The Fishing Hole Had Better Be Upstream From Commercial And Industrial Centers
...halt. The research is an extension of five decades of studies of streams inthe western Carolina forests by the Coweeta Hydrologic Laboratory, a U.S. ForestService facility funded by the NSF. McTammany's project is part of an effort toinclude sites from a larger portion of the southern Appalachians in...New Microbial Insecticide As Potent As Bt
... years ago," saidffrench-Constant. Widely used for decades in the home, in forests and on farms, Bt is also abacterium and is considered to be a safe, effective and environmentally benignweapon in the war on insect pests. Moreover, in the last few years the genesthat govern the production of the Bt toxin hav...Discovery Of Plant-Like Metabolic Pathway In Common Parasites Supplies New Targets For Therapy
...rnative enzymes along the same pathway." Thanks to decades of herbicide research, the pathway is already well studied andseveral inhibitory compounds are available. The researchers have also begunlooking for compounds that affect other enzymes and substrates in the pathway innovel ways. In addition to the se......amphibians in Panama last year. In the last two decades there have been many reports of frog population crashes around the world. Some are clearly due to pollution and other environmental changes. The idea has emerged that frog disappearances are an early indication of environmental degradation. Th...Banking On Safer Drinking Water
...a natural filtration method developed inEurope two decades ago to produce cleaner drinking water frompolluted rivers such as the Rhine. "The focus in the 1970s wasmainly to get rid of taste and odor problems and to removehazardous materials like pesticides and hydrocarbons," Bouwersays. "But there has been l...Depression A Risk Factor For Coronary Artery Disease In Men
...sk factor forcoronary artery disease, even several decades after the first episode," saysDaniel E. Ford, M.D., M.P.H., lead author of the study and an associateprofessor of medicine, epidemiology and health policy and management at Hopkins."When we accounted for traditional risk factors for CAD, such as high...Antisense Therapy Prevents Burkitt's Lymphoma In Mice
...ing andsequencing pathogenic genes in the past two decades has made possible a directgenetic approach to the treatment of disease using nucleic acid therapeutics orvectors." He adds that "the ability to turn off or correct individualdisease-causing genes, or to replace them at will in a patient's ce...Duke Studies Show U.S. Central Plains Vulnerable To Global Warming
...region responded readily to climate changeslasting decades or centuries during the mid-Holocene period -- 8,0...dynamics offorest tree populations that occur over decades to centuries. In his paper, Wyckoff reported new techniques of his mathematical methodof gau...Commercial Fish: Eat Up, Despite Low Levels Of Mercury
...udy began in 1989, when Rochesterresearchers, with decades of expertise studying mercury exposure,chose the nation of about 65,000 people as an ideal site to studythe effects of mercury exposure (see sidebar). Myers enrolled 779newborn children, about half the births on the islands that year.From the childre...International Conference Addresses Drug-Resistant TB Epidemic Ravaging Russia
...g of the risksassociated with the disease and from decades of refusal to adopt the WHOstandard of TB therapy used successfully around the world to contain, treat andcure TB patients. Already, one in 10 of the 1.5 million prisoners in the penalsystem has active TB and at least 12 percent have MDR-TB. In some...Hyperforin Is A Key To St. John's Wort, Researchers Say
...tin name Hypericum perforatum hasbeen heralded for decades for its ability to balance emotions. More recently,scientists found it played a role in the transmission of brain signals throughgaps in the nerve known as synapses. The transmission requires the release andthen re-uptake of chemical bridges known as......m those who study ecosystems. The advent in recent decades ofmolecular biology has given science new ways to relate species, furtherweakening traditional taxonomy. The disappearance of species, however, hasbrought the need for taxonomists' skills to the forefront once again. A third difficulty is ...New Hypothesis Proposed For Cause Of Chronic Fatigue Syndrome
...University, is the latest work in more than two decades of their research on the effects of stress on the human immune system. “Our data suggests that stress may be causing the expression of certain viral proteins and that these proteins may be modulating the body’s immune response...Scientists Finger A Molecular Kingpin In Body's Response To Cigarettes
...obiles, power plants andincinerators. For two decades Gasiewicz has studied how dioxin binds to andmanipulates the AH receptor, which plays a key role in determininghow our body reads its DNA and controls many genes. Graduatestudent Stephen Dertinger, who had recently helped develop atechnique that uses......he USGS WaterResources Division in Denver. In four decades with the USGS, Meade has written more than 80 articles andpublications, including articles for Science and Nature. Meade is the 14thMendenhall Lecturer since the program began in 1981. As the nation's largest water, earth and biological science and c...National Science Medalists Named
... advancement of earth sciences over the past three decades nationally and internationally. (Media Contacts: Bill Noxon, NSF, and Robert Tindol, Caltech, 626-395-3631, tindol@caltech.edu.) John N. Bahcall , Richard Black Professor of Natural Sciences, Institute for Advanced Study, and Visiting Lecturer wi...From Germany To The Wild West: Geologists Hunt For Evidence Of Ancient Crinoid
...ew materilin the field which has not been done for decades by any scientific effort," saidMeyer. Working with UC graduate student Andrew Webber and Milson, theresearcher found samples from both Kansas and Colorado. "We've obtainedmaterial 'in place' that demonstrates where the fossils are found in the rock...Science Announces Top Ten Research Advances Of 1998
...art at an accelerating rate. Scientists discovered decades ago that theuniverse has been expanding since the Big Bang. But whether the gravitationalpull between galaxies could slow-and ultimately reverse-that expansion has beenunknown. This year's discovery showed that the expansion of the universe is infact...Center Set Up To Evaluate Evidence Of Chemical Threats To Human Reproduction
... "A decline in human sperm counts over recent decades has beenreported but not confirmed." The organizers said the center is not intended to conduct research orprovide counseling or medical treatment but will convene panels of 10-15scientists with expertise in reproduction, toxicology and rel......ity required to feed thepopulation of the next few decades will rely on time-honored traditional plantbreeding and genetic resources from around the world to build higher-yieldingplants as food factories for the next century." Qualset co-organized the panelwith Subodh Jain, UC Davis professor emeritus of ag...