New findings support a central role for NMDA receptors in learning and memory
...h behavior and therefore play central roles in our daily experience. That there exists a physical basis for these processes seems at first hard to imagine--except for the fact that physical disruptions in the brain, such as stroke or disease, can make them go wrong. This week, researchers report that by ma...Winners of AIBS Media Awards announced
...es stories. She started out at Science editing the daily online news site ScienceNOW. She holds a Ph.D. in cognitive neuroscience from the University of California at Berkeley and went through the U.C. Santa Cruz science writing program. DENNIS O'BRIEN Dennis O'Brien has been a reporter at the Baltimo...Scientists use transcription factors to increase insulin production in diabetic mice
...slet transplantation. However, the former involves daily injections and the latter requires life-long immunosuppressive therapy and is limited by tissue supply. An alternative way to increase the amount of insulin circulating in the body is to enhance insulin gene transcription which in turn results in an...Report proposes structure for national network of cord blood stem cell banks
... as a new Cord Blood Coordinating Center to manage daily operations of cord blood banking and allocation na...oped several of the components necessary to manage daily coordination of banking and allocation on a large scale, no organization currently has all the neces...Protective effect of calcium in reducing colon cancer polyps lasts for years
...o either 1200 mg. of elemental calcium supplements daily for four years, or to a placebo medication. Result...s learned that patients who had been randomized to daily use of the mineral during the trial had a significant reduction (36 percent) in the development of n...PNAS highlights for the week of April 18 - 22
...th of more than 200 middle-aged Londoners in their daily lives. The authors found that those who reported more everyday happiness had healthier biological functions in a few key systems. For one, the happier subjects had lower levels of cortisol, a stress hormone related to conditions such as type II diabe...Genetic changes in breast tissue caused by pregnancy hormone helps prevent breast cancer
...search. The study used virgin rats treated with a daily hCG injection compared to untreated virgin rats. "Our results show that hCG induces permanent genetic changes in the mammary gland that are related to its breast cancer prevention effect," said Wang. In addition to Irma Russo, Wang's Fox Chase co-aut...Green tea shown to prevent prostate cancer
... cancer was diagnosed among those receiving 600 mg daily of GTCs, while nine cases were found in the untrea... one or two times the amount of green tea consumed daily in China, where ten to 20 cups a day is normal. "We still don't know enough about the biological p...A healthy internal clock keeps weight off
...The mice have defective Clock genes that control daily rhythms in the brain and throughout the body, incl... the mice reset their biological clocks, just as a daily walk might help a person sleep better at night. In repeated round-the-clock measurements, the resea...A decade after launch, ERS-2's mission continues
...ion Monitoring Internet Service (TEMIS), providing daily ozone, ultraviolet and air pollution monitoring. "The GOME instrument on ERS-2 has given us more than we ever dreamed of," explains Professor Paul Crutzen of the Max Planck Institute in Germany, winner of the 1995 Nobel Prize for his work on ozone. ...ESA at the European Geosciences Union General Assembly
...he coming months. Evening Townhall Speeches are a daily feature of the EGU General Assembly. On Wednesday 27 April ESA Science Director David Southwood will give a keynote speech on 'Cosmic Visions: The Long Term European Space Science Programme' together with Marcello Coradini, ESA Solar Systems Mission ...Live faster, die younger: The shortest-living vertebrate
..., which contain minerals layed down in layers on a daily basis (similar to the annual rings of a tree), Martial Depczynski and David Bellwood of James Cook University studied the life cycle of the pygmy goby on the Great Barrier Reef. Hatching from minute eggs that are vigorously defended by the father, th...Ophthalmologists implant five patients with artificial silicon retina microchip
...ents have experienced improvement in activities of daily living such as improved ambulation-not bumping into objects around the house, and reading the time on a clock." Still in Phase II clinical trials, Pollack cautions it is still too early to determine what percentage of patients might experience improv...Prenatal cocaine exposure exerts subtle effects on schoolchildren
...from rural areas of north Central Florida. Average daily cocaine use among the 154 mothers who used drugs throughout pregnancy was $32.70, the cost equivalent of approximately three rocks of crack cocaine. Of that group, one quarter were considered "heavy users." "We have found in our developmental studies...Science, AAAS select two for new minority internship
... stories for the journal or for Science Now , the daily online news service of Science . The internship is part of a wider effort by AAAS and the general scientific community to diversify the voices of science news reporting. Since science is a global enterprise that affects everybody, those who cover i...Satellites monitoring dust storms linked to health risk
... of an early warning system. The maps are based on daily images from the Meteosat Visible and InfraRed Imager (MVIRI) aboard the ESA-built Meteosat-7 geostationary weather satellite. "The dust maps have been very useful so far," Jeanne added. "There have been no meningitis outbreaks this year - fortunatel...Drug lowers inflammatory markers associated with risk for heart attack
...dose of DG031, when administered as 250 mg 3 times daily resulted in a 38 percent reduction in CRP levels, as well as a 31 percent reduction in myeloperoxidase levels measured 6 hours after dosing on day 8. In both studies, the FLAP inhibitor DG-031 was well-tolerated and was not associated with any seriou...Clincal trials indicate NEXIUM can reduce upper GI symptoms in patients using NSAIDS
...t in the upper abdomen associated with continuous, daily use of non-steroidal anti-inflammatory drugs (NSAIDs), including selective COX-2 inhibitors. In the trials, NEXIUM 20 mg and 40 mg significantly improved upper GI symptoms in patients taking NSAIDs, including selective COX-2 inhibitors, versus pla...Plunge into warmer waters this summer with ESA's Mediterranean heat map
...65 500 square kilometres of the Mediterranean on a daily basis. An updated map of the sea surface temperature (SST) of the world's largest inland sea is generated every day as part of ESA's Medspiration project, with an unprecedented spatial resolution of two square kilometres, high enough to detect detail...Cigarette smoke exacerbates alcohol's effects on defense against Streptococcus pneumoniae
...searchers exposed Sprague-Dawley rats (n=64) twice daily to either smoke generated from 30 cigarettes or room air. For the last five weeks of exposure, rats were fed liquid diets that contained 0, 16, 26 or 36 percent of their calories as alcohol. The rats were then infected intranasally with S. pneumon...