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Science News for April 11, 2008


With annual deaths from malaria on the rise: Scientists ask 'where is all the money going?'

A new study questions the effectiveness of $220 million in malaria prevention efforts, citing a surge in annual mortality rates among teens and adults. The researchers call for addressing environmental factors contributing to malaria growth and developing more efficient control programs.

SourceAmerican Society of Tropical Medicine and Hygiene·JournalAmerican Journal of Tropical Medicine and Hygiene·DateApr 11, 2008

Prices at the push of a button

A networked electronic display system allows store managers to quickly update prices on displays via a central computer, eliminating the need for physical price tag changes. The system uses small data packages transmitted between receivers and transmitters, ensuring fast and reliable price updates.

Macadamia nuts can be included in heart healthy diet

A recent study found that macadamia nut consumption as part of a heart-healthy diet reduced low-density cholesterol and triglyceride levels. The researchers used a controlled feeding study with participants who consumed either a standard American diet or a diet supplemented with macadamia nuts.

SourcePenn State·JournalJournal of Nutrition·DateApr 11, 2008

Cycling more intelligently

Researchers at Fraunhofer-Gesellschaft have developed intelligent bicycle pedals that track pedaling force and provide real-time feedback to cyclists. The integrated sensors and electronic components enable the system to optimize cycling performance and detect potential issues, such as material fatigue in aircraft parts.