Brightsurf Science News & Current Events

November 27, 2000
SU scientist receives patent that could revolutionize medical magnetic resonance imaging
Arnold Honig, professor of physics in Syracuse University's College of Arts and Sciences, has developed a new method for polarizing the Xenon 129 gas used in some magnetic resonance imaging procedures.

Oral contraceptive use does not affect bone mass
New research from Penn State College of Medicine shows that oral contraceptive pill (OCP) use by healthy teenage females does not affect their peak bone mass, or their growth.

Men do hear -- but differently than women, brain images show
Research conducted at the Indiana University School of Medicine may help resolve an age-old dilemma between the sexes.

Researchers expand dating of marine animals to brachiopods
Researchers from several universities have expanded the dating of marine animals beyond mollusks to brachiopods, and the method has been shown to work back to the time of Aristotle.

Hyporheic zone appears key to nitrogen remediation in streams
Preliminary research results on the hyporheic zones of streams--the region in which stream and ground waters mix--indicate biological activity there may be a significant player in stream nitrogen dynamics.

Cold water off Brazil might be causing Argentine penguin nest failures
Argentine penguins are turning up off the coast of Brazil in record numbers, and a University of Washington scientist believes it is because of unusually prolonged cold water has kept their food supply - primarily sardines, anchovies and squid - farther north much longer than usual.

IIASA releases scientific study linking population growth to climate change
Slower population growth would significantly reduce climate change over the next century and increase the ability of developing countries to adapt to changing climate patterns, according to a new study from the International Institute for Applied Systems Analysis (IIASA).

Lead bullets and shot corrode, but the lead stays put, Virginia Tech study shows
Studies at Virginia Tech show that, although the metal in lead bullets and shot corrodes rapidly in the natural environment, the lead becomes trapped in the corrosion products so it cannot easily migrate away.

Press invitation: The science of stem cells - December symposium at Imperial College
As the British parliament prepares to debate a change in the law to allow stem cells from human embryos to be used in research, Imperial College researchers will gather at a Symposium on 6 December to discuss the science behind stem cells.

Dendreon identifies novel approach to improve immunization efficiency
Dendreon researchers report a novel method for generating an enhanced immune response with potentially important implications for improving the efficiency of therapeutic cancer vaccines.

Lower childhood intelligence linked to late-onset dementia
People with dementia are more likely to have had low scores on intelligence tests when they were children than people without dementia, according to a study in the November 28 issue of Neurology, the scientific journal of the American Academy of Neurology.

University of Pittsburgh reports best gene delivery to date of protein missing in Duchenne Muscular Dystrophy
Using sophisticated techniques, University of Pittsburgh scientists have engineered perhaps the best gene therapy to date for the prevalent life-threatening disease, Duchenne muscular dystrophy.

ACS launches two new journals in nanotechnology and crystallography
Experts in the areas of nanoscience and technology and crystallography, A.

Dana-Farber Cancer Institute opens Zakim Center for Integrated Therapies
Dana-Farber Cancer Institute has officially opened its new Zakim Center for Integrated Therapies.

Muscular body images pressure girls, boys into misuse of anabolic steroids
Girls and boys are now equally caught up in the social pressure for a muscular body image currently lauded in popular culture.

Zeolite technique speeds pesticide decomposition in water
A team of University of Maine chemists has reported that exposing pesticide-contaminated water to natural light and a mineral known as a zeolite can dramatically speed up the break down of the pesticide.

Researchers stress importance of cardiologists, other physicians
It is important for physicians in general and cardiologists in particular to identify men with erectile dysfunction (ED) and, if necessary, encourage them to seek treatment, according to an editorial in the December issue of The American Journal of Cardiology

New discovery: 'footprint' shows master switch simultaneously controls plants' disease defenses
Plants respond to infections by activating one or more genetic

Cats comforted by synthetic chemical, research suggests
A synthetic chemical may put an anxious cat at ease in unfamiliar territory, a new study suggests.

'Fat-proof' mice yield new anti-obesity drug target
HOUSTON---Mice bred to eliminate perilipin, a protein that defends fat against a metabolizing enzyme called hormone- sensitive lipase, become immune to diet-induced weight gain.

'Brain pacemaker' for epilepsy may affect breathing during sleep
An implanted 'pacemaker' that helps control seizures in people with a hard-to-treat form of epilepsy may also affect some patients' breathing during sleep, according to a small study.

Migraine risk highest during first two days of menstrual cycle
Women are twice as likely to experience migraine without aura during the first two days of their menstrual cycle than during the rest of the month, according to a study in the November 28 issue of Neurology, the scientific journal of the American Academy of Neurology.

Fogarty International Center announces new awards under International Training And Research In Population And Health Program
The Fogarty International Center (FIC) of the National Institutes of Health (NIH) has awarded a total of $9 million to fund two new awards and seven competing renewals to U.S. universities under the second funding cycle of the FIC International Training and Research in Population and Health Program (ITRPH).

Contaminated health supplement makes athletes test positive for steroid use, UCLA researchers discover
Athletes hoping to boost their performance with an over-the- counter dietary supplement known as

Unprecedented fire season in southern Africa aids air quality, climate change research
The fires that raged across southern Africa this summer produced a thick

December Geology and GSA Today highlights
GEOLOGY articles cover topics including impact events in South Africa and North America, climate change and paleoclimatology of Europe and the Mediterranean, geobiology of the Colorado River delta, and tectonics and earthquake hazard assessment in the Los Angeles basin.

The CIS of New York receives grant to increase minority access to cancer information on the Web
The Cancer Information Service (CIS) of New York, which is based at Memorial Sloan-Kettering Cancer Center, was recently awarded one of four grants totaling $932,000 from the National Cancer Institute (NCI) to improve awareness of and access to Internet-based cancer information in minority communities throughout the country.

HIV drug leaves key part of immune system vulnerable
A drug that helps to slow the progression of HIV - the virus that causes AIDS - does not seem to prevent virus-related damage to an organ critical to the development of the immune system.

Supernovas, black holes could offer clues to subatomic particles
The next time a distant supernova glitters in the night sky, scientists may be able to solve a mystery about subatomic particles here on Earth.
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