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13 August 2014, 07:46 PM ET
Anal sex can be painful, and teenagers know it. But a new study of teens perceptions and experiences with anal sex also reveals a few more surprising aspects of their activities.
13 August 2014, 07:35 PM ET
Shark Week can be terrifying, but sharks have much more to fear than we do.
13 August 2014, 06:29 PM ET
A healthy population of European wildcats lives in the forest around Mount Etna, an active volcano in Sicily, new research shows.
13 August 2014, 06:07 PM ET
Almost like giggling children, dolphins and whales squeal with delight when they get a fishy treat, a new study finds.
13 August 2014, 06:06 PM ET
A dolphin wearing a “critter-cam” is heard to utter a squeal upon echolocating, then eating, a fish in murky water. Researchers believe dolphins and whales squeal with delight, much like human children, upon successfully performing rewarding tasks.
13 August 2014, 06:06 PM ET
People in a recent study who consumed salt in moderation were less likely to die over a four-year period than those who ate too little or too much of the mineral.
13 August 2014, 04:36 PM ET
Older adults who have trouble sleeping may face an increased risk of suicide, new research suggests.
13 August 2014, 04:08 PM ET
Armchair historians with a knack for reading scratchy handwriting can now help the Smithsonian Institution with a huge effort to preserve thousands of historical letters and journals online.
13 August 2014, 04:05 PM ET
Two new species of jellyfish have been discovered off the coast of Western Australia. One is surprisingly large. The other is tiny. Both are extremely venomous.
13 August 2014, 04:00 PM ET
Kids with immune systems that react strongly to infections could have a higher risk of depression, a new study suggests.
13 August 2014, 02:50 PM ET
The world's first known surviving panda triplets were born at the Guangzhou's Chimelong Safari Park on July 29th, 2014. Its being hailed as a 'miracle', given the animal's famously low reproductive rate.
13 August 2014, 02:09 PM ET
The central North Atlantic is a co-ed baby blue shark nursery, new research finds. Young sharks spend about two years in the region before segregating by sex.
13 August 2014, 02:01 PM ET
Farmers in China have unearthed the nearly complete skeleton of a juvenile armored dinosaur that may be one of the largest ankylosaurs, suggesting this group of beasts grew big early in their evolutionary history.
13 August 2014, 02:00 PM ET
Archaeologists have found evidence that Egyptians mummified their dead 1,500 years earlier than previously believed.
13 August 2014, 02:00 PM ET
Egyptians may have started making mummies more than 6,000 years ago, about 1,500 years earlier than researchers previously believed the practice began.
13 August 2014, 02:00 PM ET
An ancient flying reptile that had a bizarre, butterfly-like projection on its head has been unearthed in bone beds in Brazil
13 August 2014, 02:00 PM ET
An ancient flying reptile that had a bizarre, butterflylike projection on its head has been unearthed in bone beds in Brazil
13 August 2014, 01:01 PM ET
The powerful earthquake that rocked Chile in April ruptured the earth in a way that suggests major quakes; something similar to the big one that shook the area in 1877 may still hit the region in the future, researchers say.
13 August 2014, 12:50 PM ET
Interviews with survivors of an emergency plane landing are helping researchers understand how certain memories may increase the risk for post-traumatic stress disorder, a new study finds.
13 August 2014, 12:20 PM ET
South Africa will evacuate hundreds of rhinos to reduce the impact of poaching on the population, according to a government minister.
13 August 2014, 12:20 PM ET
Last week, a man in Sweden claimed that his pet, a freshwater male eel named Åle, died after having lived for 155 years in a backyard well. But was Åle really the oldest eel to have ever lived or the star of a fish tale?
13 August 2014, 10:59 AM ET
The number of children born outside of marriage in the United States has declined in recent years, according to a new report from the Centers for Disease Control and Prevention.
13 August 2014, 10:37 AM ET
The Human Society of the United States were alerted to the conditions that the dogs were living in on a property in Blue Mountain, Missouri. One of the dogs, name Sasha, was treated for a broken leg.
13 August 2014, 09:09 AM ET
U.S. Army aircrews may no longer have to choose between staying safe and staying cool thanks to a new personal cooling system, worn underneath body armor.
13 August 2014, 09:04 AM ET
For the first time in history the Fields Medal, the equivalent of the Nobel Prize for mathematics, will be awarded to a woman, Maryam Mirzakhani, an Iranian mathematician and a professor at Stanford University.
13 August 2014, 12:06 AM ET
Measuring 10 feet long and weighing in at more than 400 pounds, it's hard to imagine that the arapaima, the largest fish in the Amazon River basin, could ever go missing. But these huge fish are quickly disappearing from Brazilian waterways.
12 August 2014, 10:34 PM ET
The amount of water at the Earth’s surface is pretty constant, but in many parts of the developed world we are running out of the right sort of water, and our ability to access it.
12 August 2014, 08:40 PM ET
To capture celestial conjunctions, you only need a tripod and camera.
12 August 2014, 07:43 PM ET
Distraction saps the quality of your work, not just the speed.
12 August 2014, 07:01 PM ET
People overwhelmingly prefer symmetrical faces to asymmetrical ones, leading to the hypothesis that symmetry is a sign of health. However, new research suggests that health and facial symmetry aren't linked at all.
12 August 2014, 04:36 PM ET
The possibility that someone as talented and successful as Williams may have committed suicide shows that no one is immune to depression.
12 August 2014, 04:30 PM ET
NASA researchers have created a detailed atmospheric simulation that may one day help them predict the weather with high accuracy.