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Science News Archive October 2006


Page 1 of 17

New project on nature's 'capital'

The Natural Capital Project aims to calculate ecosystem services' value to people, highlighting the importance of conserving natural systems. By incorporating these values into policies, conservation can be a profitable use of land, benefiting both biodiversity and human life.

SourceWorld Wildlife Fund·JournalPLOS Biology·DateOct 31, 2006

SIDS infants show abnormalities in brain area controlling breathing, heart rate

Researchers found that SIDS infants had more neurons manufacturing and using serotonin than control infants, but fewer serotonin receptors, suggesting an abnormal level of serotonin. This study provides the strongest evidence to date for a specific brain area controlling breathing and heart rate abnormalities in SIDS.

In most comprehensive study yet, two-week regimen helps stroke survivors regain arm control

A two-week rehabilitation program using constraint-induced movement therapy (CIMT) significantly improved function of the affected arm in stroke survivors. CIMT involves training the weakened hand and arm through repetitive exercises while restraining the unaffected hand and arm, forcing patients to use their affected limbs.

Microwave pre-cooking of French fries reduces cancer chemicals

A study published in the Journal of the Science of Food and Agriculture found that microwaving French fries before frying significantly reduces acrylamide content. Researchers discovered that microwave pre-cooking prior to frying resulted in a marked reduction of acrylamide levels, with notable decreases at higher temperatures.

SourceWiley·JournalJournal of the Science of Food and Agriculture·DateOct 31, 2006

Governments should act now to save threatened turtles

Research reveals the journeys of endangered adult females traveling thousands of miles across boundaries between countries, highlighting the need for a team effort in their conservation. The study's findings emphasize the importance of protecting these fragile populations from habitat destruction, bycatch, and other human impacts.

SourceUniversity of Exeter·JournalEndangered Species Research·DateOct 31, 2006

New cancer-fighting virus kills invasive brain cells

Researchers have found that a cancer-fighting virus called VSV kills the most malignant form of brain cancer in mice, targeting invasive tumour cells. The study also discovered that delivering VSV intravenously can effectively treat malignant glioma with minimal side effects.

SourceAlberta Cancer Board·JournalJNCI Journal of the National Cancer Institute·DateOct 31, 2006

First global study of sexual behavior

The first global analysis of sexual behavior data found that monogamy is the dominant pattern worldwide, and developed nations report high rates of multiple partnerships. Despite this, adolescents have high rates of unintended pregnancy, unsafe abortions, and STIs.

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 31, 2006

Researchers show that veins stiffen as we age

Researchers have confirmed that veins stiffen as we age, a change that may contribute to high blood pressure. Regular exercise training may help maintain vein flexibility. The study, led by William Farquhar from the University of Delaware, recruited healthy young and older adults and monitored their blood flow.

SourceUniversity of Delaware·JournalJournal of Applied Physiology·DateOct 31, 2006

Antiprotons 4 times more effective than protons for cell irradiation

The ACE experiment found that antiprotons are four times more effective at terminating live cells than protons, with the potential to reduce damage to healthy tissue. Researchers plan further tests to assess the effectiveness of antiprotons for cancer therapy and ensure minimal harm to surrounding tissues.

SourceCERN·JournalRadiotherapy and Oncology·DateOct 31, 2006

Drug prescribed for migraines and seizures increases risk of kidney stones

Researchers at UT Southwestern Medical Center found that long-term use of topiramate can increase the propensity of calcium phosphate kidney stones due to metabolic acidosis and changes in urine pH and citrate levels. The study suggests a need for further research on optimal measures to prevent kidney-stone formation with topiramate use.

SourceUT Southwestern Medical Center·JournalAmerican Journal of Kidney Diseases·DateOct 31, 2006

Nanotechnology goes out on a wing

Researchers have used cicada wings as stamps to create negative imprints of nano-scale patterns on polymer films. The wings' waxy coating imparts a low surface tension, allowing for the creation of 'nano-wells' with promising anti-reflective properties.

SourceWiley·JournalSmall·DateOct 31, 2006

Turmeric supplements show promise in treating arthritis

Researchers found that turmeric extract inhibited joint destruction and inflammation, altering gene expression and preventing osteoclast activation. A dose of 1.5 milligrams per day may be effective for humans, suggesting a potential mechanism similar to anti-inflammatory drugs.

SourceWiley·JournalArthritis & Rheumatism·DateOct 30, 2006

Hope remains for Alzheimer's sufferers

Recent research published in the Lancet has shown that nursing home patients with severe Alzheimer's disease experienced significantly improved cognitive function when treated with donepezil. Additionally, data suggests that these drugs are effective in patients with milder forms of Alzheimer's disease, sparking hope for a potential re...

SourceFuture Science Group·JournalFuture Neurology·DateOct 30, 2006

Computing catches up with theory

A team of researchers has developed a model that tests Pe-ter Richardson's long-held hypothesis about the formation of blood clots. The model, which uses high-speed computing, reproduces several odd features of thrombus growth observed in laboratory experiments and tissue pathologies.

SourceBrown University·JournalProceedings of the National Academy of Sciences·DateOct 30, 2006

Shopping still costs the Earth

A recent study by the University of Leeds reveals that consumers often trade off environmental performance for price, with most valuing bargains over eco-friendly options. Researchers identified three types of consumers: selectors, translators, and exceptors, who vary in their commitment to sustainable values.