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oo much selenium can increase your cholesterol
A new study from the University of Warwick has discovered taking too much of the essential mineral selenium in your diet can increase your cholesterol by almost 10%.   view more (2009-11-13)

Teens' mental health affects how long they stay in school, new study shows
Queen's University researcher Steven Lehrer has won a prestigious international award in recognition of his contributions to health economics.   view more (2009-11-13)

Can a plant be altruistic?
The concept of altruism has long been debated in philosophical circles, and more recently, evolutionary biologists have joined the debate.   view more (2009-11-11)

Improving security with face recognition technology
A number of U.S. states now use facial recognition technology when issuing drivers licenses. Similar methods are also used to grant access to buildings and to verify the identities of international travelers. Historically, obtaining accurate results with this type of technology has been a time intensive activity.   view more (2009-11-10)

Sights and sounds of emotion trigger big brain responses
Researchers at the University of York have identified a part of the brain that responds to both facial and vocal expressions of emotion.   view more (2009-11-03)

For gay and straight men, facial attraction operates similarly
A new study from a researcher at Harvard University finds that gay men are most attracted to the most masculine-faced men, while straight men prefer the most feminine-faced women.   view more (2009-11-02)

Angry faces: Research suggests link between facial structure and aggression
Angry words and gestures are not the only way to get a sense of how temperamental a person is. According to new findings in Psychological Science, a journal of the Association for Psychological Science, a quick glance at someone's facial structure may be enough for us to predict their tendency towards aggression.   view more (2009-11-02)

Study spotlights efficacy of questionnaire to identify patients at high risk for lung cancer
A study featured in the November issue of the Journal of Thoracic Oncology confirms the success of a simple questionnaire designed to identify patients at high risk of lung cancer.   view more (2009-11-02)

Is my robot happy to see me?
People are social creatures. Robots - not so much. When we think of robots, we think of cold, metallic computers without emotion.   view more (2009-10-20)

Infants able to identify humans as source of speech, monkeys as source of monkey calls
Infants as young as five months old are able to correctly identify humans as the source of speech and monkeys as the source of monkey calls, psychology researchers have found.   view more (2009-10-20)

Intelligent system to help autistic children recognize emotions
Computer scientists from Nanyang Technological University in Singapore are working on the development of an efficient and intelligent facial expression recognition system.   view more (2009-10-20)

Migraine sufferers more prone to hangover headache
Migraine sufferers, beware. You may be more prone to an alcohol-induced headache after a night of drinking, according to researchers from the Jefferson Headache Center. The research will be presented at Neuroscience 2009, the Annual Meeting of the Society for Neuroscience, in Chicago.   view more (2009-10-19)

Oh, brother, it's true: Plants can recognize their siblings and now we know how
Plants may not have eyes and ears, but they can recognize their siblings, and researchers at the University of Delaware have discovered how.   view more (2009-10-15)

Tiny but adaptable wasp brains show ability to alter their architecture
For an animal that has a brain about the size of two grains of sand, a lot of plasticity seems to be packed into the head of the tropical paper wasp Polybia aequatorialis.    view more (2009-10-15)

Conservation targets too small to stop extinction
Conservation biologists are setting their minimum population size targets too low to prevent extinction.    view more (2009-10-14)

Packages of care for epilepsy in low- and middle-income countries
In the second in a six part series on treating mental health problems in resource-poor settings, Caroline Mbuba and Charles Newton (Centre for Geographic Medicine Research, Kenya Medical Research Institute, Kilifi, Kenya) discuss "packages of care" for treating epilepsy.   view more (2009-10-13)

Police sketch artist evolves
Criminals are having a harder time hiding their faces, thanks to new software that helps witnesses recreate and recognize suspects using principles borrowed from the fields of optics and genetics.   view more (2009-10-06)

Race has little effect on people's ability to spot family resemblances
Scientists have ample evidence that individuals use a variety of cues to identify their own kin. People can also detect resemblances in families other than their own. A new study shows that their success in doing so is the same, whether or not those families are the same race as themselves.   view more (2009-09-22)

Under Pressure: The Impact of Stress on Decision Making
We are faced with making decisions all the time. Often, we carefully deliberate the pros and cons of our choices, taking into consideration past experiences in similar situations before making a final decision.   view more (2009-09-16)

Barcoding endangered sea turtles
Conservation geneticists who study sea turtles have a new tool to help track this highly migratory and endangered group of marine animals: DNA barcodes.   view more (2009-09-15)
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