Mollusk research center will propagate endangered species
... last year and can produce up to 100,000 juveniles per year depending on the availability of the species," said Neves. While propagation is one of the main objectives of the center, researchers also work on other projects. They are responsible for surveys at the Virginia Department of Transportation brid...ORNL system eliminates perchlorate, helps scientists trace source
... Environmental Protection Agency proposed one part per billion in 2002 as the legal limit for perchlorate in drinking water, but that standard is under debate, Gu said. "The presence of natural or atmospheric perchlorate in the environment obviously has far-reaching ramifications, ranging from...International human genome sequencing consortium describes finished human genome sequence
..., which translates to an error rate of only 1 base per 100,000 base pairs 10 times more accurate than the original goal. The contiguity of the sequence is also massively improved. The average DNA letter now sits on a stretch of 38.5 million base pairs of uninterrupted, high-quality sequence about 47...DFG research training groups become increasingly international
...ciplines since 1990. Between 15 and 25 researchers per Research Training Group work in a research and study programme that is usually interdisciplinary, under the supervision of professors who are distinguished in research and teaching. Approximately six percent of all doctoral students in Germany comple...Babies born after surgery on eggs
...and ICSI had failed, it boosted the pregnancy rate per cycle from 6 to 35 per cent, Tzeng told a meeting of the American Society for Reproductive Medicine in Philadelphia this we...Academics find that the finger of destiny points their way
...he lengths can be small as little as two or three per cent but important. A survey of the finger lengths of over 100 male and female academics at the University by senior Psychology lecturer Dr Mark Brosnan has found that those men teaching hard science like mathematics and physics tend to have index f...New DNA repair enzyme makes mistakes to save lives of cells
...mentary strand. About 1,000 nucleotides are copied per second, and mistakes in the process are rare. Problems in the sequence sometimes arise, such as a wrong or missing base or one that is damaged. If a problem somehow evades detection, it can prevent DNA from being replicated or result in a mutation in...Study demonstrates Cenestin reduces sleep disturbances/night sweats in post-menopausal women
... two incidences of night sweats and/or hot flashes per night. The women, who were post-menopausal for at least six months, or two months if menopause was induced by the surgical removal of the uterus, received a baseline screening including a physical exam, medical and sleep history, and completed a two...Study at Joslin shows ease of introducing technology to kids with diabetes
...ked to check their blood glucose levels four times per day, upload their blood glucose readings, insulin doses, and carbohydrate intake into the PDA, and transmit the data daily. The Game Group participants, however, were instructed to access DiaBetNet before taking their fourth daily blood glucose readi...Bug's-eye-view of urinary tract reveals E.coli infection genes
...40 mice in the study. Eight hours of mouse massage per day produced about 15 milliliters (one-half ounce) of urine, which Snyder processed immediately to stabilize the RNA before it could degrade. After 10 days, Snyder processed the collected RNA to create DNA copies of the RNA molecules. Working with c...Predicting infection risk of mosquito-borne disease
...ber of times an infectious mosquito bites a person per day -- is flawed. The distribution of humans and suitable habitat for mosquito larvae varies across the landscape. And the density of mosquito populations varies seasonally, rising and falling with changes in rainfall, temperature, and humidity. Tem...Munching microbes could cleanse arsenic-contaminated groundwater
... "Concentrations may reach hundreds of micrograms per liter in one well which is enough to make people very sick but fall below detection limits in a nearby well." The concentration of arsenic varied inversely with the concentration of sulfate, the researchers found. Methane concentration also varied...Study: Inadequate physical activity worsens as teenagers become adults
...teens engaged in more than 14 hours of screen time per week. Of those who had the recommended 14 or fewer... or more sessions of significant physical activity per week failed to do so as adults. Conversely, fewer than 1 million teens exercised enough and continu...Warning from new SLU research: Usual test for vitamin deficiency can mislead doctors
...antly, it is very easy to treat by taking one pill per day for life. We need to do a better job of detecting the problem." Thomas and his Saint Louis University colleagues, Laurence J. Kinsella, M.D., associate professor of neurology, and Jamie T. Haas, M.D., a neurology resident, found that the ...Common household fragrances may be harming aquatic wildlife, study finds
...y low concentrations of synthetic musks--300 parts per billion or less. After two hours, the gills were removed and washed. To see if this short-term exposure affected the animal's defense system, the gills were placed in musk-free water with a special red fluorescent dye. Under normal conditions, an eff...Findings challenge Darwinian theory
...till be important for evolution. They are 35 to 50 per cent as common as genetic variation, at least when it comes to the evolution of asymmetric forms" Dr. Palmer said. He was able to synthesize published evidence showing that the current 'genotype-precedes-phenotype' theory of evolution only explains a...Gene linked to enlargement of the factory where proteins are processed
...size, fold and release thousands of these proteins per minute, in response to an infection. Brewer is senior author of the paper. The researchers made their findings in mouse cells called fibroblasts. They inserted the gene for XBP1 into a virus and used the genetically modified virus to transfer the ge...Researchers tracking sources of arsenic contamination in water
...rinking water has been lowered from 50 to 10 parts per billion, which is the same as the European Union standard, said Madeline Schreiber, assistant professor of geosciences. She and associate professor of biology Maurice Valett are lead investigators on a National Science Foundation-funded project that ...Scientists raise concerns about second wave of 'mad cow' prion infection
... who may be harboring the infection in the UK, 237 per million, is a minimum estimate and may be too low. The U.S. has a number of measures in place to protect blood safety, he said, but stated that it is not possible to remove every blood risk by donor deferral. "If we attempt to defer every donor who......a severe form of colon cancer. As many as 20 per cent of colorectal cancer patients have a family history of the disease. The population based study followed 1238 patients with colorectal cancer and 1255 healthy control subjects from Ontario. Compared to non-carriers, the MYH gene carriers h...