In the News
Mental Illness And Drug Addiction May Co-occur Due To Disturbance In P
Why do mental illness and drug addiction so often go together? New research reveals that this type of dual diagnosis may stem from a common cause: developmental changes in the amygdala, a walnut-shaped part of the brain linked to fear, anxiety and other emotions. A new study finds rats with amygdalas damaged at birth showed abnormal adult behavior related to fear plus greater cocaine sensitivity. Too Much Fructose Could Leave Dieters Sugar Shocked
Dieters should focus on limiting the amount of fructose they eat instead of cutting out starchy foods such as bread, rice and potatoes, report researchers, who propose using new dietary guidelines based on fructose to gauge how healthy foods are. Researchers Probe How An Ancient Microbe Thrives And Evolves Without S
In a paper published in this week's Proceedings of the National Academy of Sciences (PNAS), MBL scientists Irina R. Arkhipova and Matthew Meselson provide evidence that suggests bdelloid rotifers--which probably gave up sex at least 50 million years ago but have still evolved into 370 species--handle DNA transposons more efficiently than other asexual species. Lighter Higgs Particle? Physicists Make New Precise Measurement Of Mas
Scientists at Fermilab announced the world's most precise measurement by a single experiment of the mass of the W-boson, the carrier of the weak nuclear force and a key parameter of the Standard Model of particles and forces. The new W-mass value leads to an estimate for the mass of the yet-undiscovered Higgs boson that is lighter than previously predicted, in principle making observation of this elusive particle more likely by experiments at the Tevatron particle collider at Fermilab. U. Of Colorado Study Shows Early Earth Atmosphere Hydrogen-rich, Favor
A new University of Colorado at Boulder study indicates Earth in its infancy probably had substantial quantities of hydrogen in its atmosphere, a surprising finding that may alter the way many scientists think about how life began on the planet. The War: Then and Now
Collection of news stories and feature articles related to Ken Burns' September 2007 documentary series, "The War,"about personal experiences of World War II. Includes articles on San Francisco area World War II relics and monuments, personal experiences, reviews of the series, podcast interviews with Ken Burns, historic newspaper front pages, and related material. From the San Francisco Chronicle. Poly/mono Balance Important To Cholesterol-lowering Diet
In the search for the best fats for a heart healthy diet, trans- and saturated fats have long been recognized as undesirable and those that contain polyunsaturated fatty acids (PUFAs) and mono-unsaturated fatty acids (MUFAs) are preferred -- with no clear benefit demonstrated for higher levels of either the PUFAs or the MUFAs within recommended limits. Diet And Lifestyle Changes May Help Prevent Infertility From Ovulatory
Women who followed a combination of five or more lifestyle factors, including changing specific aspects of their diets, experienced more than 80 percent less relative risk of infertility due to ovulatory disorders compared to women who engaged in none of the factors, according to an article in Obstetrics &Gynecology. Joining Forces: Scientists Use Peptides And Lipopeptides To Fight Bact
The "resistance movement"founded by bacteria to combat antibiotics may be losing ground. By combining key properties of two different types of weapons used by the innate defense systems of organisms, a team of scientists at the Weizmann Institute of Science has managed to design a more powerful weapon, hoping that this will provide a basis for novel and more effective antibiotics. [Scary] Pregnant woman says 'maternal instinct' helped her kill attack
FORT MITCHELL, Ky. - A pregnant woman who killed her attacker said a maternal instinct helped her fight off the woman who investigators believe was after her unborn child."I do believe that I fought harder because it was for my child,"Sarah Brady told ABC's "Good Morning America"in interviews aired Sunday and Monday. "It is a maternal instinct to protect your child to the very end."Katherine Smith, 22, died Thursday after luring Brady to her apartment to pick up a package supposedly delivered to the wrong address. When Smith pulled out a knife and attacked the pregnant woman, Brady fought back, striking Smith on the head with an ash tray and stabbing her three times with her own knife, police said. Brady, 26, said she didn't know Smith before the two met at Smith's apartment and can't be certain why Smith wanted to kill her."I really am not sure what was going through her mind,"Brady told ABC. "The only thing I thought was that she was going to kill me and my child and that is the only thing that ran through my mind."
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