Brightsurf Science News & Current Events

April 22, 2002
Ice coring team heads for Alaskan glaciers
Glaciologist Lonnie Thompson hopes that once his latest expedition ends in early summer, he will have one of the so-far missing pieces to the global climate change puzzle -- a record of ancient weather trapped inside ice from Alaskan glaciers that could date back thousands of years.

Gene study determines how humans are related to fruit flies and nematode worms
The most comprehensive genetic study to date concerning the evolutionary relationships among the three animal species whose genes have been completely sequenced--human, fruit fly, and nematode worm--has determined that the human species is more closely related to the fruit fly than to the nematode.

Study finds widespread sympathetic nerve damage in Parkinson's disease
A new study shows that Parkinson's disease causes widespread damage to the sympathetic nervous system, which controls blood pressure, pulse rate, perspiration, and many other automatic responses to stress.

Of 101 neonates at a New Jersey hospital, 40 percent test positive for drugs of abuse
Results argue for more funding of rapid-screening technology for infants and better educational outreach for mothers-to-be, say researchers.

Cells in patients' noses hold potential to restore function in spinal cord injury
Implanting olfactory ensheathing glial cells into the spinal cords of paralyzed adult rats has been shown to promote neuronal cell repair and restore function.

A pilot study may offer promise of a marker for ovarian cancer
Each year, there are more than 27,000 new cases of ovarian cancer and 14,000 deaths due to this deadly disease.

Anthrax drugs used to treat adults can treat children, too
The two drugs most commonly used to treat anthrax in adults could cause unwanted side effects if used in children, according to an analysis of pediatric anthrax treatment options.

Study finds new reason for smokers to keep this unhealthy habit away from infants/children
Results conducted on lab animals confirm infants and young children are at special risk for permanent damage from smoking.

Mild kidney disease doubles risk of death after angioplasty or bypass
The more than 3 million Americans who have mild kidney disease may be at increased risk of complications following procedures to open or bypass blocked arteries, according to a study published today in Circulation: Journal of the American Heart Association.

Swift switch from CPR to AED may save lives
A speedier

Basic Research and Higher Education Program Conference breaks new ground
University rectors shared the spotlight with graduate and undergraduate students in Russia April 9-10 during a program-wide conference under the U.S.

New evidence that dietary soy and flaxseed have positive effect on obesity and diabetes
Using a genetic model of obesity and diabetes mellitus, researchers have examined the effects of dietary soybean and flaxseed.

Tibetans retain resistance to the oxygen-deficient disorder hypoxia regardless of altitude
Tibetans inherited adaptability could lead to novel approaches for some types of cardiac surgery.

Too much chili burns out flavor
Bad news for spice lovers: Chili actually reduces your ability to taste other flavors, according to researchers at the University of California, Davis.

Study observes no association between cell phone use and auditory tumors
The risk of acoustic neuroma, or auditory tumor, was unrelated to the frequency and duration of cellular telephone use, according to a study published in the April 23 issue of Neurology, the scientific journal of the American Academy of Neurology.

APS awards 44 minority travel fellowships to the Experimental Biology 2002 meeting
Since 1987, the American Physiological Society (APS) has awarded minority travel fellowships to its annual spring meeting, Experimental Biology.

Researchers say trees could affect land use, reduce skin cancer
A Purdue University method to estimate the amount of protection trees provide against ultraviolet-B radiation may influence how communities are built and the incidence of skin cancer.

Glaciologist Thompson to receive prestigeous Heineken award
An Ohio State researcher who has become famous for his work in using ice cores from drilled remote, mountaintop glaciers to unravel global climate histories for thousands of years is this year's winner of a prestigious international science prize.

A green tea extract could help alleviate shortage of livers available for transplant
Consumers of Japanese green tea have for centuries believed the ancient Chinese proverb,

Yeast underscores complexity of genetic variation between people
Researchers at Fred Hutchinson Cancer Research Center in Seattle have harnessed the power of yeast -- a simple, single-celled organism crucial for brewing beer and baking bread -- as a model to study trait inheritance and the genetics of complex conditions and characteristics at the most basic, molecular level.

Eliminating battlefield transfusions
The need for blood transfusions on the battlefield presents a multitude of logistical problems.

"Berry, berry, berry...good!"
Four new studies strongly suggest that components from three types of red berry fruits may provide beneficial vascular effects.

Diabetes tied to altering of the heart's circadian clock
When the heart is out of sync with the rest of the body's 24-cycle, necessary responses may not occur, and heart failure could be the result.

Stanford biologist Paul Ehrlich to speak at NSF on population and the environment
Well-known author and population biologist Paul Ehrlich of Stanford University will speak at the National Science Foundation on the current state of the

High protein diets cause dehydration, even in trained atheletes
A diet high in protein silently caused dehydration in endurance athletes, individuals whose training gave them a greater capacity to adapt to dehydration than the average person.

Mathematical analysis could aid flu vaccine selection
Millions of people may one day have better odds of fending off the flu as a result of new research that could improve the choice of viral strains included in each year's vaccine.

A popular Japanese plum, now available in the US, may help prevent the onset of cardiac disease
A by-product of the umeboshi could represent a potential new therapeutic agent for cardiovascular diseases such as hypertension and atherosclerosis.

Massive icebergs may affect Antarctic sea life and food chain
NASA-funded research using satellite data has shown large icebergs that have broken off from Antarctica's Ross Ice Shelf are dramatically affecting the growth of minute plant life in the ocean around the region -- plant life vital to the local food chain.

Los Alamos researcher explains how protons create movies of nuclear weapon models
A technique developed at the National Nuclear Security Administration's Los Alamos National Laboratory uses protons to see inside explosively driven models of nuclear weapon components and other seemingly impenetrable objects.

New indicators for predicting hypertension in African-American males
Young males without hypertension are found to have arteries with a diminished capacity to expand in response to blood pressure.

Basic motion measuring technology may be alternative to more expensive testing procedures
The great nuclear-powered aircraft carriers now on station in the Indian Ocean are 1,092 feet long, or about one-fifth of a mile.

Los Alamos researcher says 'black holes' aren't holes at all
Researchers from the U.S. Department of Energy's Los Alamos National Laboratory and the University of South Carolina have provided a hypothesis that

More good news on the health benefits of almonds
Six studies presented this week at the 2002 Experimental Biology conference add provocative details to the growing body of research supporting more reasons to eat almonds.

New findings represent the first aerobic capacity QTLs identified in genetic models
Chromosomal intervals showing statistical evidence for suggestive or significant linkage to aerobic running capacity will be discussed by researchers at an upcoming meeting.

Icebergs' devastating impact on Antarctic marine life revealed by satellite data
For the first time, satellite imagery has allowed scientists to observe how icebergs in a remote corner of Antarctica can disrupt an entire marine ecosystem.

Anticonvulsant drugs found to impact on epileptic children's ability to recall information
The findings of a study from a Brazil suggest a new cooperation between physicians and educators to ensure that cognitive stimulus be offered to offset the side-effects of these necessary medicines.

Ten new candidate genes associated with salt sensitivity and hypertension are identified in rats
Because of inter-individuality in how salt affects blood pressure, results of a new study may lead to determining which patients with high blood pressure may benefit from a low sodium diet.

New findings could lead to innovative treatment technologies for patients with sickle cell
Study finds new information on the effect of heparin on sickle cell blood flow.

'Internet in the Sky' will guide unmanned vehicles into battle, aid in emergencies
With an increasing number of unmanned vehicles taking up positions on the modern battlefield, UCLA researchers are designing a portable, rapidly deployable network that will allow these robotic agents to communicate.

Physical effort does not automatically lead to worsening of fibromyalgia symptoms
Fibromyalgia (FM) is a syndrome characterised by chronic widespread musculoskeletal pain, with maladaptive responses to food and the environment.

Researchers to compare prenatal treatments for serious twin complication
A researcher at The Children's Hospital of Philadelphia is leading an NIH-sponsored national study to compare two treatments for a serious condition that may occur in pregnant women carrying twins.

Biologists track down central cause of lupus
In a finding that could lead to better treatments for lupus, a Princeton biologist has pinpointed what appears to be a central cause of the disease.

National Research Council committee backs national underground lab
A National Research Council committee's weekend endorsement of a National Underground Science Laboratory could boost a UW-led effort to put such a lab in the now-closed Homestake Gold Mine.

Gender differences in fatigue explained by the use of the body's aerobic pathways
Women demonstrate greater metabolic efficiency, leading to reduced production of by-products that cause muscle fatigue.

Hopkins researchers find domestic violence services are not reaching low-income women
Low-income women suffering from domestic violence are not being effectively reached by social service agencies offering assistance.

Sensitivity to gluten may result in neurological dysfunction; independent of symptoms
You may have gluten sensitivity and not even know it, according to a study published in the April 23 issue of Neurology, the scientific journal of the American Academy of Neurology.

New study finds need for improved nutrition for low-income African American females
Results of a study involving l08 African American mothers and daughters documents dietary deficiencies for folate, iron, calcium, vitamin D, and excesses of dietary fat, cholesterol and overall energy intake.

How the male beer-gut may be a red flag for cardiovascular disease and other health problems
Study of sedentary men across a range of obesity levels links lower cardiovagal baroreflex to higher levels of abdominal visceral fat.

Walking aids older women's arterial elasticity, helping heart
A new study shows regular, moderate walking aids women in aterial elasticity helping expansion and relaxation with each heart beat.

Parental contributions to education costs boost students' ability to spend
Every dollar parents contributed toward law school expenses increased their offspring's lifetime consumption by $1.76, says an economist at Brown University. 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