Brightsurf Science News & Current Events

November 09, 1999
Spouses of heart disease patients face high risks themselves
Women whose husbands are recovering from heart attacks or open heart surgery may have a significantly increased risk of cardiovascular disease themselves, according to a study presented today at the American Heart Association Scientific Sessions.

Heads up!
The upcoming Leonids meteor shower (Nov. 17-18) is expected to be the biggest in decades and perhaps for the next century.

UM study finds no benefit in a popular heart supplement
A popular nutritional supplement taken by many patients with congestive heart failure has no effect on improving heart function or relieving symptoms, a University of Maryland Medical Center study shows.

Improved biodegradable hydrogels
Two novel biodegradable hydrogels developed by a Cornell University fiber scientists have potential applications for controlling and delivering many kinds of medications inside and outside the body, for anchoring biological substances such as skin and vascular tissues and may even be used to introduce viruses to the body for gene therapy.

Neural implant could restore movement to paraplegics
Implants that amplify weak signals travelling along the spinal cord might one day allow some paralysed people to stand or even walk.

Hypertension and atherosclerosis may have a common cause, researchers say
The same hormone that causes high blood pressure may promote the development of atherosclerosis, reported researchers from Wake Forest University Baptist Medical Center today at the national meeting of the American Heart Association

Emissions of nitrogen oxides from oceangoing ships perturb atmospheric chemistry and climate
The emissions of nitrogen oxides from oceangoing ships can significantly change levels of gases such as ozone and hydroxyl radical, resulting in a cooling effect, especially in the North Atlantic region, has been computed by researchers from the Max Planck Institute for Chemistry in Mainz, Germany (Nature, 11 November, 1999).

Bouncing robots could become cop's best friend
Miniature robots that can climb stairs and bounce around buildings gathering information have been developed by researchers in America.

National Science Board to meet November 18
Journalists are invited to attend National Science Board (NSB) events next week.

Medication may give children with epilepsy more seizure-free days
Children with difficult-to-control seizures may find relief by taking lamotrigine, according to a study in the November 10 issue of Neurology, the scientific journal of the American Academy of Neurology.

SPIRE seeks to boost young scientists' job prospects, minority science education
Postdoctoral scientists are not receiving the broad training they need to succeed in today's complex, competitive science community.

UNC-CH physicists find atoms of chilled metallic liquids chiefly move in lockstep
For the first time, atomic-scale measurements have revealed that atoms in a metallic liquid cooled significantly below the melting point - also known as a super-cooled liquid -- chiefly move together in clustered lockstep.

Eating planets gives stars indigestion
When stars become old and have exhausted all their hydrogen, they start gobbling up planets.

An alternative to giant cyclotrons
A new method to accelerate ions, using powerful light from a table-top laser instead of the radio-frequency waves that have been used for ion acceleration.

Crack open an egg and cure a disease
Two American companies are planning a pilot test of drugs in eggs laid by genetically engineered chickens.

Study explores how people react to learning they have genital herpes
Thanks to new tests coming on the market, a flood of people may learn that they are part of a huge epidemic of genital herpes.

Study: Eliminating unnecessary stent procedures could save health care system more than $100 million
A new analysis by Duke University Medical Center researchers indicates that 1 in 12 implants of tiny tubes called stents to hold open newly unclogged arteries in patients with symptomatic coronary artery disease may be unnecessary.

Giant, priceless telescope mirror treks from Tucson to Chile via L.A.
The mirror for the Carnegie Institution of Washington's Magellan I Telescope is en route to Carnegie's observatory in Las Campanas, Chile.

Robotics go where no surgeon has gone before
It's not yet the stuff of

NPSF makes safe use of pharmaceuticals a national health priority
With medication use steadily rising each year, the National Patient Safety Foundation (NPSF) has launched an initiative to reduce the risk of medication error.

Impotence may be early warning of heart disease
Erectile dysfunction may be an early warning sign of heart disease, according to research being presented today at the American Heart Association Scientific Sessions.

Regional aristocracy helped curb medieval unrest
The regional aristocracy played an important role in curbing the unrest in large parts of Europe after the collapse of the empire of Charlemagne.

New drug shows promise for saving lives from heart failure
A new drug for heart failure saves lives and reduces symptoms, according to a study presented today at the American Heart Association Scientific Sessions.

Smoking especially dangerous for individuals with gene that causes coronary artery spasm
Scientists in Japan may have found a genetic cause of coronary artery spasm, a condition that reduces blood supply to the heart causing chest pain or, in severe cases, even a heart attack.

Traditional Chinese diet helps ward off heart disease
Westernized Chinese are moving away from the traditional diet rich in vegetables and green tea, and instead adopting the typical

Yale study shows aspirin as effective as anti-clotting drug in reducing post-heart attack risk
Heart attack sufferers can benefit as much from taking one aspirin a day after their trauma as from taking aspirin along with a powerful anti-clotting drug, a Yale study shows.

University of Toronto researchers discover how practice makes perfect in brain
From recognizing a wrong note on a violin to identifying the vintage of a wine, people learn to make subtle perceptual judgements with practice because the brain becomes more efficient in extracting the relevant information for the task, says a study in the Nov.

Choice of sex in animal breeding? Excess of male progeny from males carrying mouse responder transgene on Y chromosome
Cloning of the responder, a gene transmitted at up to 95% from males to their progeny, showed that it encodes a novel protein kinase likely to control sperm motility.

Robots improve movement in stroke patients
Stroke patients aided by

New research suggests paracetamol may reduce risk of hardening of the arteries
New research from Baylor College of Medicine in Houston suggests the pain reliever paracetamol may help protect against atherosclerosis, the life-threatening condition commonly referred to as 'hardening of the arteries'.

National speaker says high-quality childcare can protect against youth violence
Early childhood is the best time to promote the social skills that can protect kids from violence, a national expert told 500 childcare practitioners in Montana in October.

Long phone call results in 'mini-stroke' for psychiatrist
Cradling the phone between head and shoulder led to temporary vision loss and difficulty speaking for a healthy French psychiatrist, according to a case report in the November 10 issue of Neurology, the scientific journal of the American Academy of Neurology.

Role of cytokine inhibition in chronic heart failure
Researchers continue to explore an emerging approvach in the study of heart failure, a disease that affects nearly five million Americans and contributes to more than 260,000 deaths each year. 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