Brightsurf Science News & Current Events

August 09, 2005
Clinical practice guidelines for adults with several illnesses could have undesirable effects
Current clinical practice guidelines are not written with older adults with multiple illnesses in mind, according to a study in the August 10 issue of JAMA.

Aspirin treatment failure warning
Treatment failures occur with any drug and aspirin is no exception.

Freeze-dried mats of microbes awaken in Antarctic streambed, says U. of Colorado study
An experiment in a dry Antarctic stream channel has shown that a carpet of freeze-dried microbes that lay dormant for two decades sprang to life one day after water was diverted into it, said a University of Colorado at Boulder researcher.

Incidence of nonmelanoma skin cancer on the rise among young adults
A new study from Minnesota finds the incidence of nonmelanoma skin cancer increasing among men and women under the age of 40, according to an article in the August 10 issue of JAMA.

Scientists discover genetic pathway responsible for breast cancer cell growth
Scientists at the MUHC have made an important discovery that will advance our understanding of how the female hormone estrogen causes growth of breast cancer cells.

New window into ancient ozone holes
British researchers have hit on a clever way to search for ancient ozone holes and their relationship to mass extinctions: measure the remains of ultraviolet-B absorbing pigments ancient plants left in their fossilized spores and pollen.

A 'smart' bio-nanotube
By combining one natural component of a cell with the synthetic analog of another component, researchers at the University of California, Santa Barbara, have created a nanoscale hybrid they call the

Reclaimed wastewater
As water becomes ever more scarce, quenching thirsty crops with wastewater may be OK if done right, researchers here say.

AGU Journal highlights - 9 August 2005
In this issue: Lightning and ice precipitation in harmony; Muons surge at Earth's surface during a solar flare; Dense solar winds can reduce auroral electrojet strength; Where there's fire, there's smoke [near Lake Baikal, Siberia]; Siberian river isotopes offer insight into global climate change; Evidence of an ancient crater lake found on Mars; Plasma suddenly penetrates Saturn's magnetosphere; Climate alters water transport between Pacific, Indian oceans.

Gene therapy to treat haemophilia
A leading researcher from Philadelphia USA, Professor Katherine High, is examining the obstacles to successful gene therapy in human patients with haemophilia.

Getting to the TOPP of Houston's air pollution
As Texas environmental regulators prepare to implement the state's latest plan to bring Houston into compliance with federal clean air standards, researchers from Rice University and Valparaiso University are conducting the first systematic survey of atmospheric ozone above Houston using daily weather balloon launches.

No link between multiple childhood vaccinations and hospitalization for nontargeted diseases
New research does not support a belief that children receiving multiple vaccines increase their risk of hospitalization for a nontargeted infectious disease, according to a study in the August 10 issue of JAMA.

NJIT entrepreneurs demonstrate their inventions for science commission
The New Jersey Commission on Science and Technology recently met at the Enterprise Development Center (EDC) at New Jersey Institute of Technology (NJIT).

Mayo Clinic says open nephron-sparing surgery remains the 'gold standard'
Urologists often view less-invasive surgery techniques as more desirable for the patient, but in a study of open nephron-sparing surgeries (NSS) from 1985 to 2001 at Mayo Clinic, researchers found that the

University of Oregon study says sunnier Oregon summers reflect global warming
University of Oregon physicists report clear evidence of climate change according to their analysis of high quality solar radiation data gathered continuously over a 25-year period.

Bon Appétit Management Company
On Monday 8 August 2005 the Ecological Society of America, at its 90th Annual Meeting in Montréal, will present its Corporate Award to Bon Appétit Management Company (BAMCO).

Genetics may affect how older adults respond to exercise
New research suggests why some older adults who exercise have better physical function than others.

NIH selects Burnham Institute for Exploratory Center for Human Embryonic Stem Cell Research
The Burnham Institute will receive $3 M over the next three years from the National Institutes of Health (

Clinical practice guidelines may not apply to older patients with several chronic illnesses
Results of a Johns Hopkins study suggests that doctors who follow current clinical practice guidelines when caring for an older person with multiple conditions may yield an overly complicated health regimen for the patient, or potentially harmful drug interactions.

Smart wristband designed to prevent wrong-site surgery
In the near future, an alarm sounding outside the operating room door may have surgeons reaching for their pens.

Skin cancers growing in young people - A case for prevention
The incidence of non-melanoma skin cancers in young adults has increased significantly in the last three decades, according to findings of a Mayo Clinic study published in the Aug.

Restoring the 'Garden of Eden'
While much of the world has focused on the war in Iraq, a group of wetland ecologists has been busy collecting data on the Mesopotamian marshes of southern Iraq.

Study yields mixed results on potential for pine trees to store extra carbon dioxide
Southern pines appear to grow and conserve water somewhat better in the carbon-dioxide-enriched atmosphere expected by mid-century, a Duke University study has found.

On the horizon: A 'rinse' for washing machines that dries clothes
Think of it as a kind of chemical clothes wringer.

Cause of diabetes-related erectile dysfunction is clarified by Johns Hopkins researchers
A new study from the Brady Urological Institute at Johns Hopkins suggests an over-supply of a simple blood sugar could be a major cause of erectile dysfunction in diabetic men.

Nutrition scientists take a look at cataract prevention
Researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University recently sought, in three different studies, to determine if prevention of age-related cataracts is possible.

Rethinking anti-oxidants
A leading researcher at the University of New South Wales (UNSW) points out that there is little convincing evidence that dietary antioxidant supplements such as vitamin E prevent heart disease, despite claims to the contrary.

NIH awards $4.2 million grant to scientists at Scripps Research to speed DNA sequencing technologies
A team of scientists at The Scripps Research Institute in California and Oxford University in England have been awarded a $4.2 million five-year grant to conduct basic science aimed at speeding the rate at which the next generation of DNA sequencing technologies will become available to scientists and clinicians.

Plants discriminate between self and non self
Two peas in a pod may not be so friendly when planted in the ground and even two parts of the same plant, once separated may treat the former conjoined twin as an alien

Water: Researchers seek ways to make the most of a limited resource
Texas Agricultural Experiment Station researchers in El Paso look for ways to make water resources stretch further.

Volcanoes inner workings disclosed when the Earth moved
While volcanologists can see the dome of the Soufriere Hills Volcano on the island of Montserrat grow and collapse, it takes instrumentation to delve beneath the surface.

Mandelbrot receives multiple honors in Poland and Italy
Benoit Mandelbrot, Sterling Professor of Mathematical Sciences, Emeritus, at Yale University was named the 2005 recipient of the prestigious Sierpinski Prize, by the Polish Mathematical Society and the University of Warsaw.

How the brain understands pictures
Special circuits in the brain's visual center automatically organize what one sees into a

Brain's opioid receptors--or endorphin system--may hold key to treatment possibilities for bulimia
The role of the brain's opioid receptor system -- or endorphin system -- may hold the key to understanding and treating bulimia nervosa, according to research reported in the Society of Nuclear Medicine's August issue of the Journal of Nuclear Medicine.

NIGMS funds new stem cell centers
Despite their promise for research and therapeutic purposes, human embryonic stem cells are difficult to grow in the laboratory and scientists do not know how to reliably direct them to become a specific cell type.

Taking a break from fractures: A closer look at vitamin D
While vitamin D has been shown to reduce the risk of bone fracture in the elderly, a study recently published in the Journal of the American Medical Association (JAMA) raises the question of how much vitamin D is enough.

New advance in prostate cancer management
Scientists from The Institute of Cancer Research have developed a technique which will markedly help in predicting the behaviour of prostate cancer.

India's smoking gun: Dino-killing eruptions
New discoveries about the timing and speed of gigantic, 6500-foot (2-km) thick lava flows that poured out of the ground 65 million years ago could shift the blame for killing the dinos.

Penn physician urges revision of HIV-testing policies
In a commentary piece in the August 10th issue of the Journal of the American Medical Association, Scott D.

Certain gene variation associated with better mobility for older individuals who exercise
Older individuals with a certain gene variation who exercise are less likely to develop mobility limitations than individuals without the gene variation, according to a study in the August 10 issue of JAMA.

Cocoa is the new red wine
A research team in Southampton in England, led by Dr Denise O'Shaugnessy, has shown that drinking a cup of cocoa can prevent potentially fatal blood clots.

New discovery blurs distinction between human cells and those of bacteria
UCLA biochemists reveal the first structural details of a family of mysterious objects called microcompartments that seem to be present in a variety of bacteria, and the first high resolution insights into how they function.

Two new lemur species discovered
Primatologists have discovered two new species of lemurs, naming one of them after Steve Goodman, a Field Museum scientist who has devoted decades to studying the animals of Madagascar.
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