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FRIDAY, NOVEMBER 27, 2009
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NEWS ABOUT: scientific study

scientific study stories: 146 news summaries

61 - 80 of 146 Stories | << Prev 1 2 3 4 5 6 7 8 Next >>

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 Counting Chicks 
 Redefine Birdbrain 

Study shows chickens can do basic math

Apr 2, 09 11:35 AM CDT
(Newser) - No dumb clucks, young chickens appear capable of basic arithmetic, Discover reports. Scientists relied on two innate chick traits—an instinct to flock with the biggest group and an attachment to objects—to test the birds’ noggins. After hiding yellow balls of varying numbers behind screens, they released the chicks.... More »

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brain • scientific study • mathematics • chicken • scientific breakthroughs • animal

 Stem Cells 
 Could Cure 
 Deafness 

Researchers believe breakthrough will help reverse hearing loss

Apr 2, 09 6:06 AM CDT
(Newser) - Stem cell researchers have made a breakthrough they believe could someday cure deafness, the Times of London reports. The British team, working with stem cells from the inner ear, have successfully grown early versions of the cells that enable hearing and now aim to create functional cells that can be... More »

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stem cell research • stem cells • hearing loss • deaf people • scientific study

(Newser) - Vinyl flooring has been linked to the development of autism in children, Scientific American reports. A joint US/Swedish study looking into the effects of household contaminants stumbled upon the result, which the researchers and others stressed was preliminary. It “turned up virtually by accident,” said one scientist. He... More »

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autism • Sweden • scientific study • vinyl • PVC • hazardous chemicals • flooring

 Can Tomatoes 
 Grow to Love 
 Shakespeare? 

Brit study puts plants-love-voices theory to the test

Mar 31, 09 4:16 AM CDT
(Newser) - A tomato by any other name might taste as sweet, but will it grow as fast without the sound of a human voice? A new British study intends to find out with recordings of Shakespeare's verse and a poem by John Wyndman. The recordings will be played to the plants... More »

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plants • tomatoes • William Shakespeare • scientific study • horticulture

 Cholesterol Drugs Cut Clot Risk 

Large study looked at other possible drug benefits

Mar 30, 09 11:47 AM CDT
(Newser) - Cholesterol-lowering drugs showed sizable effects on patients in a new study, but not only in the realm of lowering heart attack and stroke risk. The statins, which are sold under the brand name Crestor, also dramatically cut the occurrence of potentially deadly blood clots in healthy people, reports the New ... More »

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medical breakthrough • public health • blood clots • deep vein thrombosis • scientific study • pulmonary embolism • cholesterol-lowering statins

Cartoons Could Help Diagnose Autism in Kids

Study finds differences in how autistic toddlers look at moving images

Mar 30, 09 10:18 AM CDT
(Newser) - The way in which toddlers are drawn to animated movement may help facilitate the diagnosis of autism-spectrum disorders, reports the BBC. In the study, children who were developing normally focused on the half of a split-screen that featured an upright animation; children with signs of autism showed no preference between... More »

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autism • animation • psychology • scientific study

ANALYSIS

 Caffeine: Athletes' 
 Secret Weapon, 
 and Legal, Too 

Caffeine can improve sports ability by 5%

Mar 26, 09 11:08 AM CDT
(Newser) - If Alex Rodriguez had only known. Caffeine is a performance-enhancer that helps athletes go longer and faster, and isn’t a banned substance. Caffeine works by turning fat into extra fuel, releasing calcium stored in muscles, and numbing the brain’s sense of exhaustion. The triple whammy improves performance by... More »

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sports • coffee • caffeine • scientific study • performance-enhancing drugs • performance

(Newser) - The female Gouldian finch can control the sex of her egg to produce the strongest possible offspring, the BBC reports. The species comes in two head colors, red and black, and same-color mates are more compatible. If a female finds herself with a different color mate, her offspring will be... More »

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Australia • birds • eggs • scientific study • sex bias • Gouldian finch • offspring • compatibility

Mushrooms, Green Tea Cut Breast Cancer Risk

Study shows big effect among Chinese women

Mar 18, 09 11:25 AM CDT
(Newser) - A mushroom a day could keep breast cancer away, according to a study that looked at the diets of more than 2,000 Chinese women. Their rates of the disease are four to five times lower than the worldwide average, and part of the reason may be the chemicals that... More »

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China • breast cancer • scientific study • cancer rates • mushrooms • green tea

GLOSSIES

Do Cougars Really Spawn
a Brighter Brood?


Mar 16, 09 11:22 AM CDT
(Newser) - "At last, science has produced the case for cougars," writes Emily Nussbaum in New York. A study analyzing more than 50,000 pregnant women found that older fathers produce progeny that score lower on concentration, memory, and learning tests. Older mothers, on the other hand, are associated with... More »

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genetics • reproduction • science • birth • scientific study • cougar

Finger Length Holds Key to Running Skill

Measure digits to predict aggression, math scores, arthritis

Mar 13, 09 9:29 AM CDT
(Newser) - Boys with ring fingers longer than their middle fingers may be speedier than peers with more symmetrical hands, a study of Qatari adolescents suggests. The speed difference is associated with exposure to testosterone in the womb, LiveScience reports. Finger length can also predict men’s aggression and SAT math scores,... More »

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gender • testosterone • speed • running • scientific study • boy • fingers

 Cut Calories for a Sharper Mind 

Study finds that restricted eating leads to better memory in older adults

Mar 4, 09 12:19 PM CST
(Newser) - It's been shown in rats and monkeys, and now the first human study looking at the effects of calorie restriction on memory also confirms that eating less can improve your brain. A German research team gave 50 older adults a diet with normal nutrients but 30% fewer calories, and found... More »

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memory • diet • aging • calories • scientific study • brain fitness

(Newser) - Just so you know: Navel lint is caused by a unique arrangement of abdominal hairs that are positioned in concentric circles around the belly button and “act like a kind of barbed hooks,” the Telegraph reports. The discovery comes from an Austrian doctor who conducted 3 years... More »

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weird • Austria • scientific study • belly buttons • navel • lint • fluff

(Newser) - Doodling while listening actually increases retention of memory, LiveScience reports. A new study shows that subjects who “mindlessly” sketched while listening to a not-so-interesting phone message remembered key facts 29% more than others instructed to just listen. “It helps to keep us on track with a boring task,... More »

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psychology • neuroscience • scientific study • distraction • attention • doodling

 Fast Thinking 
 Makes People Happy 

Rapid thoughts can make people feel happier

Feb 25, 09 9:16 PM CST
(Newser) - Happy people think fast thoughts, say researchers at Princeton and Harvard. They asked two groups to perform the same tasks—problem-solving, reading, and watching TV—at different speeds. Those forced to move along briskly felt more elated, creative, even powerful, Scientific American reports. The findings suggest a crossword puzzle or... More »

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brain • psychology • dopamine • scientific study • happiness • mood

(Newser) - Tears are more than just an indicator of sadness, Wired reports—they may be the indicator, as far as other people are concerned. People categorize identical images of a face totally differently if tears are present in one photo and digitally removed from the other, a new study found.... More »

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human behavior • crying • emotion • scientific study • sadness • digital imaging • tears

(Newser) - The children of Alzheimer’s sufferers can develop memory problems much earlier than previously believed, according to a large new study. Boston University researchers administered memory tests to a group of middle-aged people, all of whom carried a gene linked to Alzheimer’s, but only half of whom had parents... More »

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memory loss • heredity • scientific study • Alzheimer's Disease

(Newser) - Dog owners who try to tame their pets by acting aggressive themselves will only make matters worse, LiveScience reports. A new study in Applied Animal Behavior Science presents sobering news for advocates of tough love. Those who hit, kick, growl at, or confront their dogs in similar ways are more... More »

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canine behavior • scientific study • dog • aggression • dog training • dominance

(Newser) - A drug usually prescribed for high blood pressure can relieve people of painful memories, the Telegraph reports. Taking the beta blocker drug propranolol, subjects in a Dutch study experienced less fear when reminded of a shocking memory. Researchers said millions of people suffering from emotional disorders or "self-perpetuating memories"... More »

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memory • scientific study • beta blockers • Post Traumatic Stress Disorder

(Newser) - Researchers have tracked the migratory paths of songbirds for the first time, using small data-gathering “backpacks,” the Washington Post reports. The avian wanderers, who are so small they cannot be tagged with transmitters, move about 3 times as a fast as previously thought. The recovered data shows... More »

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Brazil • birds • migration • United States • scientific study • songbird • electronic device

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