Jessica Harding

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Brains Sweep Themselves Clean Of Toxins During Sleep

While the brain sleeps, it clears out harmful toxins, a process that may reduce the risk of Alzheimer's, researchers say.<p>During sleep, the flow of cerebrospinal fluid in the brain increases dramatically, washing away harmful waste proteins that build up between brain cells during waking hours, a …

How to Become an Exercise Addict

We all have friends who, despite hectic schedules, never miss a day at the gym. Who can't stop talking about the next 10K. Who can't stop smiling …

What You Need to Know About Hot Workouts

The temps may be cooling off outside, but things are heating up inside gyms—literally.<p>Heated fitness classes that crank up the temperature to 85 …

New York City

Smart Teenage Brains May Get Some Extra Learning Time

John Hewitt is a neuroscientist who studies the biology of intelligence. He's also a parent. Over the years, Hewitt has periodically drawn upon his scientific knowledge in making parenting decisions.<p>"I'm a father of four children myself and I never worried too much about the environments that I was …

US nearly detonated atomic bomb over North Carolina – secret document

Exclusive: Journalist uses Freedom of Information Act to disclose 1961 accident in which one switch averted catastrophe<p>A secret document, published in declassified form for the first time by the Guardian today, reveals that the US Air Force came dramatically close to detonating an atom bomb over …

The Big Bang May Not Have Spawned The Universe After All

Our universe might actually be the result of the collapse of a four-dimensional star.<p>According to a new paper posted on Arxiv, the Big Bang may not have been what we think it is. In fact, there may have been no Big Bang at all--our universe may have come from an entirely different source.<p>The Big …

Men need 'female' hormone for sex drive, fat control: study

Estrogen, the “female” hormone, is a lot more important to men than even many doctors think, according to a surprising new study published Wednesday in the New England Journal of Medicine.<p>Researchers at Massachusetts General Hospital in Boston found that it’s actually a lack of estrogen that’s most …

University of Washington

UCSF study shows gaming makes you cognitively younger (video)

A slew of negatives plague video games -- Peter Pan Syndrome, hyper-violence, camping -- but their youthfulness could do just what Nintendo's <i>Brain Age</i> promised: improve elderly brain function. Over four years, researchers at the University of California, San Francisco had a group play a custom game …

Scientists Find A Water-Rich Planet Outside Our Solar System

Japanese scientists have determined that a planet outside our solar system that most likely has a water-rich atmosphere. The planet, Gliese 1214b, is only 40 light years from Earth.<p>Discovered in 2009, Gliese 1214b is what’s known as a “super-Earth” – bigger than Earth but smaller than a gas giant. …

Mind meld? Scientist uses his brain to control another guy’s finger

University of Washington researcher Rajesh Rao, left, plays a computer game with his mind. Across campus, researcher Andrea Stocco, right, wears a magnetic stimulation coil over the left motor cortex region of his brain. Stocco’s right index finger moved involuntarily to hit the “fire” button as …

The Brain

Research links children's psychological problems to prolonged screen time

Study by Public Health England backs concerns raised by doctors that lack of exercise leads to unhealthy lifestyles<p>Spending too much time in front of television, DVDs and computer games is taking its toll on children's physical and mental health, according to a government-commissioned report …

Birds can tell the speed limit on certain roads

Though birds haven't yet learned how to read road signs, recent research suggests that birds can figure out the speed limit on a particular stretch of road.<p>Biologist Pierre Legagneux of the University of Quebec in Rimouski noticed that common European birds standing on the side of a roadway tended …

Birds

Afternoon slump? How to have more energy all day long

You're so predictable. Every day, you run out of steam, lose juice, or otherwise hit the wall at nearly the exact same times.<p>How do we know? Because it happens to everyone. Okay, maybe not to Kelly Ripa, but to everyone else. In fact, it's like clockwork, which actually makes sense, because your …

Research

Georgia School Shooting Suspect Had 500 Rounds of Ammunition, Police Say

The suspected gunman who terrorized an Atlanta-area elementary school, firing in the front office and at officers, was armed with an assault rifle …

Guns

Disturbing New Details on Gia Allemand Death

A little more than a week after Gia Allemand's attempted suicide, graphic details are coming out about the circumstances of the former "Bachelor" …

Crime

Schizophrenia Symptoms Linked With Faulty 'Switch' In Brain, Study Finds

By Kate Kelland<p>LONDON, Aug 21 (Reuters) - The delusions and other psychotic symptoms experienced by people with schizophrenia may be caused by a faulty brain "switch" that blurs their ability to distinguish inner thoughts from objective reality, scientists said on Wednesday.<p>In a study published in …

No injuries after Memphis 5-year-old fires gun in school

A Memphis, Tenn., kindergarten student is in police custody after he fired a handgun in his elementary school cafeteria Thursday morning.<p>The incident didn't result in any injuries, and school is back in normal operation, school officials said.<p>The Westside Elementary School student, 5, brought the …

Doctors Investigate Indian Baby for Spontaneous Combustion

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Right Brain, Left Brain? Scientists Debunk Popular Theory

Maybe you're "right-brained": creative, artistic, an open-minded thinker who perceives things in subjective terms. Or perhaps you're more of a "left-brained" person, where you're analytical, good at tasks that require attention to detail, and more logically minded.<p>It turns out, though, that this …

Woman Stabbed 32 Times by Ex Finds Love in First Responder Who Saved Her

A Florida woman who was stabbed 32 times by her former boyfriend says she doesn't see the near-fatal attack as "anything bad anymore" because the …

Crime

Herd of Fluorescent Green Bunnies Born

Why Some Words Sound Fat

Doesn't caramel ice cream sound heavy? Where vowel sounds come from in the mouth influences how we think about a word.<p>Which sounds better, an ice cream called Frish, or an ice cream called Frosh? In an NYU study, people rated the ice cream Frosh as smoother, creamier and richer. Except both ice …

Meet The Researcher Whose Fake-Poop Project Could Save Your Life

Emma Allen-Vercoe's fecal-transplant treatment could battle lethal gastrointestinal infections.<p>Done with your lunch? Good, here we go: You may know that implanting feces from healthy people into sick people can treat the deadly gastrointestinal infection caused by the bacterium <i>Clostridium …

FYI: What Is The Evolutionary Purpose Of Tickling?

You probably know that you can't tickle yourself. And although you might be able to tickle a total stranger, your brain also strongly discourages you from doing something so socially awkward. These facts offer insight into tickling's evolutionary purpose, says Robert R. Provine, a neuroscientist at …

How Cocaine Makes Users Skinny

A new study examines the weird ways cocaine changes people's metabolisms.<p>Cocaine has long had a reputation for keeping users slim—check out this 1990 article from the Los Angeles Times—and there's some science to back that up, too. Now, a new study of cocaine-addicted men examines how, exactly, …

Sanjay Gupta: Only 6 Percent Of Marijuana Research Considers Medical Benefits

It's impressive researchers have managed to conduct even that many studies.<p>Sanjay Gupta, neurosurgeon and CNN's chief medical correspondent, is officially down with weed. In an article for CNN, the well-known medical personality apologized for dismissing the scientific value of medical marijuana …