Brightsurf Science News & Current Events

October 25, 1999
The CARDIA Study: Statement from Dr. Claude Lenfant, director, National Heart, Lung, and Blood Institute
High fiber diets may protect against obesity and cardiovascular disease (CVD) in healthy young adults by lowering insulin levels.

Chandra spies structure of huge X-ray jets
A new image of the Centaurus A galaxy shows x-ray jets as long as our whole galaxy is wide.

Brain compound's anti-aggression effects appear to reverse in monogamous male rodents
The latest results from a line of Johns Hopkins research on the role of nitric oxide in the brain show that the chemical, which dampens aggression in male mice, has the reverse impact in a monogamous species of rodent.

Ancient iron-rich rocks point to early occurrence of land-based life
Iron-rich rock formations dating to 2.3 billion years ago suggest that the Earth's land masses were covered with living things at least a billion years earlier than previously thought, according to a Penn State geologist.

Sometimes it takes an earthquake to know where the fault lies
The recent 7.1 earthquake at the newly named Lavic Lake fault in Southern California is a good reminder that even geologists aren't always sure which faults are active until there is an earthquake.

Yale study of long-term learning deficits resulting from repeated amphetamine exposure could help drug abusers
Repeated exposure to low-dose amphetamines can cause deficits in cognitive performance that last for several years after the exposure ends, offering insight into potential harmful effects of chronic substance abuse in humans, a Yale study has found.

News from the zebrafish cousin of the human genome: A radiation hybrid map of the zebrafish genome
A map of the zebrafish genome based on the radiation hybrid technique has been published by scientists from the Max Planck Institute for Developmental Biology in Tuebingen/Germany (Nature Genetics, September 1999).

New study shows link between sex and violence among N.C. high school males
High school males who have been involved in a pregnancy are more likely to engage in behaviors that increase their risk of injury or death, according to a new report titled,

Kansas decision will leave students with insufficient skills to enter an increasingly technological world
The recent ruling by the Kansas Board of Education will prevent students from gaining the knowledge and skills they need to succeed in a world that relies increasingly on science and technology, said the American Association for the Advancement of Science (AAAS) in a resolution passed by its Board of Directors that condemns the decision.

Virginia Tech physics professor creates one of first astronomical Java programs
Sky Image Processor (SIP) is

Material that made car bumpers shine finds a role in manufacture of drugs, dyes
Chemists have a gleam in their eyes--from the reflection of chrome bumpers that adorn classic roadsters.

Researchers uncover gene related to acute leukemia
Vanderbilt-Ingram Cancer Center researchers have uncovered another clue in the mystery of how chromosomal translocations cause acute leukemias.

Home exercise equipment increased weight-loss success in study
In a recent study of 115 overweight women, participants who used home exercise equipment lost twice as much weight as those without the equipment.

Age-related declines in mental function
When young adults are asked to remember a list of words, then switch tasks and do a math problem, they use areas in the front of the brain and towards the back of both hemispheres-- -the visual cortices.

Emotional and physical toll of being poor
A new University of Michigan research center, funded by a $10 million grant from the National Institute of Health (NIH) will allow U-M researchers to delve deeper into research on the detrimental health effects of being poor.
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