Brightsurf Science News & Current Events

January 09, 2007
Benefits of testosterone treatment unknown, research shows
Little research exists demonstrating that testosterone is both safe from the cardiovascular standpoint and effective to treat sexual dysfunction, reveal Mayo Clinic researchers in two new studies.

Education does not protect against age-related memory loss, say USC researchers
Adults over 70 with higher levels of education forgot words at a greater rate than those with less education, according to a new study from the University of Southern California.

Poniard Pharmaceuticals and the Scripps Research Institute broaden research collaboration
Poniard Pharmaceuticals, Inc., a specialty pharmaceutical company focused on oncology, and the Scripps Research Institute, a nonprofit biomedical research organization, today announced an expansion of their research agreement, which was executed on Aug.

Researchers warn milk eliminates cardiovascular health benefits of tea
Tests on volunteers showed that black tea significantly improves the ability of the arteries to relax and expand, but adding milk completely blunts the effect.

Better review of new technology is needed to reduce health costs
Advances in medical technology are a main factor driving the trend of increasing health-care costs, and industry stakeholders agree that improved evaluation methods are needed to better measure the benefits and risks of new technologies and procedures in order to avoid misallocation of health-care dollars.

UGA study finds that caffeine cuts post-workout pain by nearly 50 percent
In a study to be published in the February issue of the Journal of Pain, a team of University of Georgia researchers finds that moderate doses of caffeine, roughly equivalent to two cups of coffee, cut post-workout muscle pain by up to 48 percent in a small sample of volunteers.

UCR researchers examine how some invasive plants gain a foothold
When it comes to controlling invasive weeds, sex might be a useful weapon, according to research from UC Riverside geneticist Norman Ellstrand in an article in the Proceedings of the National Academies of Science.

Dust around nearby star has fluffiness of new-fallen 'powder' snow
A nearby star only 12 million years old is surrounded by a dusty disk reminiscent of the disk from which the Earth and other planets formed more than 4.5 billion years ago.

Scripps research combination therapy obliterates new vessel growth in tumors and retinopathy
Using a new and dramatically effective treatment approach, scientists at the Scripps Research Institute have for the first time achieved complete inhibition of new blood vessel growth in animal models of a highly vascular brain tumor and of neovascular eye diseases with little or no effect on normal tissue vasculature.

ORNL researchers, supercomputer have large roles in DOE projects
Eight projects led by Oak Ridge National Laboratory researchers have been awarded more than 27 million hours of computing time at the lab's Center for Computational Sciences.

Blood test predicts cardiac events and death in heart patients
A simple blood test for the protein NT-proBNP accurately predicts the risk of heart attack, heart failure, stroke and death in patients with known cardiovascular disease, according to a study led by a researcher at the San Francisco VA Medical Center.

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

Pancreatic cancer surgery five-year survivors 65 and up live nearly as long as anyone
Pancreatic cancer patients 65 or older who live five years after surgery have nearly as good a chance as anyone to live another five years.

New study sheds light on 'dark states' in DNA
Chemists at Ohio State University have probed an unusual high-energy state produced in single nucleotides -- the building blocks of DNA and RNA -- when they absorb ultraviolet (UV) light.

High level of cardiac biomarker may help predict risk of CVD events in patients with heart disease
A blood test for patients with coronary heart disease could help predict their risk for subsequent cardiovascular events or death, according to a study in the Jan.

The UK's top science stories: Newsline update -- issue 37
Newsline is the free quarterly publication from EPSRC (the Engineering and Physical Sciences Research Council).

Special issue of BSSA focuses on 2004 Sumatra earthquake
The 2004 earthquake is the focus of the January special issue of the Bulletin of the Seismological Society of America (BSSA), in which scientists present research and analyses about the current state of earthquakes and tsunamis, as learned from the Sumatra-Andaman event.

Dramatic results from combo therapy surprises Krabbé-disease researchers
By all expectations, it shouldn't have worked as well as it did.

Earth's strongest winds wouldn't even be a breeze on these planets
New measurements for three planets outside our solar system indicate their temperatures remain fairly constant -- and blazing hot -- from day to night, even though it is likely one side of each planet always faces its sun and the other is in permanent darkness.

National Science Foundation provides $14 million to advance research in comparative genomics
Scientists will find improved ways of studying the structure, function and evolution of the genomes of economically important plants, thanks to $14 million in new awards from the National Science Foundation.

Researchers identify gene associated with severe kidney failure in diabetes
A research team at Wake Forest University Baptist Medical Center and the University of Heidelberg has proven that a gene protects some people with diabetes from developing severe kidney failure or

Improved adherence to certain medications associated with longer survival following heart attack
New research suggests that the pharmacological effects of taking medications such as statins and beta-blockers as prescribed following a heart attack is associated with living longer, according to a study in the Jan.

Fires fuel mercury emissions, University of Michigan study finds
Forest fires release more mercury into the atmosphere than previously recognized, a multidisciplinary research project at the University of Michigan suggests.

Tumor-suppressor gene is critical for placenta development
An important cancer-related gene may play a critical role in the development of the placenta, the organ that controls nutrient and oxygen exchange between a mother and her fetus during pregnancy, and perhaps in miscarriages.

Why doesn't the immune system attack the small intestine?
Answering one of the oldest questions in human physiology, researchers at Dana-Farber Cancer Institute have discovered why the body's immune system -- perpetually on guard against foreign microbes like bacteria -- doesn't attack tissues in the small intestine that harbor millions of bacteria cells.

A star's death comes to light
Using NASA's Chandra X-ray Observatory, scientists have created a stunning new image of one of the youngest supernova remnants in the galaxy.

Calcium important for nursing mothers' oral health
Mothers who breastfeed should be sure to have enough calcium in their diet, or may risk bone loss around their teeth and gums, according to a new study that appears in the January issue of the Journal of Periodontology.

Spanish scientists reveal dynamic map of proteins
Scientists from the Institute for Research in Biomedicine, the Life Sciences Program at the Barcelona Supercomputing Center and the National Institute for Bioinformatics have published a provisional

Plants point the way to coping with climate change
Scientists studying how plants have naturally evolved to cope with the changing seasons of temperate climates have made a discovery that could help us to breed new varieties of crops, able to thrive in a changing climate.

Study examines genetic factors associated with head and neck cancer
Preliminary research indicates that several specific genetic alterations are associated with the development of smoking-related head and neck skin cancers, according to a report in the Jan.

NSF funds biofertilizer research at Rutgers-Camden
Thanks to a newly awarded three-year grant of more than $419,000 from the National Science Foundation, a research project at Rutgers University's Camden campus could help revolutionize agriculture through the use of fungi as

Superbubble of supernova remnants caught in act of forming
A superbubble in space, caught in the act of forming, can help scientists better understand the life and death of massive stars, say researchers at the University of Illinois at Urbana-Champaign.

Big-brained birds survive better in nature
Birds with brains that are large in relation to their body size have a lower mortality rate than those with smaller brains, according to new research published in the journal Proceedings of the Royal Society B: Biological Sciences today.

National Academies advisory: Review of OMB Risk Assessment Bulletin
Scientific review of the proposed risk assessment bulletin from the Office of Management and Budget, new from the National Research Council, will be released Jan.

Finding patterns of importance in a deluge of data
Two Dartmouth engineers think that PQS, or process query systems, are the way to go to make sense of the huge volume of data we collect each day from computer network monitors, video surveillance cameras, financial transaction records, databases of email exchanges, etc.

Rethinking last century's closest, brightest supernova
February 2007 marks the 20th anniversary of the nearest and brightest supernova humans have seen in 400 years.

ESA launches new project to protect biodiversity
The world's biodiversity is vanishing at an unprecedented rate -- around 100 species every day -- due to factors such as land use change and pollution.
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