scientific study

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New Twist on Why Dinosaurs Got So Big So Fast

Those with funky-looking skulls grew most quickly

(Newser) - For years, paleontologists have theorized that many of the world's largest dinosaurs sported head ornaments (think horns, knobs, and crests) as a means of intimidation and defense, and that these giants evolved to be so big because size helped them be more effective killers. But now new research published... More »

Impulsive Much? You're Probably Selfish, Too

Scientists find your ability to see others' point of view is related to self-control

(Newser) - If your level of self-control involves spending like Paris Hilton on trust-fund day or needing to be physically restrained at an all-you-can-eat buffet, well, chances are that you also spend a fair amount of time navel-gazing and you have a hard time imagining what it's like from someone else'... More »

Bumble Bees Learn Trick, Surprise Researchers

Most figured out how to pull string for reward after seeing how it's done

(Newser) - Ever wondered how tiny a bumble bee's brain is? Imagine a sesame seed clinging to a burger bun, reports the Washington Post —in other words, it's about 0.0002% the volume of a human brain, as calculated by Science . But that doesn't mean you can't... More »

In Algae, a Key to White Cliffs of Dover

They could in theory be replicated in the Antarctic—in millions of years

(Newser) - Had William Shakespeare had a chance to peruse a new study, he might have praised nitrate for the dizzying view from atop the White Cliffs of Dover. That’s because the tiny algae, known as coccolithophores, which helped form the famous cliffs some 100 million years ago benefited from a... More »

'5-Second Rule' Is Baloney

In some cases, contamination is instantaneous, say researchers

(Newser) - The five-second rule is off by about five seconds in many cases, and not in the direction you hoped. That's what Rutgers researchers say in a new study debunking the classic kitchen rule, which declares it safe to eat food off the floor if scooped up in a flash.... More »

Tired Brain Makes Us Overeat, but There's a Fix

Quick workout after mental activity seems to do the trick

(Newser) - Feel like stuffing your face after a grueling day at the office? Try exercising instead. A new study suggests that exercise keeps you from chowing down on more than your body needs after a tough mental task. Previous research has shown that people eat more after such tasks, like tests... More »

Study Suggests Link Between Air Pollution, Alzheimer's

Magnetite a 'plausible risk factor' for disease, says author

(Newser) - Air pollution has been linked to strokes, heart attacks , autism , and raised blood pressure . Now, scientists say it might also be responsible for Alzheimer's disease. Scientists at Lancaster University in the UK say they found an "extraordinary" amount of magnetite, an iron oxide toxic to the brain, in... More »

One of Our Largest Water Sources Is Contaminated

Water in Indo-Gangetic Basin contains toxic salt and arsenic

(Newser) - A river basin in southern Asia is so enormous that 750 million people rely on it for their groundwater. Now, a new study in Nature Geoscience presents an equally staggering stat: 60% of that water is unfit for drinking or farming because it's contaminated by salt or arsenic, reports... More »

Doling Out Fake Praise? Your Dog Knows

They consider words, tone when processing language: study

(Newser) - Score one for the "dogs are better than cats" camp: New research suggests dogs truly understand their owners—not just the words they speak, but also their tone of speaking. Researchers at Hungary's Eotvos Lorand University measured the brain activity of 13 pet dogs as a trainer repeated... More »

Sweden to Study How Good Sex Is in Sweden

Health minister concerned by reports that Swedes are having less sex

(Newser) - Sweden is the land of meticulous recordkeeping that dates back to 1749, which makes it the perfect place to pull off large scientific studies. (The country recently discovered that for the first time in those nearly 300 years it has more men than women .) Now the Swedish government has... More »

Clouds Aren't Where They Used to Be

Shifting patterns don't bode well for planet, say scientists

(Newser) - The clouds are shifting, and a new study suggests that's a worrisome thing for the planet. Satellite images collected between 1983 and 2009 show two trends: Clouds have been migrating away from the Equator toward the Earth's poles, and the tops of those clouds are reaching higher into... More »

Flying East Is a Pain for Your Brain

Biological clock prefers a longer day achieved by flying west: study

(Newser) - A flight from Paris to New York is easier on the brain than one from New York to Paris, according to a new study that finds jet lag is based not only on distance traveled, but also the direction of travel. In the journal Chaos , researchers from the University of... More »

Eating Fruits and Veggies Will Boost Your Happiness

After about 2 years

(Newser) - An apple a day keeps the blues away? According to a new study , eating fruits and vegetables increases happiness. "However," researcher Andrew Oswald tells the New York Daily News , "French fries will not count." Researchers from England's University of Warwick and the University of Queensland... More »

Weird Study Says You Shouldn't Drink Coffee After a Concert

It could slow your ears' healing: scientists

(Newser) - Scientists who were apparently in desperate need of a research topic have a tip for concert-goers: Don't drink coffee for a while afterward. Based on their new study , it could hurt your hearing. How does one go about studying such a thing? Well, scientists at the McGill University Auditory... More »

Scientists Find a Mouse That Gets Periods

Spiny mouse could help in researching human conditions

(Newser) - Just 1.5% of mammals menstruate and 99.9% of those are primates. That's why scientists are amazed by the spiny mouse—the first rodent shown to menstruate with a cycle remarkably similar to humans, according to a study that still needs to be peer-reviewed. Researchers at Monash University... More »

Your Wine Glass Could Be Getting You Drunk

Large glasses encourage people to drink more, faster: study

(Newser) - There may be an easy way to limit how much wine you drink: drink from a small glass. In what the Daily Express reports is important news for anyone who'd rather their guests not guzzle their entire wine stash, University of Cambridge scientists found drinking wine from large glasses... More »

Strong Chemo Plus Stem Cell Transplant May Halt MS

Study used extremely small sample size, but results are encouraging

(Newser) - The sample size was quite small, but research on patients with multiple sclerosis shows promising results on stopping the progression of the incurable disease that causes the immune system to attack the coating around nerve fibers (and the fibers themselves) in the brain and spinal cord, the BBC reports. Per... More »

Your Fish Might Recognize You

Archerfish shown to distinguish between human faces

(Newser) - Be careful who you call "fishbrain." The insult might actually be a compliment, based on a new study in Scientific Reports . For the first time, scientists have discovered that a species of fish can distinguish between human faces—something once thought possible only among primates with large, complex... More »

Smog Is Bad for Your Blood Pressure, Too

Stay inside on smoggy days, scientist suggests

(Newser) - You probably don't need another reason to dislike smog, but here goes anyway: It can raise your blood pressure. "We discovered a significant risk of developing high blood pressure due to exposure to air pollution," such as coal burning, vehicle exhaust, and dirt and dust in the... More »

Scientists Aim to Grow Human Organs in Farm Animals

But critics say 'chimera embryos' are an ethical mess

(Newser) - A handful of scientists may be blurring the line between human and animal as they work toward creating embryos that are a combination of both, NPR reports. Their goal is to grow human organs in farm animals for transplant into terminally ill patients—but the work is "ethically charged,... More »

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