Brightsurf Science News & Current Events

July 22, 1999
Researchers find missing spring in circadian clock of mammals
Disruptions of circadian cycles in humans have dramatic sociological and medical implications ranging from the jet- lag of the traveling businessmen to the timing and dosage of many medications.

The Tour de France--In terms of jelly donuts
What activity expends the most calories (in terms of jelly donuts)every day for a Tour de France competitor (and everyone else)?

Carbon gives Armstrong edge in Tour de France
For the world's most famous biking contest, Lance Armstrong and other U.S. competitors are using a simple, yet powerful frame made of carbon.

Double-edged effect of inflammatory response discovered after brain injury
A University of Pennsylvania Medical Center team found that tumor necrosis factor (TNF) -- a cytokine molecule that is normally released during inflammation -- may be damaging and then protective to brain-injured tissue, depending on the time course after the injury.

Gene mutations not always expressed as complete disease
Gene mutations tied to inherited diseases may cause only a portion of the expected disorder, according to scientists at the University of North Carolina at Chapel Hill.

MTU researchers develop new software to help clean up contamination sites
America is trying to cope with many thousands of contamination sites, and each one is unique.

Carnegie Mellon scientists demonstrate spontaneous speech translation in six languages
Carnegie Mellon University scientists participate in international demonstration of spontaneous, large vocabulary speech translation in six languages in an international video conference.

New UNC-CH study explains variations in onset of ice ages
Slippery winter sidewalks may inconvenience and endanger pedestrians, but they are small (frozen) potatoes compared to what our animal skin-clad ancestors faced.

Wistar Institute Facility distinguished as center of excellence by Ben Franklin Technology PArtners of Southeastern Pennsylvania for second year
The Recombinant Protein and Structure Evaluation Center at Philadelphia's Wistar Institute has been admitted to the Ben Franklin Technology PArtners of Southeastern Pennsylvania's Center of Excellence Network Program for the second consecutive year.

Scientists can now see sense of smell
Using a high-resolution video technique on laboratory rats, neurobiologists at Duke University Medical Center have captured the first detailed images of the living brain in the act of recognizing specific odor molecules.

Seasons of the sun
By comparing several techniques and combining aspects of a couple of the best, scientists better predict the Sun's weather.

Vanderbilt University Medical Center designated as one of three Glaxo Wellcome Genetic Epidemiology Centers
Vanderbilt's Program in Human Genetics will play a central role in efforts by Glaxo Wellcome to identifying the genes involved in common diseases.

Summer fun could be source of infections: ASM book discusses potential risks, diagnostic signs and preventive measures
A new book, Infections of Leisure, offers valuable and timely information on specific leisure activity-associated infections that can help people better protect themselves from illnesses that could spoil their summer fun.

Scientists find first molecule that guides nerve cells through the brain
When nerve cells migrate from their birthplace to their permanent home in the brain, how do they find their way?

July story tips from Oak Ridge National Laboratory
SENSORS -- Super-sensitive chemical detector
ENVIRONMENT -- A river flows through it
AUTOMOTIVE -- Electric bus of the future
MANUFACTURING -- A safer workplace

National Jewish researchers first to identify component in thymus that positively selects T cells
Researchers at National Jewish Medical and Research Center have identified what T cells

Alternatives and animal use in the life sciences
More than 700 scientists will meet in Bologna, Italy at the

Clinical results with AVANT rotavirus vaccine demonstrate nearly 90% protection in young children
Results of a Phase II clinical study with a two-dose oral rotavirus vaccine, published in Lancet, demonstrate nearly 90% protection in young children. 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