The future of planet earth: scientific challenges in the coming century
...and land use change in large metropolitan regions; assess the impacts of these changes on regional ecosystems and resources; enhance and apply technology for monitoring, analyzing and predicting rates, patterns and impacts of landscape changes resulting from natural and human causes; and provide decision ma...UF researcher develops high blood pressure drug using gene therapy technique
...ood pressure is desirable, scientists also need to assess whether such a persistent effect could eventually pose problems, Dzau added. "Like all medication, when we begin to think about a sustained effect we have to wonder what happens if you block the receptors (with the antisense) for too long -- are t...New Science study revisits the debate over bird parents, predators, and family planning
...bird behavior and life history "may help us better assess the vulnerability of different species to extinction or population problems," researcher Thomas E. Martin says of his latest study, appearing February 25 in the journal, Science. In tropical and southern regions, female birds tend to have fewer bab...Formula additives boost small children's intelligence in study
... Also, the researchers plan additional studies to assess the metabolic effects of the two substances, by trying to determine if the additional DHA and AA cause any alterations in the ability of blood to flow and clot, antioxidant defense mechanisms, or total cholesterol and triglyceride levels. They will ......logical communities, called "biomes," and tried to assess how sensitive each was to a particular driver. The... carbon dioxide levels are probably the hardest to assess in terms of their direct influence on soil biodiversity, Wall said. Nonetheless, the indirect effect...Time important in transporting critically injured to trauma centers
...gment of the liver. Researchers created a model to assess the time of injury in each patient by interviewing the patient and any witnesses or friends, and combine their answers with data obtained from police, sheriff and medical examiner reports. No significant differences were observed in the two groups re...Quality of herbal remedies often is guesswork, expert says
...understanding of the plants and the environment to assess that it is high quality." The natural variation of plants within a species can have a tremendous effect on the quality of the herbal remedy. "Some wild plants may have very high amounts, and some plants may be devoid of it. Anytime you have a natural...Scientists move in on genes conferring susceptibility, resistance to cancer
...hich variants of these genes, we could proactively assess people for the likelihood of susceptibility to cancer and recurrent tumors through blood tests." The researchers conducted their study in two species of mice - one, known as Mus musculus, has been inbred over many generations in the laboratory, so ...Shark cancers cast more doubt on cartilage pills
...urrently available evidence does not allow them to assess the causes of the cancers they have found. The myth that sharks do not get cancer sprang up in part because of their isolation from humans, which reduces their exposure to carcinogenic pollutants and the likelihood that sharks with tumors will be cau...AVAX Technologies' AC Vaccine™ improves relapse-free survival
... CD8+ T-Cell-Dependent Mechanism," was designed to assess the therapeutic potential of vaccination with irradiated tumor cells modified with the hapten "DNP" (AVAX's AC Vaccine technology), compared to treatment with tumor cells that were not modified via the AVAX process. The studies utilized a specific m...... begin a second, much larger multi-center trial to assess the effectiveness of the treatment.......tions of the new technology, therefore, will be to assess the existing gorilla habitat, explains Nickolas Faust, principal research scientist at the Georgia Tech Research Institute. Georgia Tech researchers will work with Dr. H. Dieter Steklis, chief scientist for the Fossey Fund, to com...South Dakota windbreaks need renovation
...n and Forestry Division, surveyed 45 windbreaks to assess damages. Josten said, "87 percent of the surveyed windbreaks needed renovation and District foresters or conservationists can assist landowners considering renovation of existing shelterbelts." Not only are the forests that were planted to prevent ...Genomic differentiation of Neandertals and humans
...nd modern human fossils. Using a simple method to assess the cross-hybridization of fossil DNA, the authors were able to distinguish two well-defined Neandertal fossils from that of a modern human. For a significant amount of hybridization variation to occur, substantial differences between the genomes of...Memory, forgetfulness help hamsters time breeding
... male hamsters to changing periods of daylight. To assess what time of year the hamster thought it was in, he measured their testicles, which grow dramatically in size with the arrival of spring and shrink back down in the fall. He started by exposing groups to differing different durations of 15-hour days;...Jews are the genetic brothers of Palestinians, Syrians, and Lebanese
... maternally, our study afforded the opportunity to assess the contribution of non-Jewish men to present-day Jewish genetic diversity," says Michael Hammer, Ph.D., from the University of Arizona, Tucson, who is the lead author of the new study. "It was surprising to see how significant the Middle Eastern gen...Acid rain revisited: ESA releases report on the ecological response to acid deposition
... programs Many questions must be answered to fully assess whether the environmental goals of the 1990 Clean Air Act Amendments are being met as a result of sulfur and nitrous oxide emission reductions."...$1.5 million awarded to marine conservationists
...lapagos, Ecuador Educating Ecuadorian fishermen to assess recovery rates of depleted species in the Galapagos. Rodney Fujita, Senior Scientist, Environmental Defense, California, USA Examining emerging trends affecting marine ecosystems and strategies to prevent problems. Stephen Hall, Professor of Marine ......ading laboratories has been established to rapidly assess genetic changes in Huntington's disease and other neurologic diseases. Technology aside, the real story of Olson's interest in Huntington's disease began on the quiet shore of Lake Maracaibo in the northwest corner of Venezuela in San Luis, a fishi...Chesapeake Bay watershed to benefit from new Landsat 7 land cover maps
...rks commission in Montgomery County, Md., plans to assess the extent of forests in its parks. The new land cover classifications will also help improve estimates of polluted water runoff flowing into the Chesapeake Bay by precisely identifying pasture land and different types of crops. This will allow mor...