Brightsurf Science News & Current Events

February 17, 2006
Deep X-ray surveys reveal black hole population, glimpse at the universe
Data from X-ray observatory surveys show that black holes are much more numerous and evolved differently than researchers would have expected, according to a Penn State astronomer.

Lower doses of clot-busting drug safer for stroke patients
A Johns Hopkins study has shown that patients treated for a type of stroke caused by bleeding in the brain, or intracerebral hemorrhage, survived more often if given 1 milligram instead of the previously studied 3 milligram dose of the clot-busting drug tissue plasminogen activator (tPA).

Hooked on fishing, and we're heading for the bottom, says scientist
The world has passed

World faces challenge as life expectancies lengthen, scientist says
In the 21st century, state-of-the-art anti-aging technologies may extend human lifespans at an unprecedented rate, bringing with them a host of social and economic challenges, says biologist Shripad Tuljapurkar of Stanford University.

Experimental TB drug effective against resistant and latent mycobacterium tuberculosis
An experimental tuberculosis drug may be effective against not only multi drug-resistant forms of the disease but could also be the first compound to treat the latent stage of infection as well.

Vinegar increases killing power of bleach
Adding white vinegar to diluted household bleach greatly increases the disinfecting power of the solution, making it strong enough to kill even bacterial spores.

Michigan State research sheds new light on health dangers of nanoparticles
The nose, usually the first line of defense against inhaled airborne particles that could damage the lungs, may itself be susceptible to the dangers of extremely small particles, called nanoparticles.

Bringing the zoos to the zebras
The Grevy's zebra is the most endangered member of the horse family in the world, with an estimated 2000 left in the wild.

Grand challenge seeks carbon sequestration, hydrogen production solutions
In just six months of collaboration, a Department of Energy grand challenge led by Washington University in St.

Born with a love of speech
Do human newborns develop their preference for speech through in-utero eavesdropping, or is their penchant for speech innate?

German Microarray Excellence Center integrates Genomatix Chip Analysis Pipeline
KFB and Genomatix signed a cooperation and license agreement that integrates the innovative Genomatix GeneChip® Analysis-Pipeline with KFB's Affymetrix GeneChip® Services.

Can science-based resource management work?
The Valles Caldera National Preserve in New Mexico is a unique experiment in integrating science into the management of public lands.

First wolverine radio-collared in Pacific Northwest
The capture initiates the first scientific study of wolverines ever conducted in the Pacific Northwest.

New, expensive, widely-used drugs continue to cause liver problems, says Jefferson liver specialist
Adverse drug reactions in the liver are the most common reason for drugs to be taken off the market, and the federal Food and Drug Administration now wants better ways to detect these problem drugs before they reach the market and injure users.

Crossing the Valley of Death: Moving science into practice and policy
Society can't afford to take decades to put new insights about the environment into practice, say two scientists from The University of Arizona in Tucson.

Apple trees resistant to fire blight and apple scab
Apple scab and fire blight are two of the most important diseases affecting apple trees.

Preventive Medicine 2006 conference to feature quality improvement and patient safety
Physicians and other healthcare professionals with expertise in quality improvement, disease prevention, and health promotion are gathering for Preventive Medicine 2006 to explore the state of the art in quality improvement and patient safety.

Unique exhibit provides glimpse of robotic future
Picture a computer with no keyboard, mouse or monitor... just projected light, and a space that behaves like magic.

Researcher tackles complexities of obesity, diabetes and their age-related complications
Long-term studies show that calorie restraint is key to preventing obesity and its age-related health complications such as diabetes.

Partnering with community groups improves K-12 science education
The recent revolution in the life sciences - the sequencing of the human genome, and development of

Anabolic steroid use increases heart attack risk and causes liver damage
Anabolic steroid use causes decreased levels of HDL or

Steps made toward overcoming biological obstacles to cell therapy for cancer
CD8+T cells that were tolerant of tumor antigens could be encouraged to proliferate by being mixed with interleukin-15.

New nano-canary in the nanotoxicology coalmine: The body itself
There is growing consensus among scientists, regulators, politicians, industry and the public that we need to know more about the possible harmful or adverse effects of nanoparticles on human health.

Problems at World Anti-Doping Agency will 'drive innocent athletes out of sport'
The current approach of the international agency responsible for fighting the use of drugs in sport will drive innocent athletes out of the Olympic Games, according to an article in the International Journal of Sports Science and Coaching.

Disturbing former farmlands can rouse old pesticides, says Dartmouth research
Dartmouth researchers have evidence that disturbing the land where farms once thrived can mobilize both arsenic and lead that were applied as pesticides in the early 1900s.

Drug use linked to brain hemmorhage in young adults
A fifth of young adults whose blood vessels ruptured inside their brain abused drugs and more than 40 percent had malformed blood vessels, according to a study reported Feb.

Pregnancy, not high-risk behavior, predictor of STD testing among newly homeless youth
In the first study of its kind focusing on newly homeless youth, UCLA researchers have found that high-risk sexual behavior did not predict whether these youths were tested for sexually transmitted diseases.

Former smoker-led intervention program helps women quit
Former smokers from the community, a nicotine patch and group support may be the best combination for helping women in public housing stop smoking, researchers have found.

Warmer than a hot tub: Atlantic Ocean temperatures much higher in the past
Scientists have found evidence that tropical Atlantic Ocean temperatures may have once reached 107°F (42°C), about 25°F (14°C) higher than ocean temperatures today and warmer than a hot tub.

High school AP courses do not predict college success in science
A survey of 18,000 college students enrolled in introductory biology, chemistry, and physics has found little evidence that high school Advanced Placement (AP) courses significantly boost college performance in the sciences.

Progeria progress: Studies show how mutant protein hurts hearts
Two new research studies on progeria, published in the Proceedings of the National Academy of Sciences, detail the damage a mutant protein does to blood vessel cells of humans and mice.

New research from magnet lab, Scripps Florida gives scientists powerful tool for drug discovery
Researchers at Florida State University's National High Magnetic Field Laboratory in Tallahassee, Fla. and Scripps Florida have developed and evaluated a robust new system for analyzing how drugs bind to proteins.

Nobel Laureate Eric Kandel to discuss the 'New Science of the Mind'
Nobel Laureate Eric Kandel will present a lecture, In Search of Memory: The Emergence of a New Science of Mind, based on his new book of the same title.

Protein level predicts who will develop deadly complication after marrow transplant
Researchers could determine one week after a bone marrow transplant which patients were likely to develop a serious and deadly complication, making them candidates for preventive treatment before any symptoms occur.

Humans making wildlife sick
Whether it's monkeys and AIDS or mosquitoes and the West Nile Virus, we're used to thinking of wildlife as reservoirs for emerging infectious human diseases.

Kereos presents at AAAS, discusses nanotech-based disease diagnosis and treatment
This year's American Association for the Advancement of Science (AAAS) Annual Meeting February 16-20, 2006 in St.

USF College of Public Health one of 12 institutions named to Kellogg Foundation initiative
The Univeristy of South Florida College of Public Health has been selected one of 12 institutions to join a W.

PNNL recognized for commercializing technology
Pacific Northwest National Laboratory has been recognized for transferring technologies that treat and cure cancer, uniquely analyze massive sets of data, neutralize toxic chemicals from the environment and increase surgical implant success rates.

Grand challenges, national lab-style
The W.R. Wiley Environmental Molecular Sciences Laboratory (EMSL), a Department of Energy-sponsored national scientific user facility, is seeing early promise from its two scientific

Nanotech to improve health care delivery - at the molecular scale
Nanotechnology's potential for improving drug delivery, tissue regeneration and laboratory miniaturization is being explored by a diverse array of University of Michigan researchers.

Local involvement in national lands management: Can it work nationwide?
Having a say in how the government manages nearby federal lands makes sense to both local residents and federal officials.

HUP welcomes a Swedish invasion
The Hospital of the University of Pennsylvania (HUP) is ready for a very traumatic visit.

Mechanism for memory revealed in neurons of electric fish
Researchers from The University of Texas at Austin studying electric fish have gained new insight into how memory is stored at the level of neurons.

Rural economy 'failed' by UK Government, says Foot and Mouth five-year anniversary report
Measures to boost the UK's rural economy after the devastating Foot and Mouth crisis have failed, according to new research out today on the fifth anniversary of the disease outbreak.

Doctors develop new measures for bone disease
As we age we can expect to shrink an average of three to four centimeters.

Bridging the gap between basic science and medical practice
The UC Davis School of Medicine is among 13 innovative graduate programs in the nation to receive funds from the Howard Hughes Medical Institute to foster the translation of basic science discoveries into new medical treatments.

Princeton professor foresees computer science revolution
At a AAAS panel February 17, Princeton Professor Bernard Chazelle foresees algorithmic advances that he says will transform the way science is done.

Large prospective study examines colon cancer risk in women
A prospective cohort study of 31,783 American women has found no significant association between levels of physical activity and colon cancer incidence.

Professor Wright co-authors new ACM report on voter privacy
Dr. Rebecca Wright, Associate Professor of Computer Science at Stevens Institute of Technology, is one of the authors of a new report, the Electronic Voter Registration Database Study, commissioned and recently issued by the Association for Computing Machinery's (ACM) US Public Policy Committee (USACM).

High-tech tags on marine animals yield valuable data for biologists and oceanographers
Researchers are enlisting seals, sea lions, tunas, and sharks to serve as ocean sensors, outfitting these top predators with electronic tags that gather detailed reports on oceanographic conditions and, in many cases, transmit the data via satellite.

Strokes in children need to be recognized quickly
Although usually thought of as afflicting only elderly patients, strokes may occur as early as infancy.

Let patients use their own terms to describe ethnicity
Allowing patients to use their own terms to describe their race or ethnicity for medical records may help reduce differences in how health care is provided to racial and ethnic minorities versus whites, according to a study in the March issue of the American Journal of Public Health.

New theory resolves mystery of anomalous cosmic rays
When Voyager 1 finally crossed the

Too much sugar not good for coral reefs
The race is on to buy up inexpensive land along coastlines for vacation homes and tourist hotels.

Anthrax spores may survive water treatment
Anthrax spores may survive traditional drinking water disinfection methods and can attach themselves to the inside surface of water pipes, suggesting water treatment facilities should be prepared to employ alternate disinfection methods in the unlikely event of the release of anthrax in the water supply.

Future of pain therapies at forefront of physician meeting
A Food and Drug Administration (FDA) official will address pain medicine physicians' concerns about the FDA's stance on new pain therapies in the pipeline at the American Academy of Pain Medicine's (AAPM) 22nd Annual Meeting at the Manchester Grand Hyatt in San Diego, Calif., February 22 - 25, 2006.

First ARVO/Alcon Early Career Clinician-Scientist Research awardees announced
The ARVO Foundation for Eye Research, a supporting non-profit of the Association for Research in Vision and Ophthalmology (ARVO), today announced the recipients of the first ARVO/Alcon Early Career Clinician-Scientist Research Awards.

Environmental metagenomics diagnosing extreme environments, tapping opportunities for clean energy
In his recent State of the Union speech President Bush said technology is the best way to break the nation's addiction to oil.

The rising tide of ocean plagues: How humans are changing the dynamics of disease
A leading group of epidemiologists, veterinarians and ecologists report that humans are affecting the oceans in ways that are changing the dynamics of disease.

Student group develops grassroots effort to create science policy dialogue
What began as a small group of University of Washington students organizing a public forum on a controversial science policy question has since grown into an organization that is fostering dialogue between scientists, the public, and political leaders.

ASPB supports the President's research initiatives
The American Society of Plant Biologists today issued it's strong support for the American Competitiveness Initiative (ACI) and Advanced Energy Initiative recommended by President Bush.

New 'active cookie' helps protect Internet users from cyber crooks
A new technique developed by Indiana University cybersecurity expert Markus Jakobsson provides a strong shield against identity theft and cyber attacks. 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