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Study: Men Get Grumpy at Age 70

After reporting that things started improving around 50

(Newser) - If you're a male who's approaching 50, good news: A recent study found that 80% of the 1,315 men surveyed found that life improved around 50, as opposed to the 20% who said life didn't get easier until retirement age. But the good times apparently have... More »

Lack of Sleep Can Fry 25% of Brain Cells

Study of mice finds brain damage with prolonged sleep loss

(Newser) - A lack of shut-eye may not just leave you feeling groggy—it could seriously injure your brain. A new study of mice has found 25% of brain cells died off after prolonged sleep loss, meant to duplicate night shifts or long hours at the office—the first evidence of its... More »

Teen Makes Leap in Study of Own Rare Disease

Elana Simon co-authors new study on fibrolamellar hepatocellular carcinoma

(Newser) - At 18, Elana Simon is already the co-author of a study in the renowned journal Science . The subject? Her own rare liver cancer, which she was diagnosed with at age 12. Together with scientists, another survivor of the disease, her surgeon, and her dad, who runs a cellular biophysics lab,... More »

Cats May See Things That Are Invisible to Us

Dogs and reindeer, too

(Newser) - If you saw the world through the eyes of your pet, you'd very likely be seeing a lot more than you currently do. That according to new research that has found that cats, dogs, and select other animals may be able to see things that are invisible to the... More »

Crazy Ants Have Secret Weapon in Insect War

Can produce antidote to fire ant poison: study

(Newser) - When we first introduced you to crazy ants , we mentioned they might pose a threat to fire ants. As fire ants aren't the friendliest of insects, that probably didn't sound so terrible. Except that now, crazy ants are indeed driving away fire ants via a remarkable built-in antidote... More »

Scientists: Here's Why Climate Change 'Paused'

High winds are forcing heat underwater—at least for now

(Newser) - Global-warming skeptics, en garde: A new study says that the recent pause in global warming is caused by strong trade winds in the Pacific Ocean that will eventually subside, the Guardian reports. According to the study , sharply higher winds in the central and eastern parts of the Pacific have pushed... More »

Could a Diuretic Reverse Autism in Some Cases?

Results of rodent tests released

(Newser) - French researchers have been testing a diuretic on kids with autism, and in a study released yesterday in Science, they explain why they think the drug, a version of bumetanide they have patented, has so much promise: because of their experiments with mice. As USA Today explains, a chemical switch... More »

Neanderthals 'Not Fully Extinct'

Most of us have a speck of caveman, studies show

(Newser) - The latest big finding on Neanderthals : Some 20% of caveman DNA made its way into the human genome thanks to mating between humans and Neanderthals, though people today typically have only 1% or 2% of the stuff. (People have different parts of the DNA, which collectively represent what's left... More »

Study: It's Not McDonald's Fault Our Kids Are Fat

It's the fatty, sugary foods they're eating the rest of the time that's to blame: study

(Newser) - Fast food isn't making your kids fat—not really. What's truly behind the trend of childhood obesity are the sodas, frozen pizzas, and cookies consumed at home, school, and whenever kids aren't in a McDonald's or Burger King booth—a "Western diet" high in saturated... More »

Not So Funny? Comedians Have Psychotic Traits

Score higher compared to those in 'non-creative' jobs

(Newser) - Plenty of people would agree comedians are a bit crazy—but are they psychotic? Not quite, but they measure as having higher levels of psychotic personality traits than those in "non-creative" professions, a new study finds. Researchers had 523 comedians, 364 actors, and 831 people in the "non-creative... More »

Migraine Drug Benefits Are Half in Your Head

Study demonstrates power of suggestion

(Newser) - How effective a drug is has a lot to do with how effective you think it'll be, a new study suggests. Researchers gave 66 migraine sufferers a set of pills, some in envelopes labeled "Maxalt," a common migraine medicine, and others in envelopes labeled "placebo."... More »

90% of Old Scientific Data May Be Lost

Thanks in part to outdated devices, email addresses

(Newser) - Scientists rely on raw data to reproduce studies and power new research—it's a foundation of the scientific method. But as much as 90% of data is lost within 20 years, according to a new study that puts at least some of the blame on old technology. Researchers emailed... More »

'Youth' Chemical Reverses Muscle Aging in Mice

Research team wants to begin clinical trials in 2015

(Newser) - If you have a few unwanted wrinkles, this study may pique your interest: Harvard scientists reversed a part of the aging process in mice with a muscle-rejuvenating chemical the BBC dubs "youth-medication." The chemical, NAD, decreases in cells as the body ages, but when mice were given boosted... More »

No, Music Doesn't Make You Smarter

Samuel Mehr crashes the 'Mozart effect' myth in two new studies

(Newser) - Sorry to burst your bubble, parents, but all those piano lessons aren't helping to make your child the smartest kid on the block. Learning to play a musical instrument comes with a lot of good: It can bolster creativity, focus, discipline, and even self-esteem. But there's just no... More »

90 Companies to Blame for 63% of Global Emissions

Chevron, BP, Exxon racked up 9% alone

(Newser) - Want to personally thank those largely responsible for putting greenhouse gases into the air? Fewer than 100 phone calls will do the trick. According to new research, 90 companies have produced 63% of the emissions of carbon dioxide and methane since the dawn of the industrial age. Chevron, BP, and... More »

Secrets of Mysterious Black Hole Jets Revealed

Jets have power to spew iron and nickel, study finds

(Newser) - For years, astronomers have wondered what exactly black holes spew into our universe—and now they know. Iron and nickel have been found shooting from the relativistic jets of a black hole several times larger than our sun, but the finding is more surprising than it may seem. It shows... More »

Big Meteor Strikes Way More Common Than Thought

Chelyabinsk-size strike happens every 30 years or so

(Newser) - A meteor strike like the one in Chelyabinsk, Russia , earlier this year might seem like a once in a lifetime event, but a new study in Nature says that isn't the case. Using data from sensors around the world, researchers found that big asteroids have hit Earth's atmosphere... More »

Insects Caught in the Act —in 165M-Year-Old Fossil

Offers rare look at froghoppers' mating evolution

(Newser) - Meet the world's longest-lasting couple: Two insects who've been doing the deed for 165 million years. Yep, Chinese scientists have uncovered an ancient fossil of the love birds, er, froghoppers—the oldest instance of insects caught in the act in rock form, Popular Science reports. "This one... More »

Steroids' Benefits Could Ripple for Months, Years

Current bans on athletes who test positive might not be enough

(Newser) - Steroids may give athletes a competitive edge way longer than previously thought—as long as their entire professional careers. A new study from Norway found that mice given steroids were able to regrow muscle mass more rapidly months after the drug was withdrawn. After three months "clean," the... More »

Breast Milk Protein May Ward Off HIV

That's why babies breastfed by infected moms usually don't catch it

(Newser) - Scientists think they've found a promising new avenue for an HIV treatment in an unlikely place: the breasts of moms. Public health officials have long noticed that infants breastfed by HIV-positive moms rarely contract the virus themselves—even though the virus is definitely inside the milk. Now, Duke scientists... More »

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