Brightsurf Science News & Current Events

August 09, 2000
Researchers produce the first direct 3-D image of a volcanic system
Until now, textbook depictions of the fiery magma chambers that reside beneath volcanoes and below the earth's crust were based on projected measurements, some guess work, and the artist's creative imagination.

Many minority patients pick doctors of their own race
A study examining how minority patients pick their physicians shows that race is an important factor in the process.

Research shows that brain receptor may control obesity
Scientists at Oregon Health Sciences University's Vollum Institute have found a new receptor site in the brain of mice that causes them to become obese by storing fat and expending less energy than normal mice.

Emergency contraception is used when needed but doesn't increase high-risk sex, according to UCSF study
Young women who have an advance provision of emergency contraception are more likely to use it when they need it, but its availability does not appear to increase risky sexual behavior, according to a new study by University of California, San Francisco researchers

You don't have to feel sleepy to have sleep apnea, U-M study finds
Being low on energy during the day might be caused by trouble breathing while you sleep, even if you don't actually feel sleepy, a new study suggests.

Study shows test in the first trimester of pregnancy is effective in identifying birth defects
Researchers report 1st Trimester tests detects over 90% of Down Syndrome Cases.

Cows and conservation: a round-up of speakers to discuss new ideas on ranching
On Thursday, August 10, the Ecological Society of America will host a symposium as a part of the Society's Annual Meeting in Utah entitled,

The facts about affirmative action in employment and education
Affirmative action remains one of the most contentious issues of public policy.

International laser conference and workshop to convene at Duke
Scientists from around the world will meet at Duke University from Sunday, Aug.

Back to school... peacefully
If it's August, the return to school soon comes to mind for parents, students, teachers, and administrators.

Mutation rate of male sex chromosome lower than expected
Genetic sequencing and analysis of regions of the X and Y chromosomes of humans, chimpanzees and gorillas, reveals a much smaller difference in mutation rates of the two sex- determining chromosome, say HHMI researchers.

Scientists discover key ingredient in sexual reproduction
A century-old mystery about sex finally appears to have been solved by a Stanford-led team of researchers.

Well-being improves for most older people, but not for all, new federal report says
Older Americans are living longer and better than ever before.

Free electron laser demonstrated at Brookhaven Lab
Researchers from Brookhaven National Laboratory and Argonne National Laboratory have taken an important step in creating a new research tool called the high gain harmonic generation free electron laser.

Rickets making comeback among breastfed infants, especially blacks, N.C. doctors find
North Carolina researchers have discovered new evidence that nutritional rickets, a bone-weakening condition in infants and children caused by too little vitamin D, is making a comeback, especially among breastfed black children.

'Gatekeeper' protein is key to cellular life; links bacteria, chloroplasts and mitochondria
A seemingly ordinary protein, YidC, found within the membranes of bacteria is a gatekeeper of sorts, allowing into the membrane other proteins essential for the bacteria.

Space experiments are key to better crystal-growth modeling
Information gleaned from space experiments is enabling the design of new software aimed at manufacturing superior crystals for electronics and other industrial applications.

UB study suggests insulin may help protect against coronary artery disease
Excess insulin in the bloodstream does not appear to contribute to atherosclerosis or arterial clogging, despite the known association of Type 2 diabetes with cardiovascular disease, a study by University at Buffalo endocrinologists has shown.

Molecular switch that inhibits fat cell development found
Scientists at the University of Michigan Medical School have discovered a molecular switch that controls the formation of fat cells in mice.

Self-adjusting chips to extend limits of computing power
A team of scientists at the University of Rochester is undertaking the next step in computing -- designing a chip that reconfigures itself as it runs, adapting to the needs of software while processing faster and using less power while doing so.

Yale researchers solve structure of the ribosome: groundbreaking achievement 'like climbing Mount Everest'
In a landmark achievement, Yale researchers have determined the atomic structure of the ribosome's large subunit, paving the way for more effective drugs to fight infection.

Panel to focus on indicators of well-being for the aging
A panel of experts will discuss the policy implications of key findings of a report entitled 'Older Americans 2000: Key Indicators of Well-Being,' at a session on August 15th at the Annual Meeting of the American Sociological Association in Washington DC.

Award-winning book looks at responsibility for sick babies in hospitals
'For the Sake of the Children,' recent recipient of two awards from the American Sociological Association, utilizes a host of records and interviews with parents, physicians, nurses and other medical personnel at two Midwestern neonatal intensive care units to examine conditions under which people accept or reject responsibility.
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