Brightsurf Science News & Current Events

July 02, 2001
Family stress a factor in asthma
A new study, believed to be the first of its kind, has established an important link between the quality of life of children with asthma and the level of stress in their family environment.

Heroin users' mystery a hope for back pain sufferers
A WORLD-FIRST study of acute pain in former heroin users could also benefit thousands of people who suffer from chronic back pain.

More sexual partners may increase risk of prostate cancer
Men should already know that sex with multiple partners, especially unprotected sex, can increase their risk of contracting HIV and various venereal diseases.

Brown dwarfs are stellar embryos evicted by siblings, according to study
Brown dwarfs, essentially stunted stars, were most likely ejected from newborn, multiple-star systems before they had a chance to accumulate enough mass to ignite the hydrogen in their interiors and flower, according to a new University of Colorado at Boulder study.

Undergrads' invention can help disabled kids enjoy playgrounds
Johns Hopkins engineering undergrads have invented a portable lifting device to help disabled kids use playground equipment.

Making cyberspace collaboration succeed
As the technology that allows collaboration over distance and time improves, the

Third Wave scientists publish advance in gene expression monitoring with revolutionary RNA InvaderĀ® Assay
Third Wave's Invader technology is capable of identifying and quantitating low levels of unique RNAs directly from total RNA or crude cell samples.

Research on extreme environments in Gulf of Mexico web-cast in July; results could lead to new information on global warming
Little is known about microbial processes in extreme environments, but a team of researchers, led by scientists at the University of Georgia and Georgia Tech, will travel to the Gulf in July and take a tiny submersible to the ocean bottom to learn more about processes that could have a major impact on such issues as the health of the seas and global warming.

Life at home key in determining child's drive for success, study shows
Persist, adapt to challenges, succeed. Why does such tenacity work for one child but not another?

Drug protects infants with high-risk heart defect from neurologic and cardiac injury after heart surgery
A drug used to treat gout in adults also helps protect infants from neurological and cardiac injury after heart surgery for a high-risk birth defect, say researchers at The Children's Hospital of Philadelphia.

UCSF scientists halt tumor growth by manipulating telomerase enzyme
UCSF researchers report that they were able to slow the growth of human cancer cells - or cause them to commit suicide altogether -- by creating just a miniscule mutation in the telomerase enzyme.

TDS - a new syndrome hitting men's reproductive health says Danish fertility expert
Danish fertility experts says doctors and scientists are almost certainly missing evidence of a new syndrome hitting men's reproductive health - Testicular Dysgenesis Syndrome (TDS)

Study allays fears about the physical and psychological development of ICSI children
Children born with the help of intracytoplasmic sperm injection (ICSI) appear to be developing normally, despite earlier concerns about their physical and psychological development, American researchers tell Lausanne conference.

Pioneering experiments testing effects of greenhouse gases on crops
Portions of 40 acres of University of Illinois farmland this summer are sprouting soybeans grown in the presence of carbon dioxide levels forecast for the year 2050.

Depression, bone mass, and osteoporosis
The National Institute of Mental Health has launched a new study of women ages 21 to 45 who are suffering from major depression to find out whether low bone mass is related to depression or stress hormones, such as cortisol.

Discovery of stagnant lithosphere says less mixing occurs in Earth
The discovery of a large amount of subducted lithosphere beneath the Fiji Islands suggests that the mixing of Earth's mantle caused by plate tectonics occurs less than previously thought, so large volumes of primordial mantle may still exist, University of Illinois researchers say.

Stopping atoms (extremely) cold: researchers develop all-optical technique to produce Bose-Einstein condensates
Georgia Institute of Technology physicists have demonstrated the first all-optical technique for producing Bose-Einstein condensates, a form of matter in which atoms cooled to a fraction of a degree above absolute zero stop their normal motion -- and enter a single quantum state in which all atoms behave identically.

Study projects dollar value of annual quake damage in Los Angeles
Residents of Los Angeles County go through life generally accepting the reality that an earthquake could shake up their world at any time.

Study gives clues to workings of anti-Alzheimer antibody
New research in mice may explain why certain antibodies could slow or reverse changes in the brain that are characteristic of Alzheimer's disease.

Testing method misses nearly 14 percent of prostate cancer cases
Traditional prostate cancer screening methods might overlook the disease in one in seven cases, a new study suggests.

System senses ice buildup on wings, alerts pilot, protects aircraft
A smart ice-management system being developed at the University of Illinois would sense the effect of accreted ice on the performance and handling qualities of an aircraft, then alert the pilot, restrict the aircraft from potentially dangerous maneuvers, and adapt the flight control system to maintain safe operation.

Explosion in numbers of advice calls to hospital since introduction of NHS Direct
Since the introduction of NHS Direct, incoming calls to one accident and emergency medicine (A&E) department have fallen by over 70 per cent.

Twenty-five million dollars designated for ACS Petroleum Research Fund grants
Grants from the American Chemical Society Petroleum Research Fund (ACS PRF) will increase from $18 million in 2001 to $25 million for 2002.

Jefferson scientists show bacterial toxin slows metastatic colorectal cancer tumor growth
Researchers have found a receptor for a bacterial toxin on the surface of metastatic colorectal cancer cells actually controls cell growth.

Genes crucial in the control of tuberculosis found by Gladstone researchers
The absence of a gene, called CCR2, can leave the body susceptible to tuberculosis, researchers at the Gladstone Institute of Cardiovascular Disease report.

Scientists report the first live births in large mammals after using frozen ovarian tissue
French scientists have succeeded in using previously frozen ovarian tissue to produce live offspring in large mammals for the first time.

UK scientists develop 'his-and-hers' fertility test kit
UK scientists and doctors have developed the world's first 'his-and-hers' home fertility test kit it was announced at the annual meeting of the European Society of Human Reproduction and Embryology in Lausanne, Switzerland.

Cutting the risk of coronary disease - start before birth says UK doctor
Modest improvements in foetal and infant growth would lead to substantial falls in disease rates in later life, an international conference in reproductive medicine is told.

NIAID symposium in Buenos Aires: Formulating a comprehensive HIV/AIDS research agenda in developing countries
In conjunction with the International AIDS Society's 1st Conference on HIV Pathogenesis and Treatment in Buenos Aires, Argentina, the NIAID will conduct a symposium entitled

New transducers may simplify treatment of prostate cancer
Researchers at the University of Illinois are developing transducers to improve the performance of ultrasound surgical beams used to treat both prostate cancer - the second leading cause of cancer death in American men - and the often painful but benign enlargement of the prostate.

Patient expectations influence success of treatments for low back pain
Investigators from Washington University in St. Louis and the University of Washington in Seattle have found that whether a patient with chronic low back pain expects a treatment to work may help determine that treatment's eventual success.

Experimental microbeam radiation therapy may offer improvement over traditional radiation treatments
An experimental form of radiation therapy, known as microbeam radiation therapy (MRT), now under development at the U.S.

As people's taste for exotic foods increases, so too does health risk
Food-borne pathogens long considered rare on North American plates are an emerging problem, and restaurant and home chefs should be more diligent about washing their fresh produce, University of Illinois food scientists say.

Annals of Internal Medicine, Tip Sheet, July 3, 2001
1). Hormone Replacement Increases Short-Term Risk but Decreases Long-Term Risk for Recurrent Heart Disease 2).

Polymer coatings stick on optical glass surface
Polymers do not usually adhere to glass nor does much of anything else, but combining glass and polymer to create composite materials is possible if an intermediary polymer coupling agent can be used as a go-between, according to Penn State material scientists.

System would harness GPS signals to study environment
Engineers at Purdue University and NASA have developed a new technique for monitoring the environment by using routine signals that already are being beamed to Earth by global positioning systems.

Brain parses 'movies of our lives' into small meaningful chunks
With so much of our modern lives dominated by movies and television, it's easy to think of perception as a continuous, unedited, uncut version of the world around us.

Lithographic technique creates neuronal networks in a dish
Using a lithographic technique called microstamping, a University of Illinois scientist has produced patterned surfaces on glass substrates that integrate biocompatible materials and live nerve cells.

One in four patients has been drinking before arrival at accident and emergency
One in four patients has been drinking before arrival at accident and emergency.Alcohol was implicated in almost all cases of self-harm, almost half of collapses, half of all assaults, and half of admissions to hospital, the findings show.

Caution urged in research with angiogenesis therapy
Using gene therapy to spur new blood vessel growth and improve blood flow is a promising treatment for clogged arteries leading to the heart or legs.

Tiny trickster flies into the zoological books
The newly formed Centre for Evolutionary Biology & Biodiversity at Adelaide University is part of the international team which has discovered a new family of parasitic wasps in the windy islands of New Zealand.

KETEK (Telithromycin) highly effective in the treatment of pneumococcal bacteraemia associated with community-acquired pneumonia
The results of 2 new studies presented today at the 22nd International Congress of Chemotherapy (ICC) in Amsterdam, Netherlands on a new investigative treatment - Ketek (telithromycin) - may change the way patients are treated with infections in the future around the world.
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