Brightsurf Science News & Current Events

August 28, 2003
Infrared halo frames a newborn star
Observations with the VLT of a star-forming cloud have revealed, for the first time, a ring of infrared light around a nascent star.

Study seeks genetic keys to exercise success
Why does embarking on an exercise program result in a swift payoff in weight loss, lower blood pressure and general well-being for some while others see little gain from all of that pain?

Communications training leads to better medical student performance, according to new study
Comprehensive training in doctor-patient communications significantly improved the ability of medical students to understand and address patients' needs, according to a study in the 3 September issue of the Journal of the American Medical Association.

Dartmouth bioengineers develop humanized yeast
Bioengineers at Dartmouth have genetically engineered yeast to produce humanized therapeutic proteins to address the manufacturing crunch currently confronting the biopharmaceutical industry.

Canada, US launch collaborative research programs for circulatory and respiratory health
The Canadian Institutes of Health Research (CIHR) and the National Institutes of Health (NIH) have formed a partnership to advance research of cardiovascular and respiratory diseases.

What's really happening to family and other intimate relationships?
Commonly made claims about changes in family and other intimate relations are not supported by actual research, according to a new working paper sponsored by the ESRC.

New angle needed to get pike out of Lake Davis
Hoping to keep non-native northern pike in Lake Davis from invading the Sacramento-San Joaquin river system, state wildlife managers have electroshocked, poisoned and netted thousands of the fish.

Subversive strep bug strategy revealed
Researchers at the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH), have discovered how Streptococcus pyogenes (S. pyogenes), the bacterium responsible for

How to drop in on Titan
You need to have thought of almost every eventuality when landing on a distant moon in a remote corner of the Solar System.

Controlled study after Dutch café fire highlights teen mental-health problems after disasters
Dutch authors of a study in this week's issue of The Lancet highlight the key mental-health outcomes for adolescents who have been directly involved in disaster situations.

Poll: NY residents split on biotechnology in food and agriculture
A survey of New York state residents on the use of biotechnology in food and agriculture finds the public almost evenly split between those who oppose its use, those who favor it and those who are undecided.

N.C. likely to face radiologic science workforce shortage
By state law, hairdressers and barbers must be licensed to practice their trades, but that's not the case for people who expose your body to potentially lethal radiation during routine health exams and medical treatment.

Study provides new insights into emerging theory of gene regulation
Only a tenth of all human genes are expressed at any given time.

More sprawl means more weight and less walking
Residents of sprawling counties weigh more, walk less in their leisure time and have higher rates of high blood pressure compared with those in more

New fish species discovered in Venezuela
Conservation International (CI) announced today the discovery of a tiny fish with a blood red tail in Venezuela's Upper Caura River.

Livermore & NIH scientists create technique to examine behavior of proteins at single molecule level
A Lawrence Livermore National Laboratory physicist, in collaboration with an international team of researchers, has developed an experimental method that allows scientists to investigate the behavior of proteins under non-equilibrium conditions one molecule at a time, to better understand a fundamental biological process of protein folding that is important for many diseases.

Cultural differences may influence aviation safety, according to WSU psychologist
When discussing aviation safety, it is important to consider cultural differences in the way people think, according to Helen Altman Klein, Ph.D., a human factors psychology professor at Wright State University, and an expert in the cognition field.

Leishmania mutant provides insight into disease and may lead to a vaccine
Researchers at Washington University School of Medicine in St. Louis have shown that Leishmania parasites engineered to lack molecules known as phosphoglycans do not cause disease in genetically susceptible mice.

ESA contributes to development of digital and electronic cinema in Europe
The Italian Presidency of the European Union has organised a Seminar of European Union Ministers of Culture, to be held in Venice from 28 to 31 August, in conjunction with the 60th Venice International Film Festival.

Human rights in Peru: AAAS analysis doubles previous estimates of killings
AAAS, the science society, today announced startling new estimates on the number of people who

New fitness system turns couch potatoes into armchair troopers
The University of Warwick is promoting healthier lifestyles for even the most deconditioned by increasing awareness of a unique fitness system designed to combat couch potato culture.

Body scanners for lab animals
A PET (positron emission tomography) scanner sensitive enough to use on laboratory mice has been developed.

New clinical study uncovers mechanism by which chromium picolinate may enhance insulin sensitivity
The results of a new double-blind randomized placebo controlled human trial of people with type 2 diabetes revealed a potential mechanism that may explain the ability of chromium picolinate to improve insulin resistance in human skeletal muscle - the primary site for glucose metabolism.

Neighborhood 'walkability' determines activity level of older women, say researchers
Neighborhood

Non-judgmental intervention may help binge eaters overcome disorders
A brief non-judgmental interview and feedback session designed to enhances people's motivation to change their behavior added to a self-help program appears to be effective in treating some people with two common types of eating disorders -- bulimia nervosa and binge eating disorder.

Health insurance scams leave thousands with large medical debts and no coverage
A recent unprecedented increase in unauthorized and illegal health insurance plans, spurred by rising health care costs and increasing numbers of uninsured, has left approximately 100,000 people with millions of dollars in medical debts and no coverage, according to a new report from The Commonwealth Fund.

Wrist bands can ease cancer nausea, especially for patients who expect them to work
Cancer patients who expected acupressure wrist bands to ease the nausea they have from chemotherapy were much more likely to gain relief than either patients who were not given the bands or those who received them but didn't expect them to help.

American Academy of Ophthalmology announces outstanding humanitarian service award recipients
The American Academy of Ophthalmology, the Eye M.D. Association, has announced its Outstanding Humanitarian Service Award recipients for 2003.

6 months after treatment start could be optimum time for making prognosis in HIV/AIDS
An international study in this week's issue of THE LANCET suggests that prognosis for patients with HIV/AIDS might be more reliably determined six months after initiation of highly active antiretroviral therapy (HAART), rather than before the start of treatment.

First production of a human protein with complex glycosylation in genetically modified yeast
Scientists at GlycoFi, Inc. and Dartmouth College have, for the first time, successfully engineered a yeast capable of secreting human proteins with the correct complex carbohydrate structures needed for therapeutic efficacy.

U.S. pedestrians, cyclists at greater danger than European counterparts
American pedestrians and cyclists beware: You are two to six times more likely to be killed on the road than your German or Dutch counterparts.

Key brain link in associative learning directly observed
Scientists have directly demonstrated in rats the process that leads to an animal's ability to predict the outcome of an action based on past experience, a process they compare with the generation of a cartoon character's thought bubble.

Northwestern's Cancer Genetics Program pinpoints gene that increases cancer risk by 26 percent
A gene present in nearly one in eight people is the most commonly inherited cancer susceptibility gene identified so far, increasing cancer risk in carriers by 26 percent, according to a study published by researchers at Northwestern Memorial Hospital in today's Journal of Clinical Oncology.

Nanomedicine: Grounds for optimism and a call for papers
'Nanomedicine is a discipline whose time has come', states this week's editorial.

UNC study: Trails, places to excercise, streetlights can boost activity levels
Trails, streetlights and places where people can engage in physical activity all make a difference in how much they exercise, a new study suggests.

Sage improves memory, study shows
NEW research has proved that sage can improve memory, confirming centuries-old theories.

White shark attack shows they're not man-eaters
Shark expert Peter Klimley, a UC Davis researcher, says the recent attack on a swimmer off Avila Pier in Central California supports his belief that adult great white sharks are selective hunters that would rather eat fat seals than bony human beings.

Search-and-rescue robots practice emergency response to simulated earthquake
An earthquake has just laid waste to a small town.

Analysis of stratospheric air resolves enigma of hydrogen balance in Earth's atmosphere
Scientists think they know all sources and sinks for hydrogen gas on Earth, from fossil fuel burning to soil microbes, but the numbers don't balance.

Study shows no deaths from living liver donors in Japan
Japanese research in this week's issue of THE LANCET highlights how liver donation from live donors-where part of a donor's liver is transplanted to a recipient-is not associated with mortality among donors, in contrast to this type of liver transplantation done in other parts of the world.

ASU researchers measure the electrical resistance of single molecules
Researchers at Arizona State University have developed a relatively straightforward method for measuring the electrical resistance of single molecules.

California, industry invest $3.5 million in research at UCSD Center for Wireless Communications
UCSD wireless researchers have been awarded $3.5 million for eight projects from industry partners and UC Discovery Grants.

New studies demonstrate importance of offering range of treatment options to elderly cancer patients
Two new studies from the Journal of Clinical Oncology (JCO) show that elderly patients can benefit from, and are willing to consider, aggressive treatment for certain types of cancer.

Infectious disease expert to speak at American Academy of Ophthalmology's annual meeting
Gary N. Holland, MD, the David May II Professor of Ophthalmology at the University of California, Los Angeles, and Director of the Ocular Inflammatory Disease Center and the Clinical Research Center at the Jules Stein Eye Institute, will deliver the Jackson Memorial Lecture.

URI physical oceanographer awarded NOAA grant for hurricane research
University of Rhode Island Graduate School of Oceanography (GSO) physical oceanographer Dr.

UC Riverside geophysicist comments on how deep earthquakes get started
In the commentary of 21 August issue of Nature, UC Riverside's Professor Harry Green explains that two large, deep earthquakes that occurred in August 2002 in the Tonga subduction zone were causally related.
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