Chemical pollution and human sewage could be killing corals
...vironmental stress due to pollution, which in turn decreases the corals resistance to bacterial infection.Healthy corals contain a natural population of bacteria within a mucous-rich biofilm that provides protection from light, exposure and sedimentation, Fouke said. Environmental stresses cause corals to sec...Researchers zero in on date of early hominids
...e transitions, the intensity of the magnetic field decreases dramatically from average values, he added. All of these differences do, however, leave magnetic "fingerprints" on the rocks. And when Levi and Ron took 120 samples from Erk-el-Ahmar into the laboratory, where they demagnetized them to recover their ...Female vulnerability to drugs tied to estrogen, U-M researcher reports
...ding mood swings, improvement in verbal abilities, decreases in spatial abilities, and enhanced sensory and motor functions, including lower thresholds for visual, olfactory and tactile stimuli and more rapid complex motor sequence abilities. Recently, Becker and others have been examining the hormone's impac...Gender issues related to spaceflight: A NASA perspective
...d to have greater increases in heart rate, greater decreases in blood pressure, and less of an increase in peri...s in women after spaceflight or bed rest. Regional decreases in muscle volume were similar in two men and two women after eight days of spaceflight. Some repor......potency is lost. Oct4s tightly regulated activity decreases steadily as embryonic stem cells differentiate; GCNF eventually restricts Oct4s expression in the bodys somatic cells, leaving expression only in the germ cell lineage. With President Bushs August declaration that federally funded research would be......creases in sharks, rays, herring, and mackerel and decreases in groundfish and flounders. As part of NOAAs Coastal Ocean Program, Georges Bank Predation Study, Tsou and Collie constructed a nine-species MSVPA of the fish community on Georges Bank to investigate the feeding dynamics between predator and pre...Durable responses reported with Bexxar
...ts of the triple modality therapy were principally decreases in white blood cell counts that responded to supportive care. Three patients were hospitalized for neutropenic fever (one after fludarabine and two after fludarabine and Bexxar). "This novel approach produces a high response rate in initial thera...Hormonal regulation of glucose production by fat cells
...d insulin levels, the presence of exogenous Acrp30 decreases hepatic glucose production. In particular, the authors show that glucose-6-phosphatase (G6Pase), an enzyme critical for hepatic glucose release, is less active in animals treated with exogenous Acrp30. At least during the 90-minute test period, this ...Antarctic mud reveals ancient evidence of global climate change
...noting that solar activity routinely increases and decreases on a predictable 11-year cycle. There may be other explanations for these ancient periods of cooling and warming, he adds, but one fact is certain: They were not caused by people. However, Dunbar is careful to point out that, while increased solar ...Subjects lying face up reveal a reduced ability for 'nasal air conditioning'
... at baseline. There were statistically significant decreases in nasal mucosal temperature during CDA exposure in both positions. The nasal mucosal temperature during CDA exposure in the supine position was significantly less than that in the upright position. Conclusions The research has demonstrated that...Researchers find gene involved in pain relief
...inery that reads the DNA code for dynorphin, which decreases dynorphin production. Dynorphin is a peptide normally produced in the body. Known as an endorphin, it is produced in response to pain or stress. "We knew about DREAM and its role in dynorphin expression, but the purpose of this study was to determine...Is there a link between alcohol and allergies?
... words, the sensitization rate either increases or decreases depending on the allergen considered. Furthermore, allergic sensitization depends on multiple variables - including socioeconomic conditions - that cannot be always controlled for in observational or non-experimental studies. "Not all atopic subject...Researchers identify potential treatment for learning disability in neurofibromatosis
...e with mice that had another mutation (K-ras) that decreases Ras activity. They found that mice with mutations in either NF1 or K-ras had impaired performance on a test of spatial learning called the water maze test. Mice with both mutations, however, did as well as normal mice on this test. This suggests...... cleared, the amount of moisture reaching the soil decreases significantly due to the removal of the cloud-stripping effect. Also, because these upland rainforests transpire very little, they contribute a disproportionately large volume of water to their catchment. This contribution is greatly reduced when th...The body's production of melatonin may be the reason why the elderly can't get a good night's sleep
... It has been hypothesized that melatonin secretion decreases with age and that such a decrease is causally related to the increased sleep disruption in older people. However, previous studies reveal that nocturnal plasma melatonin concentrations in most very healthy older subjects are not significantly reduced...Definitive analysis of President's FY2003 R&D budget available
...&D funding decline, FY 2003 would see increases or decreases scattered even with agency portfolios, as agencies try to prioritize in an environment of scarce resources. Non-defense R&D would increase by 7.2 percent to $53.3 billion. In order to complete the campaign to double the NIH budget between FY 1998 a...Rock climbing harms cliff ecosystems
.... The researchers found that rock climbing greatly decreases the diversityof vegetation on cliffs. Notably, cli...in climbed areas, respectively. Rock climbing also decreases the cover of vegetation on cliffs. Forvascular plants, the cover on climbed plateau and talus was ro...Imagine no restrictions on fossil-fuel usage and no global warming
...tion of carbon dioxide in the atmosphere gradually decreases over time. Using this method on a large enough scale, it may be possible to return atmospheric carbon dioxide levels to pre-Industrial-Age concentrations. Given the possibility our climate system can change abruptly, this possibility is very exciti...Extensive research survey confirms life on Earth now being affected by global warming
...nse commercial fishing. Each stress independently decreases the probability that a juvenile cod will live to adulthood," Post says. "When people put very intense stresses on an animal population that also is experiencing environmental stresses, it is very difficult to tell how the two will interact and the r...