Phase Out Planned For One Of Top Five U.S. Pesticides, Plant Doctors Respond
...ir Act, will be phasing out methyl bromide in just three years,with all U.S. production and importation ending on January 1,2001. Considerable research indicates methyl bromide a fumigantagainst weeds, insects, nematodes and microorganisms is a potentozone depletor. The phase out leaves the agricultural in...Age-Based Screening Is Cost-Effective Method To Control Chlamydial Infection
...eases(NIAID) and Johns Hopkins University compared three strategies to screen 7,699women without symptoms who attended two family planning clinics in Baltimore,Md. In addition to the age-based screening found to be most effective,investigators evaluated universal screening and screening with the criteriar...Amphibian Mortality Due To UV Radiation
...ich has a high photolyase level, is thriving. All three specieslive in the same habitat in the Cascade Mountains. The field studies, which were completed in May and June 1997, also arereported in part in the December issue of the Proceedings of the NationalAcademy of Sciences. Funding was from t...... exhibit signs of thedisease after age 65. One of three forms of ApoE, E4 has been associated withthe greatest risk for Alzheimer's. Initially, researchers thought thatgenotyping (distinguishing among different forms of a gene) for ApoE-4 alonemight be sufficient to diagnose and predict the disease. But...Leftover Fetal Cells May Affect Development Of Scleroderma
...Its causeremains unknown. The disease is at least three times more common in women thanin men. The peak incidence occurs between ages 35 and 54. The course of thedisease varies greatly, with localized or systemic symptoms. The localized form of the diseaseprimarily affects the skin of the face and hand...Hormones Found In The Brain May Determine How Much You Eat And Affect Obesity And Diabetes
...pcoming research will be toproduce rodents missing three genes -- one ligand and the two receptorgenes -- to see if the rats' appetites can be decreased by inhibitingany of them. "These neuropeptides are a very plausible molecular basis forsome classical experiments on eating habits," Yanagisawa s...Drivers Should Pay More Of Environmental Costs, Report Says
... fuel emissions. The report analyzed the effect of three factors -- an increase in the price of automobile use, better management of urban growth so there is less urban sprawl and a combination of the two -- on driving habits. It found the most significant shift in road behavior occurred by combining the t...Scientists Invent Faster Gene Function Identification System
...gene function. "We're talking a difference between three yearswith the current methods and two days with ours." The technique could be valuable to scientists working on the humangenome project, a worldwide effort to decipher the sequence of the geneticmaterial present in the human body. Identifying......simproved from 50.3 percent to 63.8 percent in the three years following theprocedure. Ejection fraction m... All of the patients who received the FGF-I three years ago are stillalive. The scientists report that no negative side effects have been seen in thep......ntific organizations,started in 1993 to coordinate three epidemiological studies to characterize theproblem...r counties in Colorado; a secondregion encompassed three shelters in Sacramento County, Calif.; a third regionincluded two shelters in Jefferson County in Lo...Hultgren Receives Prestigious Eli Lilly Award
...stallography, Hultgren andcolleagues are following three lines of research. First, they are determining the...ies," Hultgren says. Hultgren has received three other recent honors. In 1997, he was awardedan honorary doctorate from Umeå University in Swed...Uterine Environment Boosts Learning Ability In Mouse Offspring
...n dyslexics. The embryos were divided into three groups for the experiment. TheNon-Transfer group c... At six weeks of age, the offspring from the three groups were given aseries of behavioral tests in Dr. Denenberg's laboratory. The tests included pawp...Study Shows: Just Say NO To Bone Loss
...aughty (and nice) nitric oxide, there are actually three differentenzymes that produce the molecule, and these are regulated in different ways. One is called constitutive nitric oxide synthase, which makes NO to regulateblood pressure and vascular processes, and has recently been found to play arole in mal...Researchers Closing In On Gene For Paralytic Disorder
...-life or later,and typically leads to death within three to five years when respiratory musclesfail. In the Mattinglys, symptoms begin in childhood, but the paralysis, whileprofoundly disabling, is never fatal. To find the gene involved, scientists used the family's extensivegenealogical records,...Insights Into The Proteasome - A Fascinating Macromolecular Machine For Protein Degradation
...inder, traversed by a channel which widens into three large cavities that are separated by constrictions. In the Thermoplasma proteasome the two outermost constrictions are so narrow that only unfolded polypeptides are admitted to the interior. This size exclusion mechanism was visualized ...3-D Structure of Human Tumor-Suppressor Protein Produced
...or action of the molecule. Tsai’s study took three years to complete because the p16 proteinis unusually flexible compared to many other protein molecules. “Because of this flexibility,” said Tsai, “the moleculewas in constant motion, making it difficult to make the measurements wenee...MRI Scans Following Heart Attack Could Determine Future Health
...eart failure, a stroke or death. In contrast,only three (9 percent) of the 33 without obstruction suffered latercomplications. Problems occurred an average of 14 months after heart attack. In addition, researchers noted that the risk of having post-heart attackcomplications increased with the magnitu...Major Wolf Die-Off Recorded On Isle Royale
...er's survey showed 14 wolves in the park,including three pups born since the completion of the 1997 survey.... wolf pups alive on the island last summerand only three have survived to this winter. That leads biologists to wonder ifperhaps canine parvovirus is again p...New Dating Technique May Revise Geologic Time Scale
...the study analysed individual glaucony grains from three bulk samples previouslyused to construct the geologic time scale. The individual grains yielded agesscattered over millions of years and almost all of the ages were younger thanthe true age. Only the oldest glaucony grains gave the correct ages, whic......analyzed the amounts of 15 nutrients consumed over three days by participating and nonparticipating low-income children. The intake of 10 of the nutrients (vitamins A, E and B6, thiamin, riboflavin, niacin, folate, magnesium, iron and zinc was significantly improved for children in the WIC program, and im...