Bacterial Toxin Surprises Scientists
... one such protein operates. Their work may shed light not only on the deadly power of certain toxins, but on diseases like cystic fibrosis that result from defects in natural membrane channels. "If we could understand how this protein works, we might understand mo...Mutate Or Die: New Polymerase Gives Desperate Yeast An Option
...n the June 14 issue of Science . The findings shed new light on how yeast and probably other organisms cope with damaged DNA, a constant,potentially dangerous problem for yeast and humans alike. Damaged DNA that is copied to other cells carries a muchgreater risk of causing cancer and other diseases ...Researchers Find Possible New Route to Making Cancer Cells Vulnerable
... work in this setting,"Heitman said. "Our findings shed light on a new mechanism that canbe exploited to overcome drug resistance in cancer cells." The researchers tested their ideas using common baker's yeast as a modelorganism, because basically the same multidrug resistance pump (MDR) isfound ...Bark Beetle Infestation Spurs Multifaceted Study
...standing of pre-European contact forest ecologyand shed light on the early history of the area, according to a Penn Stategeographer. Researchers are looking at the history of the forests, the incidence offire and signs of the early settlers -- including Chinese laborers and Basqueshepherds -- in this are...NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
...d adapt or will they die? The model may eventually shed light on such questions as Jon Bergengren, an NCAR colleague, shifts the model's gaze out of the distant past and into the next century. In the real world, the growth and melt of the ice sheets over the past two million years has resulted from long-t...NCAR Scientists Trek To Africa For Biosphere-Atmosphere Chemistry Study
...rs for longer-term EXPRESSO research. EXPRESSO may shed light on a global problem in biosphere-atmosphere chemistry. Plants take up vast amounts of carbon, particularly in the lush tropics, but plants and soils also release carbon, and the overall cycling in the tropics may be affected by the perennial fi...Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
... Station on the Antarctic Peninsula. The study may shed light on the possible consequences of global warmi...e layers back at least 6,000 years. The core will shed light on coastal climate and ice stream dynamics in the past. It will also be compared with the fam...Study Examines How Mechanisms Evolve To Regulate Bee Development
...ees inherit accelerated development. The findings shed evolutionary light on the mechanisms that regulate behavioraldevelopment in the drones' sisters, the worker bees, which pollinate almost$15 billion of agricultural crops annually, said Gene Robinson, a professorof entomology at the University of Illi...Scientists Trek to Africa for Biosphere-Atmosphere Chemistry Study
..., at times, as far as South America. EXPRESSO may shed light on a global problem in biosphere-atmosphere chemistry. Plants take up vast amounts of carbon, particularly in the lush tropics, but plants and soils also release carbon, and the overall cycling in the tropics may be affected by the perennial f...Fast Measurement Technique Reveals Early Steps In Protein Folding
...chnique developed at the Universityof Illinois has shed some light on the early stages of protein folding. In experiments conducted on the small, oxygen-carrying protein apomyoglobin,U. of I. researchers have found that the initial steps of helix formationcan occur within several hundred nanoseconds. (A ...New Vaccine Blocks Viral Entry In Cattle, May Have Implications For Human Vaccines
... protect them. They became infected with BHV-1 and shed it when stressed with steroids. The UW-Madison virologist doesn't know how long the vaccine will protect cattle. He thinks such a vaccine would be short-lived, probably less than a year. But, he says, animals could be vaccinated over and over fairl...Children With AD/HD Have Significant Functional Disabilities Related to Attention Deficit
...haviors, age or IQ," Lock said. "The study should shed light on the public debate about whether these children are disabled or whether their families are playing the system for benefits." If these functional deficits can be confirmed in a broader study, they should be the focus of treatments in ch...Oaks' Defenses Help Gypsy Moth Caterpillar Fend Off Virus
...irus needs the very basic environment of thegut to shed its crystalline coat and become active. This same alkalineenvironment does oxidize some of the tannin, but Appel has found a strongrelationship between PPO and virus inhibition. The trick is to put thisknowledge to work in controlling the caterpillar...Researchers To Investigate Years Before Menopause
...stitutes of Health, Penn State researchers hope to shed light on the years before women reach menopause and investigate how their health and reproductive histories affect the patterns of change. "Anything that takes us a step further in identifying the changes leading up to menopause will...Computer Model Offers New Insight On Bacterial Photosynthesis
...cientists workingwith photosynthetic bacteria have shed light on one of Earth's most efficientphotosynthetic systems. The accomplishment, the researchers say, should boost the understandingof light absorption and energy transfer in photosynthesis -- the processthat converts solar energy into chemical ene...Limits Of Life On Earth: Are They The Key To Life On Other Planets?
...ese organisms adapted to diverse environments, and shed light on the limits within which life can exist." NSF's directorates of biological sciences; engineering; geosciences; mathematical and physical sciences; and office of polar programs are providing total funding of $6 million to explore the rela......al tests of a drug used to treat schizophrenia may shed light on theopposing relationship between that disorder and epilepsy, according to JaniceStevens, M.D., and Duane Denney, M.D. of the Departments of Neurology andPsychiatry at Oregon Health Sciences University. Their work focuses on the drug...Purdue Researchers Track Oil Spill's Effects On Sea Otters
...aminated food," Snyder says. "These studies should shed light on the mechanism." Snyder's otter study is part of a larger research project to investigate the recovery of the ecosystem in Prince William Sound. About 15 researchers, ranging from biostatisticians to veterinarians to expert divers, are using ...Scientists Identify A Novel Mitotic Regulatory Mechanism
... (Boston) and the University of Texas (Houston) shed light on the regulation of the cell cycle. Their findings appear in the Dec. 12. 1997 issue of Science and the results are expected to have considerable implications in the understanding of the mechanism of cell division. The eukary...Wake Forest University Study Takes Students In Flight With The Albatross
...ot only to spark students' interest in science but shed light on such questions as how the availability of food affects the seabirds' reproduction and how their populations can be protected from declines attributed to longline fishing fleets plying Pacific waters for tuna and other fish. Anyone can p...