Spacecraft provides first direct evidence: Smoke in the atmosphere inhibits rainfall
...ot a unique case," said Rosenfeld. "Weobserved and documented several other cases that showed similar behavior. Insome instances, even less severe smoke concentration was found to havecomparable impacts on clouds." This research further validates earlier studies on urban air pollution showingthat pollution in M...When the shaking stopped, the work began - for USGS scientists
...ctober 14. Effects of the 1989 earthquake are also documented on a CD-ROM ofphotographs taken by USGS scientists immediately after the quake. Thephotos show some of the damage that occurred near the earthquake'sepicenter in the Santa Cruz Mountains, as well as in San Francisco andOakland. Also included are pi...Brain releases marijuana-like substance in response to pain, study finds
... according to a new study byBrown researchers that documented its release in the brain's pain response system for the first time. The cannabinoid known as anandamide produced analgesia - the absence of anormal sense of pain - in response to pain in anesthetized rats. The findings are published in t...Yale cancer center study underscores fears of discrimination over genetic testing
...cians, but manywould not want their carrier status documented in their medical records. "Those closest to the issue still believe the benefits of genetic testingoutweigh the risks," said Matloff. "But there are real risks, and this studyunderscores the need for better legislation in this area. There are looph...Wake Forest researcher finds high diabetes rate among Lumbee Indians
.... "Tomy knowledge, no one has ever scientifically documented how common diabetes isamong the Lumbee. There is quite a bit of information about the epidemic ofdiabetes among Native Americans, but most of that work has been in thesouthwestern United States," Bell said. Bell conducted a telephone survey of ap......Extensive studies by agricultural researchers have documented the relationship between crop production and the sunlight received. The haze affecting China is made up of aerosols composed of solid and liquid particles of varying sizes. The aerosols likely result from the burning of coal, bioma...Distance between atoms is key to iron protein function
...istry and molecular biology of ferritin have been documented by Elizabeth C. Theil, a senior research scientist at CHORI (Children's Hospital Oakland Research Institute) in Oakland, Calif. Trapping of the peroxide intermediate and its characterization by Mossbauer spectroscopy was the work of Carsten Krebs,...Gene mutation results in missing teeth
... a family in which congenitally absent molars were documented in members of three generations. The finding, published in the January issue of Nature Genetics, was supported by the National Institute of Dental and Craniofacial Research. The discovery of the PAX9 mutation began with Dr. Rena D'Souza, an associa...Experts to study informed consent in national gene transfer research
...formation to potential subjects." "It's been documented in many places now that research subjects tend to over-expect benefits, particularly if they are seriously ill or have a terminal illness," Henderson said. The concept of "informed consent" to research participation was developed to help protect ...This is your adolescent brain on alcohol
...this damage can be reversed. Numerous studies have documented what is called neuropsychological deficits -- brain damage -- in adult heavy drinkers. Only recently have researchers begun to investigate the potentially damaging influence of alcohol on adolescent neurological development and cognitive functionin...Study: exercise, even without weight loss, is good for the heart
...he pilot study. Kraus added that since the changes documented by the study were consistent across all patients, the small number of patients involved does not limit researchers' ability to draw conclusions. "We now have the data for physicians who can tell their patients that they shouldn't focus so much on the...Study suggests that logging may affect monkey health
...r logging, this is the first time a researcher has documented a decline in the weight of animals living within a logged forest, Waser says. "It is especially significant when you consider that the logging was done 20 to 30 years ago," he says. Though further study would be required to see what, if any, direct e...Asteroid devastation possibly worse than feared
...es more to the story. "Scientists have pretty well documented the immediate destruction of an asteroid impact and even the impact winter which its dust cloud would create," Blaustein said. "But our study suggests thats just the beginning of the ecological disaster, not the end of it." Blaustein and colleague C...Study stopped early: high blood pressure drug less effective than diuretic
... diuretic, an inexpensive class of drugs with well documented benefits," said Furberg. In addition to looking at the hypertension drugs, the study is comparing the effectiveness of a cholesterol-lowering drug to diet alone at reducing death. Participants in the ALLHAT study, which began in 1994, are aged 55 an...Taking vitamin supplements is a common behavior in the U.S.
...vitamin and nonmineral products, some of which are documented as posing serious health risks. The researchers suggest health care professionals obtain medical histories from their patients, including information on dietary supplements. They also encourage health care professionals to be alert to the potential...Scientists capture new images of movement in nerves
...s system darting along nerve fibers. What they've documented with time-lapse photography could one day lead to a better understanding of nerve malfunction in Lou Gehrig's disease and other, similar neurological disorders. For the past two decades, scientists have struggled to observe how proteins critical to ...X-ray studies shed light on frog deformities
...cientists and the public. Malformed frogs are now documented in 44 states, in 38 species of frogs and 19 species of toads, with estimates of deformities as high as 60 percent in some local populations. Scientists now agree that current numbers of reported malformations exceed any norm and that the situation w...UC Irvine researchers discover how airborne sea salt particles may influence air pollution levels
...recognized as an air pollutant. Because ozone has documented health effects at quite low levels, both state and federal authorities have established quality standards for this pollutant. "The ocean is two-thirds of the earth's surface, so to understand global climate issues and the chemistry of air pollution ......MI incident were significantly lower than in other documented studies," said Dr. Talbott. "Therefore, it is unlikely that this observed dose trend is related to radiation exposure on the day of the accident." To fully explore the relationship between low-level radiation and breast cancer, an in-depth case-cont...Pouch's newfound role tied to potential new treatment for malaria
...rug against malaria. In fact, resistance has been documented in more than 70 countries, mostly in Africa, Asia and Latin America. Docampo and colleagues have found that analogs of pyrophosphate -- chemical compounds already used extensively to fight osteoporosis and other bone-related diseases -- have "potent ...