Brightsurf Science News & Current Events

November 07, 2000
Bone-conserving hip replacement option good choice for younger patients
A study published in September's British Journal of Bone and Joint Surgery concludes that a hip replacement device developed at Mayo Clinic is successful in conserving bone, making it an attractive choice for younger patients.

SFVAMC/UCSF researchers develop lead for a new Alzheimer's disease drug - a fragment of a brain growth protein
In findings that could lead to a new Alzheimer's disease drug, researchers at San Francisco Veterans Affairs Medical Center and University of California, San Francisco have isolated a protein fragment that nurtures brain cells, an effect that could prevent loss of brain function caused by the disease.

Contract bridge enhances the immune system, according to a preliminary study by researchers at UC Berkeley
The brain's cortex -- the source of higher-level functioning and voluntary actions -- is thought to affect the immune system, but to date no one has found a specific region involved.

Visualizing the invisible: Diode lasers shine light on tricky detection problems
At a June workshop on the Stanford campus, Mechanical Engineering Department Chair Ron Hanson and his colleagues traded news with representatives from industry on the burgeoning use of diode-laser-based sensors to measure the properties of otherwise difficult-to-monitor gases in industrial processes.

Life in extreme conditions
Life exists even at the South Pole. To their surprise, American microbiologists have found bacteria growing and dividing in melted snow from the pole at -17 °C.

How to spot drugs that misfire
A Californian company has developed an ingenious way of revealing the nasty side effects of drugs long before trials begin.

North America's East Coast may offer best view of Leonids meteor shower, say NASA scientists
Six teams of scientists led by NASA's Marshall Space Flight Center in Huntsville, Ala., will monitor the annual Leonids meteor shower this month when the phenomenon is brightest over the North American continent.

Population and climate change
The International Institute for Applied Systems Analysis (IIASA) and Cambridge University Press are pleased to announce the publication of Population and Climate Change by Brian C.

Suspect list shortens for maternal aggression's brain origins
Scientists studying the origins of aggression have highlighted areas in the brains of mouse mothers that may generate fierce attacks on males who pose a potential threat to their pups.

Hereditary lymphedema genetic mutations found
University of Michigan scientists have identified genetic mutations that cause a serious medical condition called hereditary lymphedema-distichiasis or LD.

Kissing may spread human herpes virus 8, the cause of Kaposi's sarcoma, among men
Most people do not think of kissing as a way of spreading serious sexually transmitted diseases.

Major cancer forum builds bridges of understanding--event addresses commonalties between breast and prostate cancer
The American Cancer Society and the University of California, San Francisco have teamed up to present Healing Choices, Bridging Communities 2000, the first major forum in California to address commonalties between breast and prostate cancer.

Microquasar wind said found by Chandra in X-rays
NASA's Chandra X-ray Observatory has detected, for the first time in X rays, a distinctive spectral signature of a powerful wind produced by an object in space.

Pre-Columbian Native Americans built and maintained a massive, landscape-scale fishery in Bolivian Amazon, according to Penn Museum archaeologist
Since the late 1950s, scientists have known about the existence of grand-scale earthworks throughout Bolivia's Amazonian region of Baures.

Mag-train propulsion prototype funded: magnetic repulsion to drive train
A simpler, less expensive US alternative to the magnetically levitated (maglev) trains of Europe and Japan is now funded for development at Sandia National Laboratories.

Quantum leap in Internet security: single photons on demand
Stanford chemistry Professor W. E. Moerner and visiting research associate Dr.

New discovery may revolutionize treatment for pain related to surgery, illness and injury
The first clinically suitable method to deliver pain medication directly to an affected area of the body has been developed in an animal model, holding the promise of revolutionizing pain treatment, report scientists from UCLA and the University of Cambridge.

New method identified for detection of recurring bladder cancer
Mayo Clinic researchers have developed a new laboratory method for detecting recurring cancer of the bladder sooner and more accurately, according to a study published in The Journal of Urology.

Surf like a caveman
You may be plugged into the information superhighway but deep down you're still a caveman.

Smoking among teen-agers increases risk for anxiety disorders
Dr. Jeffrey Johnson and colleagues at Columbia-Presbyterian, the New York Psychiatric Institute, and Mount Sinai Medical Center provide evidence that teen smoking may lead to anxiety disorders in late adolescence and early adulthood.

The silence of the clones: new link between DNA replication and 'silent' chromosome architecture
Cold Spring Harbor Laboratory scientists have demonstrated how a set of proteins work in concert to duplicate both DNA and silenced states of chromatin structure.

UIC chemists synthesize potent anticancer compound
An intricate molecule with exciting anticancer properties that is found only in a few species of South Pacific sponges has for the first time been synthesized in the laboratory by UIC chemists.

Agricultural biotechnology hot topic at ASTA corn & sorghum and soybean seed research conferences
What are the effects of genetic advances in corn, sorghum, and soybeans on the seed and food industries?

Innovative method for gene therapy of heart disease shows promise in animal studies
Heart disease patients may someday receive a dose of gene therapy that would protect injured coronary arteries from further damage and possibly even treat the underlying heart disease. 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