Brightsurf Science News & Current Events

April 03, 2007
Want to monitor climate change? P-p-p-pick up a penguin!
We are used to hearing about the effects of climate change in terms of unusual animal behavior, such as altering patterns of fish and bird migration.

PSA is poor predictor of lethal prostate cancer
The amount of prostate-specific antigen (PSA) in a man's bloodstream at the time of his prostate cancer diagnosis or its rate of change over the course of the disease does not adequately predict lethal prostate cancer, according to a study in the April 4 Journal of the National Cancer Institute.

Other highlights in the April 4 JNCI
Also in the April 4 JNCI are a study on the risk of noncancer death among testicular cancer survivors, a report that celecoxib does not prevent cancer in Barrett's esophagus patients, and a link between bladder cancer and androgens in mice.

Reaching the parts -- with Herschel and SPIRE
A UK-led instrument which will study a previously unexplored part of the universe leaves the UK this week to be installed on the European Space Agency's Herschel spacecraft in Germany.

Officiating bias, influenced by crowds, affects home field advantage
A study published in the Journal of Sports Sciences finds that referees, influenced by the crowd, contribute to the home field advantage.

UCLA identifies new molecule involved in the body's processing of dietary fat
UCLA scientists have identified a new molecule that may help regulate the delivery of fats to cells for energy and storage.

HSPH presentations to Motion Picture Association of America on depiction of smoking in movies
Harvard School of Public Health today is releasing materials presented to the Motion Picture Association of America in a scientific briefing requested by the MPAA last Feb.

Tracking alien turbulences with Venus Express
New images and data from ESA's mission to Venus provide new insights into the turbulent and noxious atmosphere of Earth's sister planet.

Award will enable researcher to bring lab discovery to clinical trial
The number of people in the US with macular degeneration is greater than that with all types of cancer combined.

RAND study finds religiosity can be an important tool in preventing the spread of HIV-AIDS
HIV-positive people who say religion is an important part of their lives are likely to have fewer sexual partners and engage in high-risk sexual behavior less frequently than other people with the virus that causes AIDS, according to a study issued today by the RAND Corp.

Research explains how lead exposure produces learning deficits
Exposure to levels of lead that are similar to those measured in lead-intoxicated children reduces the birth and survival of new neurons (neurogenesis) in the brain.

Effect of hormone therapy on risk of heart disease may vary by age and years since menopause
Secondary analyses of findings from the Women's Health Initiative suggest that women who begin hormone therapy within 10 years of menopause may have less risk of coronary heart disease (CHD) due to hormone therapy than women farther from menopause.

Sandia researchers take new approach to studying how cells respond to pathogens
A Sandia research team is taking a new approach to studying how immune cells respond to pathogens in the first few minutes and hours of exposure.

Heart failure: Intervention possibilities from imaging programmed cell loss
Using a nuclear medicine technique and molecular imaging to

Combining therapies can improve survival for early-stage breast cancer patients
Patients with early-stage breast cancer who are treated with both chemotherapy and tamoxifen have a higher survival rate than patients who receive only tamoxifen.

Cornell University chosen to build Nanosat-4 Flight experiment
The Cornell University student team and their CUSat nanosatellite design has won the University Nanosat Flight Competition Review.

Leading researchers honored for progress in cancer prevention, detection and treatment
World-class cancer researchers whose science has significantly contributed to progress in the fight against cancer will be recognized April 14-18, 2007, by the American Association for Cancer Research at its 2007 Annual Meeting in Los Angeles, Calif.

1 in 5 people will face a 'shameful' death
Most people are unprepared for the shameful reality of how they could die, warns the author of a new book charting the social history of dying.

Elsevier to publish Phytochemistry Letters
Elsevier announced today the launch of a new scientific journal, Phytochemistry Letters, in collaboration with the Phytochemical Society of Europe.

Snowy invaders point to Arctic thaw
Could climate change be to blame for the increase in numbers of snow geese that visit the US each winter?

Working up potential living liver donors
Voluntary living liver donors should undergo a careful, but quick, workup and their desire for altruism should not be hampered by negativism from the transplant community, say the authors of a new study in the April issue of Liver Transplantation, the official journal of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society.

Hubble's view of barred spiral galaxy NGC 1672
The NASA/ESA Hubble Space Telescope has delivered an unrivaled snapshot of the nearby barred spiral galaxy NGC 1672.

Jefferson scientists find rabies-based vaccine could be effective against HIV
Rabies, a relentless, ancient scourge, may hold a key to defeating another implacable foe: HIV.

Penn study points to new direction for pancreas cell regeneration
Past studies in tissue culture have suggested that one type of pancreas cell could be coaxed to transform into insulin-producing islet cells.

Combination treatment for migraine more effective than single medications
Combining two different types of treatment for migraine results in better symptom relief than taking either one of the medications, according to a study in the April 4 issue of JAMA.

Transfusion expert urges wider use of filtered blood
Filtering white cells from donor blood before a transfusion is much safer for patients and long overdue as a national standard for all surgical procedures, according to University of Rochester researchers who present their analysis in the April journal, Transfusion.

A new dawn in scientific research
A new research council was established on April 1, 2007, that will bring greater strategic leadership and an integrated approach to UK investments in large national and international research facilities and infrastructure whilst delivering world-class science, technologies and people for the UK.

Study suggests some drug resistance to influenza B medications
Use of certain common antiviral drugs during a recent influenza B epidemic in Japan showed the development of viruses with partial resistance to the drugs, according to a study in the April 4 issue of JAMA.

Questioning the new opportunities to become involved in local decisionmaking
People and organisations that in the past have been excluded from the process are now being invited to participate in decisionmaking about their own communities, but a new booklet entitled

Stop signs: Study identifies 'braking' mechanism in the brain
As wise as the counsel to

Cure for cancer one step closer
The cure for cancer is one step closer this week with the first collections of cancer tissue taking place at the new Wesley Research Institute Tissue Bank.

Flies don't buzz about aimlessly!
How you ever stopped to wonder how a fruit fly is able to locate and blissfully drown in your wine glass on a warm summer evening, especially since its flight path seems to be so erratic?

Rare case of dental patient-to-patient hepatitis B virus transmission recorded
Researchers have documented a case of hepatitis B virus (HBV) transmission between two patients at a dentist's office in the United States.

Timing of start of hormone therapy may have effect on risk of coronary heart disease
Women who initiate hormone therapy closer to menopause tend to have a reduced risk of coronary heart disease compared to women who begin treatment further from menopause, but researchers did not find this reduced risk was statistically significant, according to a study in the April 4 issue of JAMA.

Dieting does not work, UCLA researchers report
Dieting does not work, report UCLA researchers report who analyzed 31 long-term studies on dieting.

World-renowned chemist honored with inaugural lectureship
Samuel J. Danishefsky, Ph.D., is the recipient of the first annual AACR-CICR Award for Outstanding Achievement in Chemistry in Cancer Research.

Fighting for their attention
David Lusseau, in a study published this week in PLoS ONE, posits that the complexity of male social relationships in this population emerge to compete for female choice.

Media bias distorts details of past earthquakes
The story of some violent historic earthquakes may need to be revisited, according to a study published in the April issue of the Bulletin of the Seismological Society of America.

News tips from the Journal of Neuroscience
The following articles are featured in the upcoming issue of the Journal of Neuroscience:

Secondhand smoke proves to be no 'joke' on oral health
A study published in this month's issue of the Journal of Periodontology found that subjects with periodontitis who were exposed to secondhand smoke were more likely to develop bone loss, the number one cause of tooth loss.

Highlights from the April 2007 Journal of the American Dietetic Association
The April 2007 issue of the Journal of the American Dietetic Association contains articles and research studies you may find of interest.

AACR establishes new lecture in honor of Princess Takamatsu
The American Association for Cancer Research will honor Webster K.

Life-long learning -- nature provides natural inspiration for education
Three billion years of evolution can't be wrong and scientists are observing Nature's own adaptations to find solutions to human problems.

In young mice, gregariousness seems to reside in the genes
Beyond the lineage of primates, according to scientific gospel, social behavior is dictated primarily by competition for resources such as food, territory and reproduction.

Researchers discover connection between allergic diseases and autoimmune diseases
A new study by researchers at Children's Hospital and Regional Medical Center and the University of Washington identifies a connection between allergic diseases such as atopic dermatitis, also known as eczema, and autoimmune diseases.

Power and sexual harassment -- men and women see things differently
In the hands of the wrong person, power can be dangerous.

The global carbon budget -- proper accounting means paying attention to inland waters
Until little over a decade ago, when calculating the terrestrial component of the global carbon budget, inputs were limited to the ocean and the land.

Blood sugar's manufacture limited by building blocks' supply
Researchers have discovered a factor that controls blood sugar's manufacture in a novel way: by limiting the supply of its building blocks.

Call for greater use of comparative effectiveness studies to help advance disease management
The largest retrospective, observational study comparing two osteoporosis therapies on the basis of fracture reduction was presented today at the Seventh European Congress on Clinical and Economic Aspects of Osteoporosis and Osteoarthritis (ECCEO) in Porto, Portugal.

New research agreement to boost rice production, avoid food shortages in Indonesia
Efforts by Indonesia to avoid food shortages by increasing its rice production have received an important boost with the signing of a new research agreement to help the nation's millions of poor rice farmers with new technologies.

Carnegie Mellon researcher wins prestigious career award for NSF
Carnegie Mellon University's C. Fred Higgs III has received the National Science Foundation's most prestigious award for new faculty members, the Faculty Early Career Development award.

Weighing the financial risks of nuclear power plants
Power companies are rushing to invest in new nuclear reactors, largely because of promised government subsidies that make the investment seem as good as investments in other types of energy. 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