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Science News for June 3, 2007


Genetic mutations identified for type of gastric cancer

Researchers have identified novel genetic mutations linked to hereditary diffuse gastric cancer, which are due to both independent mutational events and common ancestry. The study found that between 30% and 40% of families with a positive family history of gastric cancer will carry germline mutations in the CDH1 gene.

SourceJAMA Network·JournalJAMA·DateJun 3, 2007

A sound way to turn heat into electricity

Researchers have developed small acoustic heat-engine devices that convert waste heat into sound and then into electricity. The technology shows promise for harnessing solar energy and cooling electronics, with plans to test the devices within a year at military radar facilities and universities.