Brightsurf Science News & Current Events

May 03, 2001
Research helps understand neural machinery of true and false memories
Researchers have added another piece to the puzzle of how the brain's memory center distinguishes true memories from false recollections of events that might have occurred, but actually didn't.

HIV drug resistance is increasing in the UK
The prevalence of transmitted HIV drug resistance in the United Kingdom is increasing, according to a study in this week's BMJ.

New method lets researchers study heart cell communication
Scientists at the University of North Carolina at Chapel Hill are using a new way to study how heart muscle cells communicate electrical and chemical messages.

UCSF study finds gay/bisexual men who were sexually abused as children are more likely to engage in unsafe sex
Men who have sex with men (MSM) who are victims of childhood sexual abuse are more likely to engage in risky sexual behavior than other MSMs, say researchers from UCSF's Center for AIDS Prevention (CAPS).

Color vision out of the corner of the eye
Scientists from Sydney, Göttingen, and New York have now elucidated how color is perceived in the peripheral visual field.

Penn State to lead Atlantic Slope Consortium with a $6 million grant from U.S. EPA
With the aid of a $6 million grant from the U.S.

USGS scientists, in partnership with NASA, develop new extreme-storm hazards
USGS scientists have developed a new map showing critical elevations of the south Atlantic coast that indicate relative vulnerabilities of the coast to storm surge overtopping and inundation by hurricanes and extreme storms.

Device offers promise for faster optical communications
Purdue University engineers have discovered that a device commonly used to untangle signals sent over fiberoptic lines might ultimately be used to make the Internet faster and more powerful.

UCSF study identifies sexual exposure as a major means of HIV transmission among injection drug users in San Francisco
HIV infection among injection drug users (IDUs) in San Francisco is strongly associated with sexual behavior, with men who have sex with men (MSM) and women who trade sex for money much more likely to become infected than other IDUs, according to a study by UCSF researchers.

Bone marrow stem cells may repair vital tissues and organs
Research initiated by Johns Hopkins has found that a mouse bone marrow stem cell is capable of developing into the specialized cells lining intestines, lung and skin.

BMJ readers to decide editor's fate over tobacco funding
Nottingham University has taken £3.8m from British American Tobacco (BAT) to fund a centre for the study of corporate social responsibility.

Light-driven micromachines? Lasers spin tiny objects in Science study
Shrink the Star Trek tractor beam down to a microscopic scale, add the ability to twirl the objects trapped in its path, and you'd have a system much like the one described in the 4 May issue of the international journal, Science. This news release is also available in French and Japanese.

Obesity in young children continues to rise
One in five 9 year olds and one in three 11 year old girls are overweight, finds a study in this week's BMJ, lending further support to reports that levels of obesity in Britain are increasing in primary school children.

Bill Nye the Science Guy visits Capitol Hill for Global Science & Technology Week
To mark Global Science and Technology Week, May 6-12, the American Chemical Society, is hosting hands-on science demonstrations with Bill Nye the Science Guy at ACS and on Capitol Hill.

Hunger linked to poor health in low-income U.S. children
Hunger is linked to poor health among U.S. low-income children, accordiong to researchers at Cornell University, the University of Michigan and Mathematica Policy Research, Inc.

Closing of Ward Center and its nuclear reactor is announced by Cornell University administration
The Cornell University administration has announced its decision to decommission the TRIGA Mark II nuclear reactor and to phase out activities at the Ward Center for Nuclear Sciences, where the reactor is housed.

Ribosome insight could help combat antibiotic resistance
Using the nation's most brilliant X-rays at Argonne's Advanced Photon Source, researchers from the United Kingdom's Medical Research Council, publishing in Science May 4, have learned how proteins are formed and how they create the chain of proteins that make up an organism.

Lack of prescription drug benefits seriously affects minority seniors, as well as those with low income, SFVAMC study says
African American and Hispanic senior citizens who lack prescription drug benefits are three times more likely than white seniors to cut back on taking their medications, according to a study from researchers at San Francisco Veterans Affairs Medical Center.

Geoffrey E. Hinton named first recipient of the $100,000 David E. Rumelhart Prize for analysis of human cognition
The Glushko-Samuelson Foundation and the Cognitive Science Society have announced that Geoffrey E.

Many asthmatic patients may have abnormal breathing patterns
Large numbers of asthmatic patients may have abnormal breathing patterns, finds a study in this week's BMJ, suggesting an important unrecognised diagnostic overlap between asthma and dysfunctional breathing.

Age at first period has changed little since 1950s
The average age of menarche (age at first period) in British teenagers has changed very little during the past 20-30 years.

Rx for contact lenses: Mobility + lubricity = comfort and safety
Contact lens comfort and safety should be enhanced by greater lens mobility and lubricity, according to research by Clayton Radke, Ph.D., at the University of California, Berkley.

Closing in on how natural killer cells thwart viral infection
HHMI researchers have identified a receptor on the surface of natural killer cells in mice that is vital to resisting viral infection. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to