Brightsurf Science News & Current Events

April 14, 1999
Melatonin Shapes Brain Structure In Songbirds
Scientists have found that the hormone melatonin is a critical regulator of brain plasticity in birds, controlling mating-related song bursts and fine-tuning the profound effects of testosterone.

UNC-CH Forecaster Says U.S. Economy Keeping Up Astonishingly Robust Growth
If the nation's current economic expansion lasts until Jan. 16, it will set a new record as the longest in U.S. history, a University of North Carolina at Chapel Hill financial expert says.

Tumor Oxygen Level And Blood Flow Fluctuate, Duke Scientists Discover
In a discovery that might help explain why widely used cancer therapies are less than optimal, Duke University Medical Center researchers have found that a tumor's oxygen level and blood flow can fluctuate rapidly.

Special Programs In Ethnic & Cultural Diversity At San Francisco General Receive National Award
A group of patient programs at San Francisco General Hospital Medical Center that focus on ethnic diversity has received a top honor from the American College of Psychiatrists.

High Pressures Change View On Geochemistry Of Iron Loving Elements
Elements with strong tendency to become dissolved in metallic iron (siderophilic elements) should be strongly depleted in the silicate rocks of the Earth's mantle and highly enriched in the iron metal core of the Earth.

How Can You Tell Whether Corn Is Fungus-Ridden?
Chemists in Illinois propose to weed out fungus-ridden corn that could end up poisoning your breakfast, by listening to it.

Columbia, Major Firms Conduct Successful Tests Of Internet Telephony Software, Hardware
In an event held at Columbia University April 8-9 whimsically titled a

Anabolic Steroids May Help Dialysis Patients Fight Fatigue And Gain Lean Body Mass
A new study indicates that the use of anabolic steroids appears to increase lean body mass and significantly reduce fatigue in kidney disease patients receiving dialysis.

UCSF Lab Makes Observation That Could Explain Ability Of Modified Cold Virus To Kill Cancer Cells
UC San Francisco researchers may have determined how the experimental anti-cancer drug ONYX-015 succeeds in killing cancer cells, offering a possible answer to recent questions about its mechanism of action and providing insight that could contribute to a deeper understanding of cancer biology.

Sex Can Boost The Immune System
It's official: sex is good for you, at least in moderation.

Magnet Therapy Eases Severe Depression, Double Blind Study Shows
Magnets have lately been hailed as the answer to a wide variety of ailments, but rarely have these claims been backed by scientific evidence.

In Space, No-one Can Hear You Speak--And Noise May Drown Out Alarms
The International Space Station will be so noisy that the astronauts' ability to communicate, work and sleep will be impaired.

New Use of An Old Test Can Help Brain-Injured Patients
Researchers in Penn State's College of Medicine are using a quasi-experimental simulation to help pinpoint the problems of patients who have suffered concussions.

$2.5 Million Initiative To Develop Chameleon-like Nanoshells
Developed by Rice University engineers, metal nanoshells lend a chameleon-like effect to materials and devices, due to their ability to manipulate different types of light.

Researchers Find Unexpected Feature In Plankton Nervous System
University of Hawaii researchers have discovered myelin coating the axons of a calanoid copepod zooplankton.

UCSF Study Shows Novel "Stress-Sharing" Prosthetic Device To Save Legs With Cancer Stimulates Bone Development
A clinical study led by UC San Francisco researchers has found that a new prosthetic device primarily used to save legs with cancer stimulates bone development.

Study Finds Combining Exercise With Male Hormone Therapy Benefits Men With HIV-Wasting Disease
Men who suffer from HIV-wasting syndrome can benefit significantly from a combination of exercise and regular, moderate doses of male hormones, according to a new clinical study led by a University of California San Francisco researcher. 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