Brightsurf Science News & Current Events

March 07, 2003
Columbia Univ. researchers identify possible new culprit in Alzheimer's disease plaque formation
A new study from Columbia University College of Physicians and Surgeons (P&S) and Stanford University suggests that the malfunctioning of brain cells called astrocytes may be behind the accumulation of amyloid protein in the brains of patients with Alzheimer's disease.

Glowing bacteria show researchers how an anti-flu-virus drug may prevent bacterial pneumonia
Investigators at St. Jude Children's Research Hospital have shown in mice how the potentially deadly cooperation between influenza virus and bacterial pneumonia infections can be foiled, even if treatment is delayed and flu virus levels in the lung have peaked.

Short thighs linked to greater likelihood of diabetes
People with short upper legs are more likely to have glucose intolerance or diabetes, researchers reported today at the American Heart Association's 43rd Annual Conference on Cardiovascular Disease Epidemiology and Prevention.

Gene mutation exacerbates eye defect in inherited glaucoma
While studying mice with a mutant gene whose counterpart causes inherited glaucoma in humans, researchers at The Jackson Laboratory have discovered a second gene mutation that worsens the structural eye defect that causes this type of glaucoma.

UF study: Internet shoppers wary of giving personal info for rewards
The offer of a reward may help police track down a suspect or lead to the return of a lost wedding ring, but it won't get Internet users to give out personal information, a University of Florida study shows.

Call for entries: Science writing awards in acoustics
Did you write a popular article about acoustics in 2002?

Columbia University researchers receive $6 million NIH grant to establish health disparities center
Researchers from Columbia University have received a $6 million grant from the National Institutes of Health's (NIH) National Center on Minority Health and Health Disparities to establish a research center on minority health and health disparities.

Dartmouth researchers put recycling in perspective
Three Dartmouth researchers have found that resisting the temptation to buy an SUV can benefit the environment much more than recycling.

Cigarettes send male sex life up in smoke
Cigarette smoking significantly increases the risk of erectile dysfunction, according to a study reported today at the American Heart Association's 43rd Annual Conference on Cardiovascular Disease Epidemiology and Prevention.

Initiative to improve technology transition
Expanding its exploration of technology opportunities in the commercial marketplace, the Office of Naval Research's Commercial Technology Transition Officer is conducting the next in a series of technology transition

2003 Potamkin Prize honors shared by two Alzheimer's disease researchers
Two America-based medical researchers whose work is central to progress in understanding Alzheimer's disease are co-winners of the 2003 Potamkin Prize for Research in Picks, Alzheimer's Disease and Related Disorders, awarded by the American Academy of Neurology (AAN).

New study offers clues to how breast cancer spreads
A new study published by researchers at Georgetown University's Lombardi Cancer Center, in collaboration with researchers at Yale University, has identified two molecular predictors of breast cancer spread, or metastasis.

Seeing order: a scientific revolution long in the making
In his new book,

Johns Hopkins scientists create forgetful mouse
Studying mice, scientists from Johns Hopkins have successfully prevented a molecular event in brain cells that they've found is required for storing spatial memories.

New, more effective option for gene data mining identified
A new approach to identifying patterns in gene expression analysis has been shown to be more effective than the most popular method in a joint Penn State and University at Buffalo study.

Less fit teens more likely to have precursor to diabetes
A child who is overweight and unfit may already be on the road to developing insulin resistance, an early sign of diabetes, researchers reported today at the American Heart Association's 43rd Annual Conference on Cardiovascular Disease Epidemiology and Prevention.

Bridge Medical joins NPSF and 34 organizations in convening historic Congress
Tommy Thompson to Share Blueprint for Action to Prevent Medical Errors at NPSF Patient Safety Congress in Washington, DC, March 12-15, 2003 at the Renaissance Washington DC Hotel.

Early miscues cause late problems in model of Marfan syndrome
By studying mice, Johns Hopkins scientists have discovered that excessive activity of an important signaling protein, TGF-beta, likely underlies a variety of problems in Marfan syndrome, including the tendency to develop emphysema, they report in the March issue of Nature Genetics.

Diabetic vets are frequent users of health care system
A study of 33,481 diabetic veterans suggests that many of these individuals carry an

Anxiety poorly managed in hospitalized patients, study reports
Anxiety is often poorly managed in patients recovering from a heart attack, new research reports.

Identifying depression in preschoolers
A good way to learn whether children under 6 years old are depressed is to watch how they play, according to a team of infant and preschool investigators at Washington University School of Medicine in St.

Washington editor wins national award for encouraging women in chemistry
Madeleine Jacobs of Washington will be honored March 25 by the American Chemical Society for her dynamic efforts to understand the factors that influence a science career and to pass on her insights to young women and influential figures in chemistry.

Working class feels greater blood pressure effects from stress
Mental stress causes a rise in blood pressure that lasts longer in lower-class workers than upper-class workers, leading to a greater risk of heart disease or stroke.

Women urged to reduce heart disease risk before menopause
Women should make lifestyle changes and lower their cholesterol before menopause, when their risk for heart disease begins to increase, according to a study reported today at the American Heart Association's 43rd Annual Conference on Cardiovascular Disease Epidemiology and Prevention.

Changes in jet stream, storm tracks, linked to prairie drought patterns, study finds
New findings from Queen's researchers will help experts better predict future drought patterns and water availability in the prairies.

Study concludes environmental management systems can boost performance, compliance
Formal environmental management systems (EMS) can improve the environmental performance of government units and businesses as well as their operating and management efficiencies, a major new study concludes.

Tour operators to influence hotel industry to integrate environmental criteria into operations
The Tour Operators' Initiative (TOI), a global network of 25 tour operators, today began disseminating a new guide to over 25,000 contracted accommodations in an effort to influence hotel companies worldwide to integrate key environmental and social practices into their operations.

Organic and sustainable foods have more polyphenolics linked to health benefits
Organically or sustainably grown berries and corn contain up to 58 percent more polyphenolics, natural antioxidants that are a natural defense for plants and may be good for our health, according to a new study by researchers at the University of California, Davis.

URI Marine geologists to study active submarine volcano 'Kick 'Em Jenny'
URI marine geologists Haraldur Sigurdsson and Steve Carey have received a $283,000 grant from NOAA's Ocean Exploration Program to carry out an interdisciplinary study of the active submarine volcano Kick 'em Jenny in the southern Lesser Antilles, Caribbean Sea.

Laboratory astrophysicist discovers new source of high-energy neutrinos
A Lawrence Livermore National Laboratory astrophysicist, working with an international group of researchers, has discovered that high-energy neutrinos -- particles that rarely interact with other matter -- are produced in the accretion discs of neutron stars in amounts significant enough to be detected by the next-generation of neutrino telescopes.

Newly identified molecules contribute to normal silencing of most human genes
Most of the time, most of the estimated 35,000 genes in the human genome are silent, securely stored away in the tightly coiled structure of chromatin, which makes up chromosomes.
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