Brightsurf Science News & Current Events

April 09, 2003
K-State marketing instructor studies consumer behavior during Internet purchasing
Janis Crow, Kansas State University instructor of marketing, has been researching what happens when consumers build their own products on the Internet.

Sequence matters when using novel agent
An experimental agent that targets a cancer cell's protein shredding machinery (the proteasome) should be given either before or with taxane-based chemotherapy drugs, but not after, say researchers at The University of Texas M.

Depression during treatment may make it harder for women to quit smoking
Researchers from the University of Pittsburgh found that women smokers who experienced an increase in depressive symptoms during smoking-cessation treatment may be more likely to relapse.

Obesity prevention program aimed at second graders
A groundbreaking program in Colorado is tackling the problem using an integrated science education enrichment program and child-to-parent communications.

UNC scientists find important new clue to puzzle of addictive behavior
By applying a novel technique to measure changes in chemicals in the brain instantly, University of North Carolina at Chapel Hill researchers have discovered what they believe is a major new clue to what causes addictions to cocaine and possibly other drugs including alcohol and tobacco.

Uninsured cancer patients receive less care
Emory University researchers show that uninsured cancer patients incur fewer costs because of fewer visits with doctors and health care providers.

Genes, Brain and Behavior Symposium April 16
Prominent experts on genes, brain and behavior will discuss the impact of genomics on neuroscience in an all-day scientific symposium at the National Institutes of Health, April 16.

Treating strokes with blood cord cells holds promise, Saint Louis University rat study shows
Human umbilical cord blood could help nerve cells regain function, animal research at Saint Louis University indicates.

B-vitamins prove effective in relieving chronic pain
New findings reveal that this treatment could be highly effective in alleviating neuropathic pain caused by injury to the nervous system.

Location of ulcerations in diabetic patients may be explained by blood flow
Arterial circulation may assist with patients diagnosed with peripheral neuropathy.

Environmental cues associated with heroin use may decrease immune function
Researchers found that in rats, the environmental cues associated with drug use also may induce alterations in immunity.

New research establishes genetic associations in hepatitis C
New researcher studies the genes associated with Hepatitis-C infections.

DNA-based vaccine triples survival for dogs with melanoma
The options for treating advanced melanoma are limited - regardless of whether the patient is a dog or a human.

Concurrent tobacco and marijuana use may hamper cigarette smoking cessation
Tobacco smokers who also smoke marijuana may be less likely to quit smoking tobacco and less likely to try to quit than those who do not smoke marijuana, according to a study by researchers at The Johns Hopkins University.

Caffeine-herbal ephedra combination alters cardiovascular response prior, during and after exercise
A team of researchers have examined how ephedra and coffee could impact on the body's health.

Ultra-wideband explored for ultra-secure, wireless communication
A team of Virginia Tech researchers is attempting to push ultra-wideband (UWB) technology into the next phase--where military communications can completely elude detection by nearby enemy troops and all manner of home electronics systems can be operated wirelessly.

Big quake, tiny shake
When an earthquake scores highly on the Richter scale, measuring large movement on the ground, it may not be as destructive as we think.

Mother-infant bed sharing is associated with an increase in infant heart rate
Can a mother's presence affect infant health?

Study of twins reveals changes in attention and motor skills after heavy stimulant abuse
In a study supported by the National Institute on Drug Abuse (NIDA), researchers studied 50 pairs of twins; in each pair, one twin had a history of abusing cocaine and/or methamphetamine and the other had no history of drug abuse.

Uninsured patients pay more but get less in cancer treatment
Uninsured cancer patients receive only about half the health services of insured cancer patients, but pay nearly twice as much in out-of-pocket expenses, according to a study by Emory University health policy professors Kenneth E.

Stanford researchers uncover mystery behind how skull plates fuse
Stanford University Medical Center researchers have identified a protein responsible for ensuring correct skull growth in newborn mice.

Really hot stars
New observations have been obtained of a number of unusual nebulae in the Magellanic Clouds with the Very Large Telescope (VLT) at the ESO Paranal Observatory (Chile).

Higher pain tolerance in males can't be bought
Men's higher tolerance for pain is not just macho posturing but has a physiological underpinning, suggests a study in which subjects were given a monetary incentive to keep their hand submerged in ice water.

Fostering chemical senses research and understanding smell and taste in health and disease
The Association for Chemoreception Sciences (AChemS) is celebrating its Silver Anniversary and is holding its 25th annual meeting in Sarasota, FL, April 9-13, 2003.

New wildfire-detection research will pinpoint small fires from 10,000 feet
The U.S. Forest Service soon will have the advantage of an entirely new tool that will identify and locate wildfires as small as 8-to-12 inches in diameter from 10,000 feet altitude.

Researchers study metabolic, cardiovascular effects of caffeine consumed with naringin
New research examines the effects of caffeine in conjunction with narigin, the property that makes grapefruit unique.

Physical activity in the elderly ruled in part by genetics
Motivation and behavior are important, but our biology has a say in how much we exercise.

Atrial fibrillation is more common than suspected
Researchers have determined that the irregular heartbeats that put people at higher risk of stroke are more common than patients and doctors might think.

Study sheds new light on how common painkillers prevent colon cancer
Building on earlier studies that have shown that common painkillers known as NSAIDs (non-steroidal anti-inflammatory drugs) can reduce the risk of colon cancer in healthy people, researchers at Dana-Farber Cancer Institute have identified a mechanism by which NSAIDs inhibit the development of colon cancer.

Understanding obesity: New research examines how hunger signals work in the brain
Obesity apparently triggers a mechanism that prevents signals to stop eating from getting to the brain, which leads to more obesity, Saint Louis University research finds.

Pain control bandage now available for clinical use
Physicians can now prescribe a non-invasive, non-drug device to relieve certain types of pain.

In some patients with chronic fatigue syndrome, left ventricular function may be involved
Researchers find new information about Chronic Fatigue Syndrome.

Researchers determine fundamental mechanisms involved in immune response
Scientists from the Howard Hughes Medical Institute have unraveled some of the fundamental mysteries about the genetic mechanisms that endow the immune system with its life-saving ability to generate specialized antibodies.

Amorous worms reveal effects of Chernobyl
According to Ukrainian scientists, worms contaminated with radiation from the Chernobyl fallout have started having sex with each other instead of on their own.

Grape seed extract may be useful supplement to blunt hypertension in postmenopausal women
New findings about a grapeseed extract may be significant for the increasing number of women entering middle age.

Could hibernators hold the key to improving organ preservation?
Studies help uncover how hibernating animals adjust their physiology to increase the tolerance of their liver and other organs to very low temperatures.

A cholesterol-controlling drug could strike a blow against insulin resistance
Type-2 diabetes is now an epidemic. Simvastatin could be key for prevention against this deadly disease.

Heart disease among some Japanese may be due to sequencing variation inside a gene
Previously studies have shown that there are ethnic differences in the prevalence of certain arrhythmogenic (heart-related) diseases.

Univ. of Pittsburgh Medical Center leads group buying PPL'S cloning, stem cell business
The University of Pittsburgh Medical Center and other investors have formed Regenecor Holdings, Inc., to acquire PPL Therapeutics, Inc., in Blacksburg, Va., a wholly owned subsidiary of PPL Therapeutics Plc of Scotland.

UCSF experts offer advice about severe acute respiratory syndrome (SARS)
As the Centers for Disease Control and Prevention (CDC) continues to investigate the cause of severe acute respiratory syndrome (SARS), UCSF experts emphasize that most people with respiratory symptoms do not have SARS and that appropriate infection control measures can prevent transmission of the disease.

Tackling a 'hairy beast'
Researchers are tackling a new genome: Tetrahymena thermophila. Many scientists favor this single-celled organism for biomedical research due to its genetic similarities to human cells--both are eukaryotic.

Study says: 'whey' to greater muscle strength is through training and protein supplements
The increases in muscle fiber cross sectional area produced by dairy protein supplementation correlate very highly with superior increases in muscle strength.

Groundbreaking new research to be presented at APA Annual Meeting
Disaster psychiatry, personality disorders, genetics, women's issues, substance abuse disorders and telepsychiatry are among hundreds of cutting-edge research topics to be presented at the American Psychiatric Association's 156th Annual Meeting, in San Francisco, May 17-22.

R&D yields numerous applications for conductive polymers
Conductive polymers offer a unique combination of properties that make them attractive alternatives for traditional conducting materials in certain applications.

Eight-fold quantum states blossom in a high-temperature superconductor
With a scanning tunneling miscroscope (STM), researchers based at Lawrence Berkeley National Laboratory and the University of California at Berkeley have imaged a unique eight-fold configuration of quasiparticle interference in the high-transition-temperature superconductor Bi-2212 (BSCCO).

Lead by example to get your kids to eat right, experts say
To stem epidemic in pediatric obesity, Saint Louis University initiative teaches parents to eat right so kids will, too.

Worm brings death to coral
Half the world's coral reefs are threatened by coral bleaching which, most marine biologists agree, is caused by a rise in sea temperature.

Oral contraceptives increase C-reactive protein, an infIammatory biomarker
C-reactive protein (CRP) is a protein in the body whose level increases when blood vessels become inflamed.

Modern blood vessel measurements test belief that magnetic fields can influence blood flow
Was Paracelsus correct about human blood flow?

Researchers find possible link between pre-natal alcohol consumption and diabetes
A rat study finds that ethanol fed rats produce offspring displaying symptoms of diabetes insipidus.

A derivative of the green tea leaf may help with Metabolic Syndrome X, a potentially deadly disorder
Metabolic Syndrome X is the term used to describe a group of heart disease risk factors.

Fake voice recordings easy to make, hard to detect
An Oregon scientist says the poor audio quality and the increasing availability of reliable voice transformation technologies means there is a chance that the audiotapes periodically released by Osama bin Laden are fake. 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