Honeybees In The Wild Nearly Gone In North America
...of weakened, infested bees, Tew said. "These mites decrease the honeybee lifespan to almost nothing,"he said. "Many bees never emerge. When they do emerge, they'reso weakened or deformed that they're nonfunctional. They don'tcontribute to the output of the colony, and the whole populationcrashes and dies. "If...Urbanized Watersheds More Sensitive To Climate Change
...areas," says De Walle. "In general, there is some decrease in stream flow with increase in temperature in urban areas, but in the Northeast, this does not seem terribly important." Increases in stream flow boost the potential for flooding and in the Northeast at least, the areas of most increase -- the ...Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...rease and eat more algae.The algae, in turn, would decrease and water clarity would increase. This idea of "top-down" control of the food web is known as the"trophic cascade hypothesis," named and popularized by StevenCarpenter, with the Center for Limnology at the University of Wisconsin,Madison. The profes...Early Tests Indicate Motor Skills Unharmed In Consumers Of Tainted Fish
...f industrial chemicals toxic in the environment -- decrease dopaminelevels in the brain. In Parkinson's disease, too little dopamine contributesto a reduction of motor function and executive abilities (planning and attention). "We thought that we might see reduced motor function," shesaid. "At this point, ho...Resistance To Leptin Contributes To Obesity
... --by reducing food intake without anaccompanying decrease in energy use. "These data confirm that le...tivated by leptin,"Friedman says. "In NZO mice, a decrease in the transport of leptin intothe cerebrospinal fluid may cause the obesity." Friedman, Hal...First Salmonella Vaccine For Poultry To Be On The Market Soon
...s has developed a live vaccine that should greatly decrease the incidences of food poisoning and deaths in humans infected by salmonella bacteria. Roy Curtiss III, Ph.D., George William and Irene Koechig Freiberg Professor of Biology in Arts and Sciences, has genetically engineered the most common strain of ...Menstrual Phase Linked To Ineffective Mammograms
...negative mammogram in the luteal phase, but this decrease was not statisticallysignificant. "Mammography is known to be less accurate in younger than older women,"says Baines, who notes that currently many women in their 40s receive mammographywi...Common Childhood Virus Poses Threat To Adults, Research Shows
...d that they’re going to get better,and we can decrease unnecessary antibiotic use.”...Purdue Research Shows Omega-3S Benefit Bone
... showed that eating more omega-3 fatty acids could decrease coronary heart disease risk and might decrease chances of getting certain cancers," says Purdue food science professor Bruce Watkins, "but our rese...First Selenium-Based Orally-Active Antihypertensive May Lead To New Family Of Therapeutic Agents
...rs also confirmed that theselenium-based compounds decrease blood pressure and increase bloodvelocity without increasing heart rate in the experimental animals. Finally, inductively coupled plasma/mass spectroscopy analyticaltechniques conducted in collaboration with <AHREF="http://www.chemistry.gatech.e...Reanalysis Of International Data Finds Sharp Decline In Sperm Density
...the United States have exhibited an average annual decrease of 1.5million sperm per milliliter of collected sa...ountries, that was most surprising. "We observed a decrease of about 1.5million sperm per milliliter per year in the United States, and a correspondingdecrease ...Even Moderate Air Pollution Reaching Eastern Wilderness Decreases Mountain Hikers' Lung Function
...f ozone --the main ingredient of urban smog -- can decrease active people's lung function,a study led by researchers at Brigham and Women's Hospital and the HarvardSchool of Public Health has found. The researchers said their two-year study showed ozone levels common tonon-urban parts of the United ...... most important catalyst for hibernation is a slow decrease in theanimals' body temperature from about 37 degrees to 5 degrees. With their bodiesnearly frozen in this state, metabolic and other bodily functions slowdramatically, leaving the animal immobile. Mysteriously, the animals' body temp...Good Ergonomics Is Good Economics
...enda predicts the new workstations eventually will decrease occupational injuries for these jobs by 20% (Valery Venda, personal communication). Reducing Work-Related Musculoskeletal Disorders Given the importance of this issue, and the rather considerable attention and debate that has resulted from the int....... Theenzyme fragment produced a highly significant decrease in blood vessel densityin these tumors relative to those treated with the control, providing furthersupport for the idea that the effects of PEX on these tumors is, in fact, due toits anti-angiogenic activity. According to Martin Friedlander......-12," said Malinow. "We have demonstratedthat the decrease of blood homocysteine by folic acid supplementation depends inpart on the individual's genetic background." Note to reporters: fact sheets about each of the four presentations areavailable. Contact: American Heart Association News Media Relations ...Long-Standing Puzzle Of Immune System Is Solved By UCSF Researchers
...f the gene that encodes Pms2resulted in a dramatic decrease in hypermutation. Pms2 also has been discovered to be abnormal in certain forms ofhuman cancer. This finding has led some cancer researchers to suspect thata defect in the gene encoding the repair enzyme resulted in a failure torepair harmf...UF Researchers Use Gene Therapy To Prevent Hypertension, Organ Damage
...researchers used an altered form of DNA in rats to decrease theeffectiveness of angiotensin II, a naturally occurring hormone that plays arole in regulating blood pressure. DNA is the spiral-shaped geneticmaterial contained in every living cell that transmits all hereditarycharacteristics. Scientists generall...Condom Use In Thailand Dramatically Cuts HIV Infection
...crease condom use in Thailand hasled to a fivefold decrease in HIV infection among young army draftees innorthern Thailand and a tenfold decrease in sexually transmitted diseases (STDs)overall, according to Johns Hopkins researchers. ...Smithsonian Institution Convenes Experts To Discuss Cocoa's Future
...uction. "As the developing world faces an alarming decrease in forests, some traditional shade-covered agroforest systems, including cocoa, which is a rainforest tree traditionally grown under a canopy, provide ecologists with hope," said Thomas Lovejoy, a noted environmentalist and director of the Institute ...