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Science News for May 28, 2003


Counties in northeast, midwest continue to offer best access to U.S. population, study shows

A new study examines how much of the nation's population lives within a certain distance of each county's center, revealing that areas in the South and West are making inroads. The leading edge of top-tier accessibility has inched southward from the Midwest and Northeast to include significant portions of North Carolina and Tennessee.

SourceOhio State University·JournalJournal of Geographical Systems·DateMay 28, 2003

MIT, hospital begin cancer trials

Researchers are conducting clinical trials at a new MIT facility dedicated to neutron capture therapy (NCT), which has shown promise in reducing damage to healthy tissues. The treatment involves administering a compound containing boron-10, followed by irradiation with epithermal neutrons, killing tumor cells while sparing healthy ones.

Breastfeeding may compensate for harmful effects of smoking during pregnancy

A study of over 570 children found that those who were breastfed had better math, spelling, and reading skills compared to bottle-fed children whose mothers smoked during pregnancy. The researchers suggest that long-chain polyunsaturated fatty acids in breast milk may promote brain development and counteract the negative effects of smo...

SourceBMJ Specialty Journals·JournalJournal of Epidemiology and Community Health·DateMay 28, 2003

How black is 'super black'?

Researchers have developed the most effective commercially available black coating, NPL Super Black, with a low reflectance of 0.35% in the visible region. This breakthrough has significant implications for fields like radiometry, spectroscopy, and optical metrology, where stray light reduction is crucial.

SourceNational Physical Laboratory·JournalJournal of Materials Chemistry·DateMay 28, 2003

Combined therapies benefit heart failure patients

Researchers found that patients with combined devices showed significant improvements in quality of life, physical functioning, and exercise capacity compared to those without the devices. The study's findings have implications for treating heart failure, a disease with a five-year mortality rate of 50 percent after diagnosis.

SourceOhio State University·JournalJAMA·DateMay 28, 2003