Brightsurf Science News & Current Events

June 09, 2005
Johns Hopkins AIDS expert says global strategy needed to combat 'feminization' of HIV/AIDS
A Johns Hopkins physician and scientist who has spent a quarter-century leading major efforts to combat HIV and AIDS worldwide has issued an urgent call for global strategies and resources to confront the rapid

Patients with disease, cancer of the esophagus benefit from new technique developed by OHSU surgeons
Surgeons at the Oregon Health & Science University Digestive Health Center have developed a new technique that makes feasible and safe a potentially lifesaving and noninvasive surgical procedure known as laparoscopic esophagectomy.

Biological warfare, mad cow disease on UH student's hit list
A University of Houston student has made an award-winning breakthrough in biosensors that could help bioterrorism researchers in their ability to quickly and accurately detect toxic biological agents.

New advances may slow tumor growth in pancreatic cancer
Researchers at Dartmouth Medical School have found a promising key that may open doors to future treatments in pancreatic and other forms of cancer.

Launch of Beilstein Journal of Organic Chemistry
The Beilstein Journal of Organic Chemistry is a new peer-reviewed online journal published by the Beilstein-Institut in co-operation with BioMed Central.

Adults and children use over-the-counter hydrocortisone creams in safe amounts
One of the downsides of summer can be the itchy skin that goes hand-in-hand with this season of bug bites, sun-related rashes and poison ivy.

Mars Express discovers aurorae on Mars
ESA's Mars Express spacecraft has for the first time ever detected an aurora on Mars.

Johns Hopkins team finds 'ancestral' hepatitis-C virus at the root of evolution in infections
Researchers at Johns Hopkins have uncovered how a majority of the genetic changes in the hepatic-C virus, the most common cause of liver disease, allow it to evade the body's immune system during infection.

ESO receives Computerworld Honors Program 21st Century Achievement award in science category
ESO, the European Organisation for Astronomical Research in the southern Hemisphere, received the coveted 21st Century Achievement Award from the Computerworld Honors Program for its visionary use of information technology in the Science category.

Microbiology organization elects Zhou fellow
An Oak Ridge National Laboratory scientist researcher of microbial genomics and ecology has been elected a Fellow of the American Academy of Microbiology.

Discovery may prevent life-threatening wasting disease in patients with chronic kidney disease
Researchers at Oregon Health & Science University's Doernbecher Children's Hospital have uncovered a unique therapeutic strategy to combat cachexia -- severe malnutrition and physical wasting away -- in children and adults with chronic kidney disease (CKD).

World's fastest method for sending data in cell phones, computers created with nanotubes
UC Irvine scientists in The Henry Samueli School of Engineering have demonstrated for the first time that carbon nanotubes can route electrical signals on a chip faster than traditional copper or aluminum wires, at speeds of up to 10 GHz.

Deadly infectious entity of prions discovered
The mysterious, highly infectious prions, which cause the severe destruction of the brain that characterizes

Scientists map ocean floor near Palmer Station in Antarctica, reveal hidden dangers to passing ships
Using inflatable boats, a portable depth sounder with GPS, and a REMUS autonomous underwater vehicle, a team of scientists and engineers has created the first detailed, comprehensive chart of the ocean floor around Palmer Station in Antarctica, revealing previously unknown submerged rocks.

MicroRNA study opens potential revolution in cancer diagnosis
Despite significant progress in understanding the genetic changes in many different cancers, diagnosis and classification of tumor type remain, at best, an imperfect art.

Measuring a monster
Waves more than 15 meters (49 feet) high. Flooding of 25 square miles of land.

Research results from the 'Era of Hope' Department of Defense breast cancer research program meeting
Breast cancer research results will be presented at the 'Era of Hope' Department of Defense breast cancer research program meeting.

Scientists see human kidney development through fruit fly eyes
The laws of physics combine with the mutual attraction of two proteins to create the honeycomb pattern of fruit fly eyes, say molecular biologists at Washington University School of Medicine in St.

Sildenafil (Viagra™) approved for treatment of pulmonary arterial hypertension (PAH) as Revatio™
In a priority review the U.S. Food and Drug Administration (FDA) has approved Revatio (TM) (sildenafil) as a treatment for pulmonary arterial hypertension (PAH).

When in danger humans are similar to a deer in the headlights
People, like other animals, freeze and their heart rate slows upon seeing threatening cues.

New U. of Colorado polymer has applications for dentistry, electronics, automobiles
University of Colorado at Boulder researchers have developed a new polymer that resists cracking and shrinking, paving the way for creative breakthroughs in fields ranging from dentistry and microelectronics to the auto industry.

York scientists warn of dramatic impact of climate change on Africa
Scientists at the University of York are warning that dramatic changes may soon occur in Africa's vegetation in response to global warming.

Exercise, weight control may help reduce risk of breast cancer, Meharry-Vanderbilt study suggests
Women who exercise more and keep their weight under control may dramatically reduce their odds of developing breast cancer, a population-based study by a team of investigators at Meharry Medical College and the Vanderbilt-Ingram Cancer Center suggests.

Delaying medication for infrequent seizures may be the best option
Giving individuals with single or infrequent seizures immediate treatment does not reduce their risk of seizure recurrence in the long-term, suggests a randomised trial published in this week's issue of The Lancet.

How cell suicide protects plants from infection
Researchers at Yale have identified a gene that regulates the major immune response in plants, programmed cell death (PCD), according to a recent report in the journal Cell.

Mayo collaboration: Discovery blocks breast cancer growth, stimulates immunity
Mayo Clinic researchers today announced the discovery of a mechanism that blocks the body's natural ability to reject breast cancer.

Device traps, disables harmful bacteria
Engineers from Washington University in St. Louis and the University of Colorado at Boulder have removed bioaerosols -- airborne biological particulate matter -- from the air of a hospital therapy pool using a new generation of hybrid filters.

Pitt researchers see electron waves in motion for first time
When light shines on nanosized metal particles, it excites the electromagnetic fields on the metal's surface, known as

Junk DNA shapes social behavior
Why are some people shy while others are outgoing? A study in the current issue of Science demonstrates for the first time that social behavior may be shaped by differences in the length of seemingly non-functional DNA, sometimes referred to as junk DNA.

Information on child illness and death lacking in poor countries
Information to guide child health policy is lacking in the poorest countries with the highest rates of childhood mortality, concludes a study in this week's issue of The Lancet.

It's never too late to start exercising
Older persons who are capable of physical activity but do not exercise have an increased risk of future problems walking or climbing stairs, according to research published in the Journal of the American Geriatrics Society.

Leading scientists rank endangered dolphins, porpoises most in need of immediate action
Leading marine scientists for the first time have assessed dolphin and porpoise populations around the world which are severely threatened by entanglement in fishing gear and recommended nine urgent priorities for action in a report commissioned by the World Wildlife Fund.

Ultra-fast movies of the sky
A new window on the Universe has been opened with the recent commissioning of the Visitor Instrument ULTRACAM on the ESO Very Large Telescope.

JCI table of contents July 1, 2005
This press release contains summaries, links, and author information for the following newsworthy papers to be published online on June 9, 2005 in the JCI: Monkeying around to improve organ transplantation; Ihh can hone the bone; Learning lessons in lupus; The brain is at the heart of a chromosomal deletion disorder; A new role for NO in blood vessel maturation; and Prompting pregnancy without gonadal LHR.

Chronic infection may contribute to frailty in older women
Older women with chronic cytomegalovirus (CMV), a lifelong viral infection, were found to have more than triple the risk of being frail than those who did not have the infection, as reported in the Journal of the American Geriatrics Society. This is the first demonstration to show an association between CMV and frailty syndrome.

Medical advances, new discoveries highlighted at Society of Nuclear Medicine's 52nd Annual Meeting
Molecular/nuclear imaging professionals share scientific advances and new discoveries in treating and diagnosing a host of diseases at the Society of Nuclear Medicine's 52nd Annual Meeting June 18-22 at the Metro Toronto Convention Centre.

Pentagon agency cuts in support for basic computing research analyzed
Since its inception in 1958, the Defense Advanced Research Projects Agency (DARPA) has earned a reputation for its lead role in cutting-edge,

HIV treatment programs in poor countries as effective as in developed countries
Antiretroviral therapy (ART) programs for treating HIV in developing countries are about as effective as ART programs in developed countries, according to an article in the July 15 issue of Clinical Infectious Diseases, now available online.

Researchers create infectious hepatitis C virus in a test tube
A team of researchers led by scientists at The Rockefeller University has produced for the first time an infectious form of the hepatitis C virus (HCV) in laboratory cultures of human cells.

AMS news - study shows radars save lives
Tornado warnings have improved significantly and the number of tornado casualties has decreased by nearly half since a network of Doppler weather radars were installed nationwide by the National Oceanic and Atmospheric Administration's National Weather Service a decade ago, according to a study published in the June issue of Weather and Forecasting, a journal of the American Meteorological Society.

K-State professors issue call to mandate new curriculum for accounting degree programs
Two K-State professors are on the forefront of research on new state requirements for continuing education in accounting.

New findings show a slow recovery from extreme global warming episode 55 million years ago
Most of the excess carbon dioxide pouring into the atmosphere from the burning of fossil fuels will ultimately be absorbed by the oceans, but it will take about 100,000 years.

Quantum dots provide a faster, more sensitive method for detecting respiratory viral infections
In what may be one of the first medical uses of nanotechnology, a chemist and a doctor who specializes in infectious childhood diseases have joined forces to create an early detection method for a respiratory virus that is the most common cause of hospitalization among children under five.

Key to breast cancer prevention could hang in the balance
In a large epidemiological study of the link between energy balance and breast cancer risk, scientists have provided strong evidence that more exercise together with less weight gain affect considerably the likelihood of contracting breast cancer, the second leading cause of cancer deaths among women.

Yale poll reveals overwhelming public desire for new energy policy direction
A new Yale University research survey of 1,000 adults nationwide reveals that while Americans are deeply divided on many issues, they overwhelmingly believe that the United States is too dependent on imported oil.

Education is key to preventing loss of life during tsunamis
Philip Liu, who led a team of scientists to tsunami-hit areas of Sri Lanka in January, says education and more responsible development could minimize losses in future tsunamis.

Media violence linked to concentration, self-control
Media violence exposure may be associated with alterations in brain function whether or not prior aggressive behavior is involved.

Gamers' brains no different than yours or mine
While Mortal Combat, Grand Theft Auto, or Halo may be foreign to aging generations, a new study from Washington University in St.

Monkeying around to improve organ transplantation
Specific suppression of T cells that attack transplanted organs is needed to prevent rejection but only nonspecific immunosuppression is available.

A baby face forecasts election outcomes
According to a new study in Science, candidates who looked

Risk of heart attack may increase with certain anti-inflammatory drugs
Ibuprofen and other commonly used painkillers for treating inflammation may increase the risk of heart attack, says a study in this week's BMJ.

New memory drug works best in combination with older remedy
An experimental drug combined with an already-popular memory-enhancing compound may further delay memory loss in patients with Alzheimer's disease and other dementias.

Titan's volcano may release methane
A team of European and US scientists, using Cassini-Huygens data, have found that Saturn's smoggy moon Titan may have volcanoes that release methane in the atmosphere.

New technology can boost bottom lines for US hospitals
Hospitals are seeking better ways to capture patient documentation in order to get more accurately reimbursed.

Occupational and Environmental Exposures of Skin to Chemicals-2005
Many chemicals in the occupational and non-occupational environment may be hazardous to skin and health.

Physiotherapist' advice may be as good as physical treatment for low back pain
An exercise and education programme could provide an alternative to physical treatments for people with back pain, suggests a study published in this week's issue of The Lancet.

Tsunami research shows destructive path worse in developed areas
Last December's tsunami was a destructive force of nature that swept entire villages away and resulted in the deaths of approximately 200,000 people.

Rodent social behavior encoded in junk DNA
Understanding of human sociability and disorders such as autism may be advanced by a discovery in a species of pudgy rodents.
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