Brain differences in adolescents, psychopaths, lend to their impulsive, risk-taking behavior
SAN DIEGO, Oct. 24 -- The next time you find yourself wondering, "Teenagers! Why do they do that?", look to their adolescent brains. New research suggests that the risk-taking behaviors seen in adolescents may be attributed to their still developing brains. Another study explores the brain basis for the...Ophthalmologists and physicists team up to design 'bionic eye'
...o a visual acuity of 20/80--sharp enough to orient yourself toward objects, recognize faces, read large fonts, watch TV and, perhaps most important, lead an independent life. The researchers hope their device may someday bring artificial vision to those blind due to retinal degeneration. They are testing thei...Undesirable expatriates: Preventing the spread of invasive animals
...ng aquarium fish into your backyard pond. Restrain yourself from ordering exotic pets off the Internet, no matter how interesting they might look in the pictures. And vote for politicians that encourage sound port inspection. Because, according to recent Proceedings of the National Academy of Sciences article...Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive
...eone rejects your sexual overtures, you don't harm yourself or the other person. But rejected men and women in societies around the world sometimes kill themselves or someone else. In fact, studies indicate that some 40% of people who are rejected in love slip into clinical depression. Our study may also ...When it comes to sensation, our brain seems tuned to the unexpected
...xplain, for example, why the sensation of tickling yourself feels so much weaker than that of someone else tickling you. The research study reported this week supports this theory. Participants in the study were asked to use a finger on their right hand to tap a finger on their left hand. A computer-controlle...ASM to host 45th ICAAC in New Orleans
... abstract books prior to the meeting. If you find yourself in absolute need of one please contact Carrie Patterson at cpatterson@asmusa.org and we will do our best to accommodate you based on a limited supply. Please note for your calendar that the press room will be open for registration from 12 to 5 on ...Men! Fed up with women faking headaches? Grant yourself lucky that you are not a mosquito fish, as females wouldn't think twice about attacking you when you make a pass at them. As they are not keen on intercourse, females select for strong male genes by attacking those that show them some interest. Ther...Young athletes ignore skin cancer risk
...to turn the skin barely pink. "You've already set yourself up for trouble by not using sunscreen," Dr. Adams said, "and now by sweating you're making it worse. Think about that the next time you see all those men jogging around town without their shirts on. "Nearly 20 years ago when I was in college running ...Caloric restriction won't dramatically extend life span in humans: UCLA research
... maintain a healthy body weight, but don't deprive yourself of all pleasure. Moderation appears to be a more sensible solution. "With mice, if you restrict their caloric intake by 10 percent, they live longer than if they have unlimited access to food," Phelan said. "If you restrict their intake by 20 percen...Alcoholics have a greater chance of infection following cardiac surgery
...with beta-blockers to feel better, or you may kill yourself with them in an act of suicide it's all a matter of dose. Researchers recommend a low dose of alcohol, such as one glass of red wine per day, to prevent myocardial infarction but three bottles of beer per day has been proven to harm the body. In ...Sudden change in social status triggers genetic response in male fish, study finds
...influence how well you can speak, or your sense of yourself may be altered. Those reactions have to have some kind of cellular underpinnings." The study also contributes to a growing body of scientific evidence that fish are more than mindless creatures that instinctively swim about in search of food and...Reflecting on personal values offers protection from effects of stress, UCLA psychologists report
...onic stress," Taylor said. "It's helpful to remind yourself you're a good person with talents, and remind yourself what is important to you; that can be hard to do when you're going through something that's really a...Clinical trial to test stem cell approach for children with brain injury
...and not being able to, or between doing things for yourself or having to rely on others. That would be a huge impact on families and on society," Cox said. Trauma is far and away the main cause of death and disability among children, and the main reason children die from trauma is brain injury, Cox said. The ...Researcher tackles complexities of obesity, diabetes and their age-related complications
...a 'blame the patient' approach of 'you did this to yourself and you can fix it,'" Dr. Hansen said. "That's unfair and inappropriate." There is still much scientists don't know about the complex interaction of genetic and environmental factors that predispose some individuals to obesity while others seem to ea...No place like home: Ant navigation skills used in robot navigation
Next time you find yourself lost despite having a map and satellite navigation, spare a thought for the unfortunate ant that must take regular trips home to avoid losing its way. Dr Markus Knaden, from the University of Zurich, will report that a visit back to the nest is esse...MIT research links cancer, inflammatory disease
...s. Autocrine EGF messages are analogous to mailing yourself a letter. In the case of TNF, cells also mail back the response via another hormone, IL-1. "With what we now understand about the interactions between these two factors, we should aim for increasing the therapeutic value from these drugs," Sorger sai...New survey reveals women's attitudes about feminine health
...ou don't admit to this habit, you could be putting yourself at risk," says Dr. Nardone. "If you feel you have...your lifestyle from your physician, you should ask yourself why. Try to find a health care provider who is of the age, gender and/or viewpoint with which you c...'Uniquely human' component of language found in gregarious birds
...study. "These rules govern how to properly express yourself how to structure your phrases and sentences. Language experts have used properties of these rules, whose complexity is described by the Chomsky hierarchy, "to define the boundaries between humans and other creatures," said Margoliash. "Now we find ...... off a hundred feet away you might want to protect yourself by walking around the corner, I just couldn't help myself," said Ivan Oelrich, Vice President of Strategic Security at FAS. "After three years and millions of dollars, taxpayers should expect a better website from the Department of Homeland Security.......s said. "If you were going to calorically restrict yourself or take green tea or resveratrol every day for years in an effort to prevent aging, wouldn't you like some evidence that these not entirely benign things were having a beneficial effect? Now we have a biomarker that can directly test the effects of s...