Universe's stringy birth revealed by young Czech scientist in EURYI winning project
...e infinite tower of oscillatory modes of a string, each of them representing different particle species, Schnabl said. As Schnabl observed, string field theory, by explaining also how quantum mechanics is compatible with general relativity, is essential for understanding what goes on in situations where b...New survey documents the headaches of computerized medicine
...eventable drug-related injuries occur in hospitals each year, the Institute of Medicine of the National Academies reported last year, and illegible handwritten prescriptions figure in a significant share of them. Prescriptions ordered electronically are safer and, combined with decision support tools, aut...Unknotting DNA clue to cancer syndrome
...omosomes became more promiscuous in combining with each other as they attempt to repair breaks in the DNA.... Both yeast and human cells contain two copies of each chromosome, one from each parent. During the cell division cycle, each chromosome gets copied, so fo......equency along a track, many foci appear to repulse each other within the first 30 minutes after irradiation" a suggestion that they might be moving to specific regions of the nucleus. Costes and his colleagues applied the same kinds of models and measurements to gamma rays and found that whereas the m...Success or failure of antidepressant citalopram predicted by gene variation
...tanding of which treatments are likely to work for each patient. Results of the study are in the August is...smitters that enable the cells to communicate with each other. The discovery that a variation in a serotonin-related gene could affect response to citalopra...Handicapping tuberculosis may be the way to a better vaccine
...uring HIV infection, and more than 1.6 million die each year from this disease. In addition, resistance to current treatments is becoming increasingly common, making an effective vaccine all the more crucial. Were very excited because this is the first vaccine strain weve ever seen that is significantly ...New grants bolster efforts to generate faster and cheaper tools for DNA sequencing
..., Aug. 1, 2007 Looking ahead to a future in which each persons genome can be sequenced as a routine part ...s to tailor diagnosis, treatment and prevention to each persons unique genetic profile. The new grants will fund eight investigators to develop revolutio...U-M researchers find family of 'on switches' that cause prostate cancer
...at pieces of two chromosomes can trade places with each other and cause two genes to fuse together. The fu...and potentially needs to be treated differently in each patient, says lead study author Arul Chinnaiyan, M.D., Ph.D., director of the Michigan Center for Tr...Under magnetic force, nanoparticles may deliver gene therapy
...articles into arterial smooth muscle cells. Inside each cell, the DNA separated from the particle, entered the cell nucleus, and produced enough adiponectin to significantly reduce the proliferation of new cells. In a practical application, such nanoparticles could be magnetically directed into stents, ...Reading a face is tricky business
...ere shown for 30 milliseconds immediately prior to each surprise face. The expressions of surprise could be interpreted as positive (the sudden arrival of a friend) or as negative (a sudden violent act). Each was rated as extremely positive, moderately positive, mildly positive, mildly negative, modera...Investigating antibiotic use in acute care patients
..., Dr James Chin, says it is commonly believed that each time an antibiotic is used only pathogens or disease-causing bacteria will be killed. "Antibiotic use in hospitals is often perceived to be solely directed against only bad bacteria. "In reality, antibiotics also act against entire microbial comm...Discovery in plant virus may help prevent HIV and similar viruses
... where those tasks are performed. "The two genes each may have specialized functions depending on where they are activated in the plant," he said. "In some tissues the genes appear to be turned on in the same place. But, for example, in the flower, one gene is expressed in one particular place and the o...American Chemical Society's Weekly PressPac -- July 25, 2007
...cientific reports from scientists around the world each year. The reports include discoveries in medicine, health, nutrition, energy, the environment and other fields that span sciences horizons from astronomy to zoology. Podcaster for Science Elements is Steve Showalter, Ph.D., a chemist at the U. S. Dep...Geisinger scientist seeks cure for Lou Gehrig's disease, creating device to find treatment
...ersity biomedical engineering students. Yet theyre each playing a critical role in clearing a major roadbl... people in the U.S. are diagnosed with the disease each year, according to the National Institutes of Health. Its an aging-related disease that has long ...Research teams uncover risk genes for multiple sclerosis
... where were looking at many genes contributing and each one contributing just a little bit, we need a very large group of patients and controls, said Oksenberg, who, along with Hauser, worked on both the consortium research and the study for the Nature Genetics paper. Were looking for genetic markers that...Learning to evolve: With a little help from my ancestors
...ss is measured in terms of the number of offspring each individual has. Crucially, the beneficial effect...ial neural networks. Unlike computers, which store each item of information in a specific location in the computer's memory chip, neural networks store each...News tips from the Journal of Neuroscience
...y release events occurred at random times and that each event caused a spike unless the fiber was refractory. Their results suggest that spontaneous release from the ribbon can be described as a homogeneous stochastic process with interevent distributions composed of an exponential and gamma component, wi...Waters off Washington state only second place in world where glass sponge reefs found
...aurant," he says. The Washington sponge reefs are each hundreds of feet in length and width. It's possible that the state has reefs comparable to the Canadian reefs that are miles in length, Johnson says. The glass sponge reefs on the continental shelf west of Grays Harbor appear to be thriving on speci...Caffeine and exercise can team up to prevent skin cancer
...e United States with more than 1 million new cases each year. A research team at Rutgers, The State University of New Jersey, showed that a combination of exercise and some caffeine protected against the destructive effects of the suns ultraviolet-B (UVB) radiation, known to induce skin cancer. The caffei...Strains of laboratory mice more varied than previously thought
...viously assumed to be. It appears they differ from each other to a far greater degree than do the pedigrees between humans and chimpanzees. The research, published online July 29 in the journal Nature Genetics and slated for the September print issue, could have major implications for the interpretatio...