Scientists Seek Early Warning Of Drinking Water Threats
...his project, the team will be studying viruses 100 times smaller than crypto- organisms which could more easily pass through some water-treatmenttechnology. Other pathogens can be very resistant to the standard chemicaltreatment of chlorination. The study will also help gauge performance of new water treat...Ameriflux Network Will Track CO2 Transfer In Forests
...ere. Instrument readings will berecorded about 10 times per second, 24 hours a day for several years. "Legislators and policy makers want scientists to predict what's going to happenin the future as people continue to burn coal, oil and other fossil fuels whichpump more carbon dioxide into the atmosphere,...Purdue Herbarium -- A Noah's Ark For Egyptian Plants
...cataloged collection of dried plants. "In Biblical times the area was vegetated, so you could look at it as taking back the desert and restoring it to its former glory." Swinehart and others, however, recognize that irrigation and agriculture could destroy some native plants and animals. Swinehart is one o...Researchers Discover Existing Drugs May Prevent Enlarged Hearts
...fe, the mice's hearts had enlarged to two to three times normal size,proving that activated calcineurin is sufficient to induce cardiachypertrophy. At the least sign of stress the mice died. The appearanceof their hearts mirrored those of humans?dilated ventricular chambersindicative of heart failure. ...Researchers Identify Protein Critical To Urine Concentration
...r preventing severe dehydration of the body during times of water deprivation. The finding, which will be ...produces an unconcentrated urine. However, during times of water deprivation, it must conserve water, and one of the key ways of doing so is to concentrate ...Jefferson Scientists Link Some Cases Of Scleroderma To Damage From Lingering Fetal Cells
...Systemic sclerosis strikes about three to eight times more women than men, usually between the ages of 45 and 55. GVHD is a sometimes dangerous complication seen when the body’s immune system rejects a bone marrow transplant. "What’s unusual is that in classic chronic graft-v...UPMC Reports On New Liver Assist Device
...initiated. The report indicated survival times in the groups treated with theExcorp device could be extended. These results suggest that the bio-artificialliver assist device does in fact have a marked effect on the course of acuteliver failure. The intercranial pressure also improved in the tr...Aspirin's Preventive Action In Heart Attacks Tied To Genetics
...ets in people who had the PlA2polymorphism were 10 times more sensitive to the effect of aspirinthan were the platelets of individuals who do not have the polymorphism," hesaid. Therefore, aspirin might be particularly indicated forpatients with the PlA2 polymorphism. Goldschmidt said that within a couple ...UCSF Researchers Identify Mutations In Gene Causing Hereditary Form Of Childhood Rickets
... "People have different degrees of severity and times of onset of thecondition," said Miller. "It may be that we will be able to find a correlationbetween the specific mutations and clinical manifestations of the disease."...Gene Study Shows Mammals Lived Before Extinction Of The Dinosaurs
...n the number of known gene sequences, sowe had ten times as much data to work with as we did just two years...eir lastcommon ancestor 41 million years ago--four times as long. The rodent fossilrecord appears to have some major gaps," Hedges says. By comparing indi...Inhibitor Shows Potential To Protect Infant Brain
...the BAF-treated rats, whereas it was three-to-five times higher in the control animals. "These results suggest that BAF protects brain tissue by inhibiting caspases and thus preventing apoptosis," Holtzman says. "The difference between the BAF-treated animals and the control animals was so great that it's...New Study Shows White Males Have More Receptors For Patent Blood-Vessel Contracting Substance
...ive whites, andthat hypertensive blacks have eight times more circulating ET-1 than blacks withnormal blood pressure. The current study is the first to examine genderdifferences in ET-1. ET-1 by itself can't do much in the human body. It needs receptor sitesin the veins to mediate its effects, and ......of dying in pregnancy or childbirth--odds over 200 times greater than those faced by women in the United St... for other developing countries and two and a half times the rate in the United States. Adolescents are also at high risk of unsafe abortion and HIV infectio...The First Rejection: Eggs Sequester Bits Of Sperm For Later Elimination
...ally since the tails of some sperm are over twenty times the length of the egg!" says Karr. "It became clear that the tail might be involved in the embryo's early development." Now, using fluorescence staining, Karr and Pitnick have tracked the fate of the giant sperm tails of two species of fruit fly, D....Research Sheds Light On How Plants Regulate Distribution Of Nutrients
...orter, which boosts sucrose concentration50 to 100 times higher than it is in all surrounding cells. As water movesin, Bush said, positive hydrostatic pressure builds, forcing the sucrosethrough the continuously linked phloem cells and to the non-photosyntheticsink tissues that need organic nutrients. T...New Insights Into The Enigma Of Lengthening Longevity
... since 1970. In 1990 there were about four to five times as many centenarians in these countries than there would have been if mortality after age 80 had stayed at 1960 levels. Death rates increase at a slowing rate after age 80. Mathematical analysis of the data indicates that ...High-Pressure Chambers Could Prevent Paralysis After Spinal Cord Injury
...hyperbaric chambers and raising the pressure to2.8 times the normal atmospheric pressure hastens their recovery, James said,because under high pressure the blood carries proportionally more oxygen. Thisraises the oxygen levels in the damaged nerve tissue toward normal levels toassist recovery. For spinal c...Biggest Acoustics Meeting Ever
...cold water, the researchers measure sounds' travel times to calculate the water temperature atvarious parts of the North Pacific. Reviewing more than 15 months of data from the ATOC program,Robert Spindel of the University of Washington ( spindel@apl.washington.edu ) and other members of theATOC group will...Protein Implicated In Multiple Sclerosis
... amino acids 95 to 117 of PLP -- was at least four times morecommon in the patients' blood. "There also were enough of these T cells to causedisease," Trotter says. In contrast, the immune cells of MS patients do not recognize myelinbasic protein more frequently than those of people without MS. ......crops, as the value of epoxy oils is almost three times that of ordinary vegetable oils." This research has revealed a family of enzymes that perform a range of chemical modifications to fatty acids. This knowledge should enable the team to isolate other genes from the family and further expand the ...