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WEDNESDAY, NOVEMBER 25, 2009
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NEWS ABOUT: scientific study

scientific study stories: 146 news summaries

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Color Me Productive: Red Boosts Focus, Study Finds

Blue, meanwhile, looks to enhance our creativity

Feb 5, 09 5:45 PM CST
(Newser) - The color red boosts performance on detail-oriented work, while blue enhances creativity, Wired reports. A new study primed subjects with the colors before assigning them different tasks, and the results appear to confirm previous research that links red to caution and attention. “Think about red, and what comes to... More »

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science • scientific study • red • attention • blue • color

Acidic Oceans Could
Confuse Fish: Study

Global warming hiking up oceanic acidity levels

Feb 3, 09 9:00 AM CST
(Newser) - Climate change could be a disaster for marine life, a new study finds. As the atmosphere fills with CO2, the ocean absorbs it, and becomes more acidic, Wired reports, and clownfish, which navigate by scent, lose their ability to do so in water as acidic as the ocean is expected... More »

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climate change • ocean • fish • scientific study • acidification

 Dolphins: Chefs of the Sea 


Jan 31, 09 11:56 AM CST
(Newser) - A bottlenose dolphin that researchers have been tracking since 2003 follows a complex regimen when preparing a meal of cuttlefish, National Geographic reports. The female dolphin, caught on tape off the coast of Australia, first kills the squid-like creature, shakes it to remove indigestible ink, and then scrapes its... More »

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Australia • scientific study • dolphins • marine mammals • learned behavior • cuttlefish • feeding

Sticks, Stones Break Bones, But Odd Names May Jail You

Boys with uncommon monikers act out more

Jan 29, 09 10:06 AM CST
(Newser) - The more unusual a teenage boy’s name is, the more likely he is to run afoul of the law, a study finds. Irrespective of race, uncommon names like Ivan, Malcolm, and Alec—as opposed to Michael or David—more often belong to kids who act up, researchers say. It’... More »

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male • male brain • name • scientific study • teenager • juvenile crime

(Newser) - A sixth former NFL player has been diagnosed posthumously with a rare brain disease, lending credence to claims that concussions sustained playing football can have a cumulative, even deadly, effect, the Tampa Tribune reports. Tom McHale, who played for the Buccaneers, died from an overdose of painkillers and cocaine... More »

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NFL • football • concussions • Tampa Bay Buccaneers • brain injuries • scientific study • medical study • head injuries • Tom McHale • chronic traumatic encephalopathy

 Wallflower or 
 Life of the Party? 
 It's in Your Genes 

Study of twins finds genetic link to social position

Jan 27, 09 7:31 AM CST
(Newser) - Whether a person becomes a wallflower or social butterfly and what group of friends they develop is apparently significantly affected by their genes, National Geographic reports. Scientists examined social groupings of more than 1,000 pairs of teenage twins and discovered that identical twins, who share the same genes, were... More »

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social networking • twins • genes • popularity • scientific study • social behavior

Single Nerve
Cell Can Hold a Memory: Study

New findings may shed light on addiction, memory disorders

Jan 26, 09 12:04 PM CST
(Newser) - Individual neurons in the brain can hang on to memories for a minute or longer, a new study finds. Something like a computer’s temporary random access memory (RAM), this working memory is what allows you to keep a phone number in your head for a few seconds, then forget... More »

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memory • addiction • cognitive science • dopamine • scientific discoveries • scientific study • neurons • short-term memory • working memory

(Newser) - In news that may affect diets in China, a recent study says women who down more calories—cereal especially—are more likely to give birth to boys, NPR reports. One statistician questions the survey of 740 moms, saying "the female has nothing to do with the gender of the... More »

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pregnancy • diet • biology • scientific study

Coffee Each Day May
Keep Alzheimer's Away

3-5 cups per day seen to reduce chance of Alzheimer's by up to 65%: study

Jan 15, 09 5:31 PM CST
(Newser) - Researchers don’t quite know why, but a new study suggests that moderate coffee intake dramatically reduces the likelihood of Alzheimer’s disease, AFP reports. A 20-year Finnish study of 1,409 subjects shows middle-aged people who drink 3-5 cups a day are 60% to 65% less likely to contract... More »

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diabetes • coffee • caffeine • Finland • antioxidants • scientific study • Alzheimer's Disease • nervous system

 Caffeine Linked to Hallucination 

Drinking 3+ cups of strong joe triples chances of hearing or seeing things: study

Jan 14, 09 1:59 PM CST
(Newser) - People with high caffeine intake are three times more likely to experience hallucinations, including voices, visions, and ghosts, LiveScience reports. A study found that subjects who consumed three cups of brewed coffee, or seven of instant, were more prone to freaking out than their temperate brethren. Researchers think caffeine’s... More »

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coffee • caffeine • stress • hallucination • scientific study • cortisol

(AP) - The length of a man's ring finger may predict his success as a financial trader, the AP reports. Researchers at the University of Cambridge in England report that men with longer ring fingers, compared to their index fingers, tended to be more successful in the frantic high-frequency trading in the... More »

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finances • research • scientific study

 Brain Scans 
 Prove Love 
 Can Last 


Brain scans show some couples really do keep things fresh

Jan 4, 09 10:53 AM CST
(Newser) - It looks like conventional wisdom was wrong, and the old songs were right: You really can bring back that loving feeling. Or at least some people can, the Times of London reports. About one in 10 couples in 20-year relationships still showed the same brain responses to pictures of their... More »

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love • relationship • scientific study • brain scans • couples • brain chemistry

(Newser) - If you ended your holiday visit home with frayed nerves, blame your brain, not your brother's snoring, Discovery reports. Family members prompt activity in a different part of the brain from friends and strangers, a new study shows. Researchers used MRIs to look at subjects' brains while they viewed photos... More »

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parents • family • brain • research • siblings • MRI • scientific study

A Tipple a Day Keeps Dementia at Bay: Study

Daily glass of wine improves female
brain, delays decline

Dec 28, 08 5:25 PM CST
(Newser) - A little wine with dinner can make women smarter and even help them stave off dementia, the Daily Telegraph reports. Scottish scientists served up vino for thousands of subjects aged 70 to 84, and found women who drank up to a glass a day performed better on mental tests. Men... More »

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dementia • wine • cognitive decline • scientific study

 Did Volcanoes 
 Drive Dinos to 
 Extinction? 

Scientists question 30-year-old crater theory

Dec 17, 08 2:51 PM CST
(Newser) - Colossal, repeated volcanic eruptions in India 65 million years ago released sulfuric gases that sent the dinosaurs, well, the way of the dinosaurs, reports the San Francisco Chronicle. A group of scientists at a Bay Area conference this week is questioning the decades-held theory that a meteor killed off dinosaurs.... More »

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India • Mexico • science • Earth • dinosaur • meteorites • volcanoes • scientific study

Amish Gene May
Help Protect Heart

Missing gene could keep triglycerides low

Dec 12, 08 4:41 PM CST
(Newser) - About 5% of Pennsylvania Amish have a rare genetic mutation that makes them less susceptible to cardiovascular disease, Reuters reports. A new study shows that the 5% lack a second copy of a gene that inhibits the breakdown of harmful fats, or triglycerides, in the bloodstream that can harden and... More »

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heart disease • Pennsylvania • genetic mutation • heart attack • Amish • heart health • scientific study • triglyceride

 Cancer Cases, Deaths Drop 

Trend, ongoing since beginning of decade, linked to less smoking

Nov 25, 08 6:02 PM CST
(Newser) - Cancer researchers reported a good-news milestone today: Both the number of new cases and the number of cancer deaths are declining for the first time, USA Today reports. Scientists gave most of the credit to a drop in the number of smokers. “By preventing smoking, you can give someone... More »

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cancer • American Cancer Society • lung cancer • smoking • medical research • National Cancer Institute • scientific study • death rates

 Migraines Lower 
 Breast Cancer Risk: Study 

Researchers see low estrogen levels as common denominator

Nov 6, 08 2:18 PM CST
(Newser) - A history of migraine headaches can reduce a woman’s risk of breast cancer, Reuters reports. The odd correlation has emerged from research done by cancer doctors in Seattle. “Overall, women who had a history of migraines had a 30% lower risk of breast cancer compared to women who... More »

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breast cancer • migraines • estrogen • hormones • menopause • headaches • scientific study

Light Drinking in Pregnancy May Actually Help Babies

Study finds small advantages for boys whose moms imbibed

Oct 31, 08 11:05 AM CDT
(Newser) - An occasional drink during pregnancy not only doesn't hurt babies, a British study has found, it may even benefit them. Moms who did a little imbibing—say, a drink a week—saw substantially lower risks of hyperactivity and behavior problems in boys by the age of 3, the Guardian reports.... More »

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pregnancy • alcohol • toddler • fetal alcohol syndrome • scientific study • gestation

It's a Fine Line Between Love, Hate in the Brain

But hate appears to be a more calculating, rational emotion

Oct 29, 08 1:47 PM CDT
(Newser) - Areas of the brain involved in hatred are also activated by love, a study suggests. Researchers took images of brain activity when subjects looked at a photo of someone they despised, ABC News reports. While not identical, the pattern of brain activation those images triggered involved some of the same... More »

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love • brain • neuroimaging • emotion • fMRI • scientific study

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