Brightsurf Science News & Current Events

August 16, 2001
European authorities overlook cancer screening guidelines
European recommendations for cancer screening have yet to be officially validated, despite a consensus agreement by experts from all EU member states back in November 1999, according to a letter in this week's BMJ.

Trouble in paradise? 'Natural' pest control requires careful planning, Science authors conclude
Parasitic wasps and flies have been introduced to Hawaii at least 122 times over the last 100 years as

Researchers generate new approach to working with laser light
A team of researchers in Boulder, Colo., has generated a new and flexible approach to working with laser light in the world of ultrafast science by successfully combining extremely short pulses of light generated by two independent lasers into a single pulse of light.

Drinking hot tea may protect against skin cancer
BioMed Central publishes the first large-scale clinical study investigating the potential of tea and citrus peel in the prevention of squaumous cell skin cancer in humans.

Shifting liquid crystals may serve as personal, portable chemical sensors, Science researchers report
Liquid crystals formed from molecules weakly tethered to a nanotextured surface could form the basis of highly sensitive, wearable sensors to detect personal exposure to certain synthetic organic chemicals, researchers report in the 17 August 2001 issue of the journal Science.

Sanitary facilities in primary schools are inadequate
Provision of sanitary facilities in primary schools is inadequate, despite recent evidence that almost one in eight girls start their periods while still at primary school, according to a letter in this week's BMJ.

New test can rule out heart damage within six hours
A new test to assess chest pain in UK emergency departments can rule out the possibility of heart damage within six hours, allowing safe discharge of patients and reducing unnecessary admissions, finds a study in this week's BMJ.

Fire ant queens and workers negotiate 'truce' on colony sex ratio
It may be the world's tiniest power struggle: Queens and workers in fire ant society are often at odds about the proportion of new male and female ants raised in their colonies.

Mother's age and birth order influence risk of childhood diabetes
In firstborn children, risk of diabetes is not associated with a mother's age, but among second or later born children there is a positive association, finds a study in this week's BMJ.

ORNL computational center awarded funding for climate studies
DOE initiative targets heart of fusion machine OAK RIDGE, Tenn.,- Enormous computing power and $1.2 million from the Department of Energy are expected to help researchers at Oak Ridge National Laboratory, Massachusetts Institute of Technology and Princeton University better understand and control fusion machines.

Small excess risk of birth defects associated with living near landfill sites
Researchers in this week's BMJ report small excess risks of birth defects and low birth weight among people living near landfill sites in Great Britain.

UNC Center for Genome Sciences to inaugurate new seminar series with help of national experts
The University of North Carolina at Chapel Hill's new Center for Genome Sciences will kick off a seminar series on functional genomics, proteomics and bioinformatics Aug.

Electronic tags reveal transatlantic migrations and breeding grounds of Atlantic bluefin tuna
Atlantic Bluefin tuna populations are mixing together on their feeding grounds but moving to distinct spawning grounds in the Western Atlantic and the Eastern Mediterranean These and other significant insights into the migrations, diving patterns, thermal biology and environmental preferences of the prized warm-blooded giants are described in a new study in the journal Science.

Cystic-fibrosis patients susceptible to pseudomonas cross-infection
Two research letters in this week's issue of THE LANCET provide new evidence that patients with cystic fibrosis (CF) are susceptible to cross-infection-including superinfection-to the bacterium Pseudomonas aeruginosa.

Girls make twin brothers heavier (p 560)
A Belgian study of non-identical twins published in a research letter in this week's issue of THE LANCET shows that the female twin prolongs gestation resulting in a heavier male birthweight compared with birthweights of same-sex male twins.

One step closer to rotavirus vaccination for children with HIV
Results of a hospital-based study in Malawi published in this week's issue of THE LANCET suggest that children with HIV infection could potentially benefit from vaccination against rotaviruses, the main cause of severe, dehydrating diarrhoea in infants and young children throughout the world.

New insight into diet and colon cancer
By looking at the cellular mechanisms underlying colon cancer - the second leading cause of cancer death in the United States - scientists at Texas A&M University have gained new insight into how diet affects colon cancer, which could lead to new ways of treating the disease.

ACE inhibitor takers plagued with cough may have iron-clad cure
Iron supplements may be a simple remedy for the

Church-based programs lower heart disease risk for African-American women
Church-based nutrition and exercise programs can move African-American women to adopt healthier habits, according to a study led by Johns Hopkins researchers.

Swedish study refutes link between treatment for high blood pressure and cancer (p 539)
A Swedish study published in this week's issue of THE LANCET refutes the theory that treatment for high blood pressure (hypertension) could be linked to an increased risk of cancer.

Center for the Advancement of Health to develop urban-life indicators
The Center for the Advancement of Health has received a one-year $195,000 grant from the W.
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