USGS Cautions Proper Use Of Pepper Spray To Avoid Bear Attacks
...tion." The impetus for Smith's study came after he observed a brown bearrolling vigorously in beach gravel that had been inadvertently sprayed with redpepper spray five days previously. A surprised Smith watched bears on theirbacks, paws skyward, vigorously rubbing their heads and back in th...Females' Siren Song Initiates Courtship Duets In African Frogs, Columbia Biologists Find
...ating call and coined the term forit. "When Darcy came to South Africa, I demonstrated the female behavior andsong to her. That night the four of us, husbands included, sat around thinking upnames for the song," she said. "I hit on 'rapping' because it does mimic thesound, which is something like a Gei...Leftover Fetal Cells May Affect Development Of Scleroderma
... blood cells in all cases. The fact that the cells came from a son is irrelevant, says Dr. Nelson. "Theim... up to 27 yearsafter pregnancy. "When the finding came out about fetal cells persisting, itall fell in place for me," Dr. Nelson says. "It will take time ...Hultgren Receives Prestigious Eli Lilly Award
...iroutstanding achievements." Hultgren, who came to the School of Medicine in 1989, studies ways inwhich bacteria attach to human tissue, a key event in the onset of disease. As amodel system, he works with E. coli strains that infect the urinary tract. "Ourstrategy is to decipher the molecular bas...Rare Mutation Find May Offer Clues To Treating Osteoporosis
...ts kindever found in humans. A Scottish sailor who came to the Colonies before theRevolution appears to have been the source of the first TDO mutation in theAmericas. Patricia Salevan, 41, a Cary, N.C., office manager, was born with TDOsyndrome in 1956. Two of her three children no...Wake Forest Study Shows Soy Containing A Key Ingredient Is What Lowers Cholesterol
...o determine whether thecholesterol-lowering effect came from the soy protein or from the isoflavones insoy. Crouse's study gave patients 25 grams of proteins at each serving fromidentical containers with 25, 42, 58 or 4 milligrams of isoflavone or the inertcasein. Neither patients nor staff knew...Peptides Implicated In Body's Response To Pain
...tionalInstitute on Drug Abuse. Additional support came from the Howard Hughes MedicalInstitute. "Although pain can in most cases be effectively treated, it is still a majorhealth problem. More than 50 million Americans are partially or totallydisabled by pain, from the occasional migraine headache to ch...Smog Spreading To South Pacific
... a "major atmosphericproblem for the 21st century" came today in Dallas at the national meeting ofthe American Chemical Society, the world's largest scientific society. University of California, Irvine, professor F. Sherwood Rowland saidtoday that long-lasting plumes from biomass burnings -- the ...Purdue Research Helps Keep Phosphorus Out Of Surface Water
...s could cause trouble, but they thought most of it came from urban and industrial waste, not farm fields. "Even 10 years ago the prevailing thought was that phosphorus in fields didn't move, unless it eroded away with soil," says Purdue agronomist Brad Joern. Phosphorus already has been banned from deterg...Water Quality In Indiana's White River Basin Affected By Urban And Agricultural Activities
... "No pesticide concentration found in ground water came close to exceeding a Federal drinking-water standard or advisory." In cropland areas with a surficial sand and gravel aquifer that is particularly vulnerable to contamination but is also an important source of drinking water for residents of the basi...Eviction From Scum Home Makes Disease-Causing Microbe Vulnerable
... and Iglewski at Rochester. Funding for theproject came from the National Institutes of Health, the NationalScience Foundation, the U.S. Navy, and the Cystic FibrosisFoundation. "This is basic research, but it leads us in two researchdirections," Greenberg says. "It may help us find a way todislodge ...Researchers Discover How Ulcer Bug Becomes Antibiotic-Resistant
... rates are very high. The two members of each pair came from the same patient and were chosen because one was metronidazole-sensitive while the other was resistant. By analyzing DNA from the H. pylori chromosome, the researchersdetermined whether the members of each pair differed significantly fr...Rice Names Matthews Dean Of Natural Sciences
... The selection of Matthews to succeed Kinsey came after an extensive search by a committee chaired by Rudolph, professor of biochemistry and cell biology at Rice. "We had a good number of outside applicants," Rudolph said, "and four people who we ...ACE Gene Linked To High Blood Pressure In Men But Not Women
...ause they both looked at different populations and came up with the sameconclusion. "The results provide important direction for learning how genesaffects a person's risk for high blood pressure." O'Donnell's co-authors are Klaus Lindpainter, M.D.; Martin Larson, Sc.D.;Valluri Rao, Ph.D.; Jose Ordovas, P...Schmidt-Nielsen Autobiography Details Scientific Adventures
...m the National Institutes of Health. These honors came because of the success of his life's work on the studyof how animals adapt to environmental extremes that would seem impossible.For example, he and his colleagues discovered how camels go for months withoutwater by allowing their body temperatures to......ure. The donor liver cellsinfused into the patient came from a liver that wasn't suitable for whole organtransplantation, but the liver cells were perfectly fine, Dr. Fox said. The liver cells were isolated from the donor liver by Dr. Strom and histeam at the University of Pittsburgh and transport...Researchers Unable To Document Existence Of Transient HIV Infection In Infants
...ss. (The others did not become infected.) Thecases came from five large multi-center trials across the country. In all 43cases, blood tests had originally shown evidence of HIV infection on one or moreoccasions, but later tests did not find evidence of HIV-1. The researchers re-analyzed the infant......er on Monday, May 18. "The improved survival rates came without a significant increase in toxic sideeffects or extra days in the hospital. We recommend that these therapies shouldbe incorporated into future treatment regimens," said Katherine K. Matthay,M.D., director of the Children's Cancer Group neurob...Tiny Jamaican Tree Crab Made Big And Fast Evolutionary Leap, Scientists Discover
...ndcrabs are related to other species and when they came to the island by lookingat their genes," Hedges says. "We found that the bromeliad crab--and also theeight other species of Jamaican land crabs--are not related to crabs on theother side of the world but have evolved from one common Jamaican marinea......es have varying contents, even though the vesicles came from the same gland. "One vesicle would have one component but it would be completely absent from another vesicle," Lillard says. "We knew that in a population, both components were present, but when we got down to the level of a single vesicle, ther...