Brightsurf Science News & Current Events

January 07, 2002
Genetic marker tells squash domestication story
In the January 8 Proceedings of the National Academy of Sciences, researchers from the Smithsonian Tropical Research Institute (STRI), The Cucurbit Network and the University of Puerto Rico establish mitochondrial DNA analysis as a powerful tool for understanding relationships among flowering plants.

Planets of the phoenix: Astronomers predict rebirth of planetary systems in the embers of dead stars
Astronomers have revealed a new way to identify planetary systems around nearby stars, and a possible new explanation for the mysterious properties of certain strange white-dwarf stars.

Lab scientists present cosmic findings to Astronomical Society
Two researchers at Lawrence Livermore National Laboratory will present preliminary findings today that show the association of unique gas flows to rapidly rotating black holes.

Access to healthy foods limited in poor neighborhoods
Wealthier neighborhoods have more than three times as many supermarkets as poor neighborhoods, limiting access for many people to the basic elements of a healthy diet, according to a new study.

Scientist finds genetic clues to Alzheimer's, establishes DNA bank for future studies
Tiny flaws have been found on three chromosomes in patients with the most common type of Alzheimer's disease by a researcher at the Medical College of Georgia.

Foreign-born women more likely to die of heart disease than American women
Although U.S. residents born in other countries have a lower death rate from all causes than native-born residents, women who moved here from other countries actually have a higher risk of dying from heart disease and stroke, according to a new study.

A genetic basis for behavior in infancy
Hungarian scientists report in Molecular Psychiatry (Nature Publishing Group) evidence for a genetic susceptibility of infants' disorganized attachment.

Combat winter weather with chemistry
As cold weather creeps across the United States, the American Chemical Society, the world's largest scientific society, offers insight on the some of the science behind winter, including hypothermia, aircraft de-icers and artificial snow.

Infection cited as a direct link to artery thickening
A person's risk of dying from heart disease may be predicted by the number of infectious agents present in the blood, according to a report in today's Circulation: Journal of the American Heart Association.

Researchers call herbs rich source of healthy antioxidants; oregano ranks highest
Better health may be only a dash and sprinkle away: Researchers with the U.S.

Study shows deoxygenating ballast water can prevent invasive species and ship corrosion
A new study shows that a novel method for combating ship ballast tank corrosion may also be a cost-effective way to prevent the introduction of foreign aquatic species in coastal waters.

Combination of common medications may lead to stroke
The use of serotonin-enhancing drugs - including some newer antidepressants, antimigraine agents, decongestants, diet pills, amphetamines, and the popular drug of abuse 'ecstasy' - can precipitate cerebrovascular syndrome (stroke) due to narrowing of cerebral blood vessels.

Gamma-ray bursts
Astronomers at Rice University in Houston have discovered that the rate at which a gamma-ray burst cools might be used to calculate the distance of that burst.

AAN's review of new drugs for treating Parkinson's does not alter existing treatment guidelines
A re-examination of the practice guidelines for the treatment of Parkinson's disease suggest that, despite the introduction of new drug therapies since 1993, when the AAN last released the guidelines, treatment strategies remain unchanged.

High blood pressure common, undertreated in diabetes
High blood pressure affects 71 percent of people with diabetes but few of them receive adequate treatment to achieve recommended levels, according to a new study.

Physics research suggests it might be possible to lengthen battery life
Experiments with carbon nanotubes, a new form of carbon discovered about a decade ago, suggest for the first time that it should be possible to store more energy in batteries using the tiny tubes than with conventional graphite electrodes.

Diagnostic criteria for brain death vary worldwide
Since Harvard Medical School published its landmark criteria regarding clinical definition of

Latino men face different obstacles to cancer screening
Nearly half of Latino men have never had a recommended digital rectal exam to check for prostate and colorectal cancer, but the barriers to cancer screenings differ across subgroups of Cuban Americans, Central Americans, Mexican Americans and Puerto Ricans, according to a study.

The immune system may be involved in the susceptibility to childhood attention deficit hyperactivity disorder (ADHD)
Attention deficit hyperactivity disorder (ADHD) is a common childhood neurodevelopmental disorder.

Effect of peer support on breast-feeding duration
Many new mothers initiate breast-feeding but stop within weeks of delivering.

UCLA, Ohio State astronomers present the Hercules deep field of distant galaxies, some like our own
UCLA astronomers and colleagues at Ohio State present detailed new images of hundreds of distant galaxies.

Foot-and-mouth 'on the move in Asia'
Australian foot-and-mouth expert Dr Laurie Gleeson has warned that the highly adaptable pan-Asian strain of Foot and Mouth Disease (FMD), responsible for the UK outbreaks, is on the move in South-East Asia.

Atlas indexes stars that live fast, die young
Astronomers have produced a new spectral atlas of massive, hot stars in the Magellanic Clouds, small sister galaxies on the periphery of the Milky Way.

UMAINE professor develops classification system for eastern and central U.S. winter storms
Predicting the impact of a winter storm in the eastern and central U.S. can be as treacherous as the weather.

Prescription drug use varies widely between states for adults and children
Until now, your age and gender were among the best indicators of how you might use prescription drugs.
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