scientific study

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Ladies, Men Really Don't Feel Your Pain

Researchers find women, parents are much more empathetic

(Newser) - Think your man doesn't feel your pain? It might not be in your head after all. Scientists in Australia say men simply aren't very empathetic when their partners are blue—and they have a national survey to prove it, reports the Herald Sun . Researchers interviewed 20,000 Australians... More »

More Than 50% of Kids Will Live With Single Mom

Lack of biological dad in kids' lives also ups risk of antisocial behavior: report

(Newser) - In 1965, sociologist Daniel Patrick Moynihan (who later became the iconic New York senator) published a controversial study about the increasing number of black families headed by single moms, in which he asserted that black children growing up without male breadwinners would have a harder time breaking the poverty cycle.... More »

Dementia Linked to Bad Night's Sleep

Researchers say low oxygen levels cause abnormalities in brain

(Newser) - We're all familiar with that sluggish feeling after a bad night's sleep. Now researchers believe sleep disturbances spark changes in the brain that may lead to dementia, according to a new study. The key to this connection is low oxygen in the blood during sleep. The culprit? Conditions... More »

Amount of Plastic in Ocean: 700 Pieces per Human

Estimate taken from 24 ocean expeditions from 2007 to 2013

(Newser) - Mother Earth has reached a milestone, but not the kind anyone will want to celebrate: The plastic floating in the oceans has been estimated to the tune of 5 trillion pieces in a new study. That's 250,000 tons, or some 700 pieces per person, the Washington Post reports.... More »

How Red Wine Helps Fight Cancer

Chemical resveratrol fights adverse effects of other booze, says study

(Newser) - Overindulgence of alcohol in general may raise your risk of cancer, but a University of Colorado team explains how red wine in particular could fend that cancer off. A study published in Advances in Experimental Medicine and Biology says that although alcohol has been linked as a risk factor for... More »

Male Smokers May Lose Y Chromosomes

Research may explain men's higher cancer rates

(Newser) - Even if general appeals to one's health aren't enough to convince people to quit smoking , perhaps this new research out of Sweden will give men some pause. An Uppsala University study published yesterday in Science says that male smokers are, on average, three times more likely to lose... More »

Older Men Really Do Have Worse Sperm

Quality, volume goes down as men age, study says

(Newser) - Every sperm is sacred, but older ones need even more TLC than previously thought. Although scientists have long theorized that sperm quality drops as men age, a University of Otago review of 90 studies from more than 30 countries confirms there are "consistent age-related declines" in the quantity of... More »

Toys Send Kids to ER Every 3 Minutes

Scooters top toy-related injuries, which have jumped 40% over 20 years

(Newser) - A study that shows toy-related injuries have jumped 40% over the past two decades might have parents reconsidering their kids' holiday wish lists. The report, published in Clinical Pediatrics today, shows that the injury rate for toy-related accidents, which affects boys and younger children the most, increased from 18.9... More »

Air Around Hand Dryers Is Pretty Germy

27 times more bacteria found in air around jet-air dryers than around paper towels

(Newser) - Given the choice between noisy hand dryers and tree-felling paper towels, dryers are the better option, right? Maybe not, at least when it comes to your health. A University of Leeds study finds hand dryers, especially "jet-air" models, can actually spread germs around a public bathroom. To simulate what... More »

Guys Dig Women in High Heels: Science

Surprise-to-no-one study shows the higher the heel, the more likely men are to help

(Newser) - From the researcher who showed female hitchhikers with big breasts got picked up more by men than their flatter-chested counterparts comes another revealing study: one that appears to confirm that guys think high heels are sexier than flats. In a report published in the Archives of Sexual Behavior , the University... More »

In a French Kiss, You Swap More Than Spit

Smooch for 10 seconds, and you've transferred 80M bacteria

(Newser) - A kiss is just a kiss—except for when it's a major bacteria conduit. A new study published in Microbiome takes a look at what happens when we kiss intimately, and finds that 10 seconds of passion can result in the transfer of up to 80 million bacteria. Dutch... More »

Why 25% of Mammals Commit Infanticide

It boils down to sex, researchers say

(Newser) - The co-author of a new study estimates that 25% of our planet's mammals practice infanticide—and she thinks she knows why. Elise Huchard and Dieter Lukas studied 260 species; in about 45% of them, babies are killed by male adults. And it all boils down to sex, says Huchard.... More »

Pantyhose Help Reveal Why Mosquitoes Prefer Humans

Researchers use stockings to zero in on a human-only body odor

(Newser) - Thousands of years ago some mosquitoes made "a really good evolutionary move": They developed a taste for humans. A new study digs into the genes that led to this evolutionary shift, which had many mosquitoes give up on furry forest animals—and it relied on guinea pigs and pantyhose... More »

Scientists Find 6 Flame Retardants in Our Bodies

Small study analyzed urine of 16 Californians

(Newser) - Much of the furniture in your home is likely coated in flame retardants—and it turns out those same flame retardants may be making themselves at home in our bodies. The Silent Spring Institute, working in tandem with Belgian researchers, tested 16 Californians for biomarkers of six flame-retardant chemicals using... More »

Scientists Find Key Culprit in Antarctic Ice Melt

Underwater storms bringing warm water to polar ice: study

(Newser) - Storms aren't just a result of global warming, they may actually be causing the unstoppable Antarctic ice melt . Robots patrolling more than 3,250 feet below the Weddell Sea have discovered underwater storms are helping thaw Antarctic ice as they drive warm water toward polar ice shelves. Essentially, researchers... More »

Chewing on Ice Better Than Sex (for Some)

Ice may offer mental boost for pagophagia sufferers

(Newser) - If you need coffee as a morning pick-me-up, you're not alone. If you need to chomp through a cup of ice, you're also not alone—but there are fewer people like you. Such ice-eaters may suffer from pagophagia (a compulsive craving for ice) that could be caused by... More »

Insects Made History 400M Years Ago

They were first to grow wings, rule the skies

(Newser) - Want human beings to feel a massive ego-boost? Then look elsewhere, because a ground-breaking study published by Science finds that insects ruled the Earth about 400 million years ago and grew wings long before any other animal, reports Heritage Daily . They cropped up as plants began diversifying, in fact, and... More »

Your Weird Sex Fantasies Are Probably Really Vanilla

Research finds humans experience 'wide range of erotic fantasies'

(Newser) - Some might be shy about admitting weird sexual fantasies, but 1,516 participants did just that for a study in the Journal of Sexual Medicine —and most of their fantasies aren't that weird at all. There's a wide spectrum of them, and most folks fall well within... More »

In Bat Battles, Rivals Jam Each Other's Sonar

Study identifies technique for first time in Mexican free-tailed bats

(Newser) - Bats don't mess around when it comes to food fights—they can prevent rivals from snagging prey by emitting a noise that essentially jams the other bat's sonar. One researcher discovered the tactic for the first time among the Mexican free-tailed bat, which, like all bats, uses "... More »

Here's How Penises Evolved

Scientists identify link between genitalia and growth of limbs

(Newser) - Most guys probably don't sit around the locker room pondering the finer points of how the male penis evolved, so leave this one to Harvard researchers: The mystery is solved thanks to … lizard limbs. Yup, Harvard scientists investigating the origin of external genitalia have found a link relating... More »

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