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Argonne scientists discover new class of glassy material
Scientists at U.S. Department of Energy's Argonne National Laboratory are dealing with an entirely new type of frustration, but it's not stressing them out.   view more (2008-07-29)

CT scan reveals ancient long-necked gliding reptile
The fossilized bones of a previously unknown, 220 million-year-old long-necked, gliding reptile may remain forever embedded in stone, but thanks to an industrial-size CT scanner at Penn State's Center for Quantitative Imaging, the bone structure and behavior of these small creatures are now known.   view more (2007-06-13)

Chronic exposure to stress hormone causes anxious behavior in mice: can lead to mood disorders
Neuroscientists at Harvard Medical School and its affiliate Mclean Hospital have shown that long-term exposure to stress hormone in mice directly results in the anxiety that often comes with depression.   view more (2006-04-18)

Nicotine exposure during development leads to hearing problems
Scientists know that children of women who smoke during pregnancy can develop hearing-related cognitive deficits. For the first time, researchers believe they have evidence that not only implicates nicotine as the culprit, but also shows what the substance does to the brain to cause these deficits.   view more (2006-07-19)

Uncertainty Can Be More Stressful Than Clear Negative Feedback
We are faced with uncertainty every day. Will our investments pay off? Will we get the promotions we are hoping for? When faced with the unknown, most people experience some degree of anxiety and discomfort.   view more (2008-11-20)

Study highlights risky behavior, lack of care among HIV-infected crack users
Doctors who treat HIV-infected crack users refer to them as "the forgotten population." A study being presented at this week's International AIDS Conference in Mexico City reveals that these patients frequently lack outpatient health care, do not receive life-saving antiretroviral therapy... view more (2008-08-05)

Sleep disturbances affect classroom performance
As a night of bad sleep can have an adverse effect on an adult's performance at work the next day, an insufficient amount of rest can also have a negative impact on how well middle or high school students perform in the classroom.   view more (2007-02-15)

Humans perceive others' fear faster than other emotions
You may not be fully dressed without a smile, but a look of horror will make a faster first impression. Vanderbilt University researchers have discovered that the brain becomes aware of fearful faces more quickly than those showing other emotions.   view more (2007-10-15)

Adolescents with chronic insomnia report 'twofold to fivefold' increase in personal problems
Documenting a "twofold to fivefold" increase in personal problems among adolescents with persistent sleeplessness, public health researchers at The University of Texas Health Science Center at Houston say they have completed the first prospective study demonstrating the negative impact of... view more (2008-03-24)

Duke study examines evolutionary consequences of bluebird aggression
In findings that may offer insight into how evolution operates, a Duke University evolutionary ecologist reported evidence that aggressive male western bluebirds out-compete less aggressive males for preferred breeding territories.   view more (2006-04-13)

Women in India abused by husbands at far greater risk for HIV infection
India is home to the third-largest number of human immunodeficiency virus (HIV) cases in the world and, as in the U.S. and many African nations, the rate of infection among women continues to rise faster than that among men.   view more (2008-08-13)

Big-brained animals evolve faster
Ever since Darwin, evolutionary biologists have wondered why some lineages have diversified more than others. A classical explanation is that a higher rate of diversification reflects increased ecological opportunities that led to a rapid adaptive radiation of a clade.   view more (2008-08-15)

Ethnic discrimination not only based on prejudice
Our belief in power hierarchies is important in how we view and treat people. This is shown in a dissertation by Alexandra Snellman from Uppsala University that examines how racist and sexist prejudice creates social hierarchies and ethnic discrimination in various situations.   view more (2007-12-05)

Uncertain rainy days make birds turn to family, Cornell study finds
Rather than striking out to raise their family, members of some bird species cooperate to help raise their siblings, nephews, nieces, cousins -- or even unrelated young. Researchers have long noted which factors lead to these seemingly altruistic decisions, but now for the first time, Cornell... view more (2007-08-17)

Small study points to addictive effects of frequent tanning
Frequent users of tanning beds may be getting more out of the experience than darker skin, according to researchers from Wake Forest University Baptist Medical Center.   view more (2006-03-29)

Farewell chicken tenders
For lunch, Joy Hesemann loved to dive into a platter of deep-fried, crunchy chicken tenders with a side of ranch dressing. At night, she'd fry up ground beef for Hamburger Helper or another boxed meal for her family's dinner. Later, she'd plop in front of the TV or computer screen and rip into a... view more (2007-09-06)

Environment influences when drinking begins; genes' role increases in transition to alcohol dependence
The influence of genetics increases as young women transition from taking their first drink to becoming alcoholics.   view more (2008-04-24)

A reason to smile: New immigrants respond best to oral hygiene campaign
Tapping into the desire to have an attractive smile is the best motivator for improving oral hygiene, and new immigrants are the most receptive to oral health messages, according to a new study in the Journal of Consumer Research.    view more (2008-08-25)

Online surveys are less effective than phone surveys
Surveys are more than an annoyance. They are also a useful tool for market researchers, who rely on them to understand our attitudes towards products.   view more (2006-07-19)

Unusual data shed new light on brain and inhibiting behavior
When a child has a problem focusing or acts too quickly with inappropriate behavior, it's enough to drive adults nuts.   view more (2006-08-16)

Study breaks ground in revealing how neurons generate movement
When the eye tracks a bird's flight across the sky, the visual experience is normally smooth, without interruption. But underlying this behavior is a complex coordination of neurons that has remained mysterious to scientists.   view more (2008-04-25)

Scientists discuss evolutionary roots of social behavior
Researchers have long reflected on that most intriguing of evolutionary questions: what led to the emergence of social behavior?   view more (2006-02-21)

UCLA Researchers Discover Link Between Parkinson's and Narcolepsy
Parkinson's disease is well-known for its progression of motor disorders: stiffness, slowness, tremors, difficulties walking and talking. Less well known is that Parkinson's shares other symptoms with narcolepsy, a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep,... view more (2007-05-14)

Nonmedicinal treatment touted for preschoolers with ADHD
Non-medicinal interventions are highly effective in preventing the behavioral and academic problems associated with Attention Deficit Hyperactivity Disorder (ADHD), according to a five-year study led by researchers at Lehigh University's College of Education.   view more (2007-08-22)

The regulation of negative emotions: Impact on brain activity
Emotions play an important role in the lives of humans, and influence our behavior, thoughts, decisions, and interactions. The ability to regulate emotions is essential to both mental and physical well-being.   view more (2008-03-19)
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