift from a Montana museum that says this T. rex deserves to be famous.

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Risks Of Popular Anxiety Drugs Often Overshadowed

April 15, 2014 - 5:21pm

Benzodiazepines like Xanax and Valium are among the most widely prescribed drugs in the U.S. Patients and addicts often mix them with prescription painkillers — sometimes to deadly effect.

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For A Fast Track To Blossom, Just Send Some Seeds To Space

April 15, 2014 - 4:00pm

After spending eight months on a Japanese space expedition, a cherry pit that's now four years old has mysteriously blossomed six years before it was due.

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Yearly Homecoming Makes For A Springtime Fish Frenzy

April 15, 2014 - 4:00pm

Each April, the shad come back to the Delaware River to spawn, and thousands of anglers in New Jersey and Pennsylvania eagerly await them. Celebrating their annual return is a local spring tradition.

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Saturn Might Have A New Baby Moon Named Peggy

April 15, 2014 - 3:12pm

The Cassini spacecraft spotted a disturbance in the sixth planet's outermost main ring that is thought to be caused by a tiny moon.

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Giant South American Bird On The Run In The U.K.

April 15, 2014 - 12:06pm

The bird, which newspapers say stands 6 feet, can run 40 mph and is "capable of disemboweling a human," escaped last month from a farm in Hertfordshire after apparently being spooked by a local hunt.

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Can It Be? Parrots Name Their Children, And Those Names, Like Ours, Stick For Life

April 15, 2014 - 11:07am

"Oh Romeo, oh Romeo," cried Juliet. Being human, she and her boyfriend had names. Is there any other animal that does this? Has names for each other? Oddly enough, yes!

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Voodoo Dolls Prove It: Hunger Makes Couples Turn On Each Other

April 15, 2014 - 3:25am

To see if low blood sugar sours even good relationships, scientists used an unusual tool: voodoo dolls representing spouses. As hunger levels rose, so did the number of pins.

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