Brightsurf Science News & Current Events

September 22, 2005
Scientists breed special rats to learn more about hypertension
Scientists at Wake Forest University School of Medicine have created a better research rat - the first to enable them to study how declining estrogen after menopause can affect hypertension, heart failure and kidney damage.

Squeezing out dune plants
Researchers from Texas A&M University created a model to better understand the impacts of development and coastal erosion on plant communities, including plants that grow in the ever-shrinking strip of habitat between land and the ocean.

New nutritional challenges emerge for HIV care providers
Nutritional therapy for HIV-infected patients is shifting focus. Drug treatments designed to combat the HIV virus have improved, decreasing some nutritional problems, while bringing others to light.

Motorcyclists keep their cool
A motorcycling jacket using space technology is on hand to chill MotoGP riders racing this weekend in Malaysia and next weekend in Qatar, should the heat require it.

Mayo Clinic Cancer Center receives SPORE grant for breast cancer research from NCI
Mayo Clinic Cancer Center has received a Specialized Programs of Research Excellence (SPORE) grant from the National Cancer Institute (NCI) for breast cancer research.

Researcher finds new use for botox
Botox, used by Hollywood stars to smooth out facial wrinkles, is playing an important role in UQ research to understand how nerve cells communicate with each other.

Marine bacterium suspected to play role in global carbon and nitrogen cycles
Scientists are now revisiting, and perhaps revising, their thinking about how Archaea, an ancient kingdom of single-celled microorganisms, are involved in maintaining the global balance of nitrogen and carbon.

Mars Express mission extended
ESA's Mars Express mission has been extended by one Martian year, or about 23 months, from the beginning of December 2005.

Study provides insight into virulent strain of clostridium difficile
Scientists have characterised an emerging virulent strain of Clostridium difficile that has been associated with outbreaks of severe disease in North America and Europe.

What the news and the movies leave out: Behind the scenes of disaster aid
The hurricane that devastated the Gulf Coast and the tsunami that ravaged southeast Asia was the stuff one expects to see in overblown movies, not on the nightly news.

Tycho's remnant provides shocking evidence for cosmic rays
Astronomers have found compelling evidence that a supernova shock wave has produced a large amount of cosmic rays, particles of mysterious origin that constantly bombard the Earth.

NASA technology monitors wildlife habitats from the air
Two rare species, California spotted owls in the Sierra Nevada and the Delmarva fox squirrel in the mid-Atlantic US have something in common.

Collaborative Cross to provide powerful resource for mouse model researchers worldwide
A thousand new strains of mice being bred at Oak Ridge National Laboratory as part of an international effort will provide researchers with a powerful resource for studying human disease.

Scientists attempt to answer the question; who's number one?
Mathematicians and students at Rochester Institute of Technology are developing new models aimed at providing better ranking methods with less controversy.

Insight into our sight: A new view on the evolution of the eye lens
The evolution of complex and physiologically remarkable structures such as the vertebrate eye has long been a focus of intrigue and theorizing by biologists.

Tracking membranes of rupturing blood cells sheds light on malaria infection
By specially tagging the outer and inner membranes of red blood cells infected with the malaria parasite and tracking the cellular changes that precede the cell bursting event that disperses parasites to other blood cells, a group of researchers has deepened our understanding of how the malaria pathogen destroys the cells in which it resides.

Bleach found to neutralize mold allergens
Researchers at National Jewish Medical and Research Center (NJMRC) have demonstrated that dilute bleach not only kills common household mold, but may also neutralize the mold allergens that cause most mold-related health complaints.

Should the law on euthanasia and physician assisted suicide be changed?
Next month's debate in the House of Lords could begin the process of changing the law on euthanasia and physician assisted suicide.

Media advisory: Background on Galveston 1900 Hurricane
Reporters following Hurricane Rita are advised that a report on the 1900 hurricane that devastated Galveston, Texas--still the worst natural disaster in American history--is now available on the AGU Web site.

Researchers predict infinite genomes
In a new study, TIGR scientists conclude that researchers might never fully describe some bacteria and viruses--because their genomes are infinite.

Cellular dumping site is not garbage after all
Cells can reuse the chemical messengers that carry genetic information to the machinery that makes proteins.

Hormones and growth: The control of body size and developmental growth rate in fruit flies
A pair of research papers published this week report findings that increase our understanding of how an organism's body size is determined and how the speed of its development is controlled.

Tissue stiffness drives tumor formation
Researchers at the University of Pennsylvania School of Medicine have shown that tumor formation is generated by a complex interaction of both mechanical as well as chemical signals, and the resulting tissue stiffening induces molecular signals that promote the cancerous behavior of cells.

Coming to the Arctic near you: The longer, hotter summer
In a paper that shows dramatic summer warming in arctic Alaska, scientists synthesized a decade of field data from Alaska showing summer warming is occurring primarily on land, where a longer snow-free season has contributed more strongly to atmospheric heating than have changes in vegetation.

Breast-feeding still best despite environmental chemicals in human milk
The presence of environmental chemicals in human milk does not necessarily indicate health risks for infants, according to researchers.

'The Great Influenza' wins 2005 Best Book Award from The National Academies
The National Academies today announced the recipients of its 2005 Communication Awards.

Heart disease patients face greater risk of PTSD
Heart attack patients, and most likely those with other forms of heart disease, run an increased risk of developing post-traumatic stress disorder, says a new research review done in Denmark and the Netherlands.

High exposure to motor oil increases chances of developing arthritis
Occupational exposure to mineral oils, in particular hydraulic or motor oil, increases the risk of developing rheumatoid arthritis by 30%.

Deep sea buffet for bone-devouring worms
An unusual relationship between bacteria and a newly discovered group of marine worms is the only known partnership (or symbiosis) which uses sunken marine mammals as its sole source of nutrition.

Airport screening unlikely to prevent spread of SARS or influenza
Screening passengers as they arrive at UK airports is unlikely to prevent the importation of either SARS or influenza, finds a study published online by the BMJ today.

Troubling trends converge
Researchers at the University of Chicago describe three cases of rapidly progressive and ultimately fatal Staphylococcus aureus infections in small children.

UQ researchers honoured for research excellence
Seven UQ researchers will tonight be honoured with awards totalling $450,000 at the 2005 UQ Foundation Research Excellence Awards for early career researchers to be held at Brisbane Customs House.

'Noise' affects how brain directs body to move
A UCSF study has revealed new information about how the brain directs the body to make movements.

CERN/ITU/UNU help build momentum for African research and education networking
As part of efforts to implement the outcome of the first World Summit on the Information Society (WSIS), held in Geneva in 2003, the United Nations University (UNU ) in collaboration with the International Telecommunication Union (ITU ) and the European Organization for Nuclear Research (CERN ) will hold an International Workshop on African Research and Education Networking to promote scientific cooperation with and within Africa, through the development of networking infrastructure.

Emmy Award for Melbourne biomedical animator
Drew Berry, biomedical animator for Melbourne's Walter and Eliza Hall Institute of Medical Research (WEHI), is a key member of an international team that has won an Emmy Award.

UF researchers kill resistant bugs one bandage at a time
A new type of wound dressing could keep dangerous antibiotic-resistant bacteria from spreading in hospitals, a problem that leads to thousands of deaths in the United States each year.

2005 Science and Engineering Visualization Challenge winners announced
Sometimes the best way to express a scientific idea is through an image that grabs the eye and invites viewers to wonder what they're seeing.

Declining student enrolment in science & technology
A decline in interest in science and engineering studies is being observed in a number of OECD countries.

Polar explorer delivers rare snow-depth data to ESA for CryoSat validation
The CryoSat validation programme took another important step forward on Wednesday with the official handover of a unique set of data that had been collected by the intrepid Dutch Polar Explorer Marc Cornelissen on behalf of ESA during his recent expedition to the North Pole.

Scrapping BCG vaccination in British schools is justified
From autumn 2005, the long running routine programme to vaccinate school children against tuberculosis with BCG vaccine will stop.

Panic disorder appears to increase risk of coronary heart disease
Patients with panic disorder have nearly double the risk for coronary heart disease, and those also diagnosed with depression are at almost three times the risk, according to new research.

Symposium highlights landscape, ecosystem interaction
Effective mitigation of the drastic effects of extreme natural phenomena like hurricanes, floods, landslides and wildfires through integrated environmental management that includes the perspectives of geomorphologists and ecosystem scientists is the focus of the interdisciplinary 36th International Geomorphology Binghamton Symposium to be held Oct.

Leafy green vegetables may help keep brains sharp through aging
According to a recent report in the American Journal of Clinical Nutrition, folate, a B vitamin found in foods like leafy green vegetables and citrus fruit, may protect against cognitive decline in older adults.

High blood pressure has stronger effect on mental function in blacks
Not only does high blood pressure adversely affect mental functioning, but the correlation appears to be stronger among African-Americans than among whites, researchers report in the current issue of Psychosomatic Medicine.

Ossur captures Frost & Sullivan Technology of the Year Award for breakthrough RHEO KNEEā„¢
Iceland-based Ossur receives the 2005 Frost & Sullivan Technology of the Year Award for the European medical devices market.

Worldfish Center honored as 2005 Tech Museum Awards Laureate
The WorldFish Center has been named a Laureate for the Accenture Economic Development Award for its development of an improved strain of farmed tilapia, popularly known as 'GIFT'.

Requirement for high-level mental processing in subliminal learning
We are constantly learning new things as we go about our lives and refining our sensory abilities.

Lands surface change on Alaska tundra creating longer, warmer summers in Arctic
A gradual lengthening of the snow-free season in Alaska's tundra, and a corresponding northward progression of the growth of shrubs and trees, may be creating a cycle of warmer and longer summers in the Alaskan Arctic according to a new study to be published in the Sept.

Yale procedure cuts recurrence of aggressive uterine cancer
A state-of-the-art treatment program developed at Yale School of Medicine increases survival from the aggressive uterine papillary serous carcinoma (UPSC) and spares some patients the need for additional therapy.

A cytokine not kind to an injury of the spine
Transverse Myelitis (TM) is an autoimmune disease characterized by spinal cord demyelination and axonal injury.

Treat stuttering before children start school, say experts
Stuttering is best treated early, before children start school, according to new evidence published in this week's BMJ.

Hopkins scientists uncover 'tags' that force proteins to cell surface
Johns Hopkins scientists have discovered internal 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