Brightsurf Science News & Current Events

January 20, 2005
UBC prof's research challenges prevailing theory of how new species evolve
A research team lead by University of British Columbia zoology assistant professor Darren Irwin is the first in the world to demonstrate a genetic gradient--or path of gradually changing genetic traits--between two distinct species that have been isolated by distance.

DuPont electronic materials keep Mars rovers going one year later
One year to the month after Spirit and Opportunity landed on Mars, the Rovers are still roaming the planet, sending back crystal-clear images of the Martian surface.

Mouse brain cells rapidly recover after Alzheimer's plaques are cleared
Brain cells in a mouse model of Alzheimer's disease have surprised scientists with their ability to recuperate after the disorder's characteristic brain plaques are removed.

Intelligence in men and women is a gray and white matter
While there are essentially no disparities in general intelligence between the sexes, a UC Irvine study has found significant differences in brain areas where males and females manifest their intelligence.

Journal of Nuclear Medicine Supplement summarizes current molecular radiotherapy
A special supplement to the Society of Nuclear Medicine's Journal of Nuclear Medicine examines current and future uses of radionuclide therapy and its importance in medical practice and patient management.

Born to run? Capacity for aerobic exercise linked to risk of heart disease
A new research study, to be published in the Jan.

Key molecule in plant photo-protection identified
Another important piece to the photosynthesis puzzle is now in place.

Sensor system to gauge effects of cosmic rays on lunar explorers
Boston University Professor Harlan Spence recently learned that his proposal for CRaTER, an instrument that will measure and characterize the potential biological effects of cosmic radiation on humans, was one of six selected by NASA for the Lunar Reconnaissance Orbiter mission scheduled for fall 2008.

Study shows strengths, gaps in quality of care for kids in California's public mental health clinics
A UCLA-led study of children's patient records at California's public mental health clinics identifies strengths and gaps in quality of care.

New evidence indicates biggest extinction wasn't caused by asteroid or comet
For the last three years evidence has been building that the impact of a comet or asteroid triggered the biggest mass extinction in Earth history, but new research from a team headed by a University of Washington scientist disputes that notion.

ASU researcher gets grant to explore new methods of hydrogen generation
A group of ASU researchers at the Biodesign Institute received a $1.5 million grant from the US Department of Energy to explore innovative methods for generating hydrogen.

Hospital admissions for asthma more likely for ethnic minorities in the UK
South Asian and black people in the UK are more likely to be admitted to hospital for asthma-related problems than white people, concludes a study published in this week's issue of The Lancet.

'Evil twin' hotspots are a new menace for internet users, warns Cranfield University
'Evil Twin' hotspots: the latest security threat to web users, according to wireless internet and cyber crime experts at Cranfield University, academic partner of the Defence Academy of the UK.

Technology that could double the effectiveness of cancer drugs studied at Yale
To identify the best treatment for recurrent ovarian cancer, researchers at Yale School of Medicine are studying a technology called the Yale apoptosis assay in combination with another technology, which could double the response rate to existing drugs.

Tsunami fault
Livermore researchers have determined the Karakorum fault in Tibet, a feature formed by the same tectonic

UCI chemist William Evans wins American Chemical Society's top award in inorganic chemistry
For his many contributions to the chemistry of lanthanide elements, the American Chemical Society has awarded UC Irvine's William J.

Linguistics may be clue to emotions
Words may be a clue to how people, regardless of their language, think about and process emotions, according to a Penn State researcher.

Intellect linked to risk of suicide in young men
Intellectual capacity in early adulthood is strongly related to subsequent risk of suicide in men, finds a study in this week's BMJ.

A new New Year's reason to work out: Exercise improves three measures of heart protection
A study showed that more physically fit women have better blood clotting profiles than unfit women.

Researchers hope monkeys can provide new insights into depression
Monkeys get depressed, too, and scientists hope that studying them could lead to better treatments for depressed people.

Mission to Mars: Grade schoolers tackle the red planet at UH
Toxic soil and radiation are no challenge for grade schoolers who invade the University of Houston annually for citywide finals of the Mars Rover Model Competition.

Insulin resistance intervention after stroke focus of $33 million grant
Researchers at Yale School of Medicine and over 60 collaborating research sites received a $33 million grant from the National Institutes of Neurological Disorders and Stroke (NINDS) to conduct a multi-center trial examining a novel approach for treating patients with stroke.

AGI publishes 10th edition of GeoRef Thesaurus
The American Geological Institute (AGI) has released the tenth edition of the GeoRef Thesaurus.

Yale cardiovascular researcher named Bayer Fellow 2004-05
The Bayer Pharmaceuticals Corporation has given the 2004 Bayer Award to Raymond R.

The automobile of the future on the way
ROBOTIKER-TECNALIA Technological Centre is currently developing the project known as TANGER (Technologies for New Generation Automobiles).

Antibody treatment partially reverses nerve damage in Alzheimer disease
Researchers from Washington University School of Medicine have shown that an antibody treatment administered to the brain surface in mice with Alzheimer disease is capable of rapidly reversing disease-related structural nerve damage.

Molecule predicts colon cancer patient survival
Harvard researchers have examined the factors that help spur the progression of colorectal cancer and identified the integrin ávâ6 as an important risk factor for development of early-stage disease.

Implications for the archaeology of warfare in the Andes
Using pre-Columbia Andean South American as a case study, Elizabeth Arkush and Charles Stanish of UCLA further the archaeological debate on the significance of warfare in societal development by re-examining current interpretations of the evidence of ritualized and defensive conflict in the ancient Andes.

Common antidepressants lower effects of tamoxifen in many women
Results of large clinical trial -- Indiana University School of Medicine, University of Michigan and Johns Hopkins University researchers confirm that selective serotonin reuptake inhibitor antidepressants may hinder the effectiveness of tamoxifen.

Scientists find evidence of electrical charging of nanocatalysts
Studying nano-sized clusters of gold on a magnesium oxide surface, scientists found direct evidence for electrical charging of a nano-sized catalyst, an important factor in increasing the rate of chemical reactions.

American Academy of Neurology names two Advocates of the Year
Maureen A. Callaghan, MD, of Olympia, Wash. and Mohammad Wasay, MBBS, MD, of Karachi, Pakistan have been selected as the American Academy of Neurology's 2004 Advocates of the Year.

Sinking coastlines may precede large subduction zone quakes
Earthquakes like the recent destructive temblor in Asia seem to strike without warning, but there may be subtle effects that precede such quakes, according to UC Berkeley scientists and their Alaskan and Canadian colleagues.

T cells target HIV in a relationship on the rebound
After a break in antiretroviral drug therapy in HIV-positive patients, the virus rebounds and begins to multiply.

Relatives of living ducks and chickens existed alongside dinosaurs more than 65 million years ago
Newly published North Carolina State University research into the evolution of birds shows the first definitive fossil proof linking close relatives of living birds to a time when dinosaurs roamed the earth.

Invasive procedures do not necessarily improve survival for heart patients
Invasive procedures, often given to patients as soon as they are admitted to hospital with a life-threatening heart condition, do not necessarily improve survival, finds a study published on bmj.com today.

Protein adiponectin appears protective against heart disease
Reduced blood concentrations of a protein specific to fat tissue called adiponectin appear to indicate a significant risk of cardiovascular disease in one of the first studies to focus on risk of the disorder among patients with diabetes mellitus type 1, previously known as juvenile diabetes.

Pharmacist review does not keep older people out of hospital
The NHS recommends regular medication reviews for older patients, yet a study published on bmj.com today finds that home based monitoring does not keep older people out of hospital.

Psychologists define personality types involved in group projects
Experiments reveal that in any given group of people you'll find three kinds of coworkers: Cooperators, Free Riders, and Reciprocators.

Many of George Bush's health policies likely to be controversial
Many health policies under George Bush's second term in office are likely to be controversial, warns a leading British doctor and an American colleague in this week's BMJ.
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