11 Jul 2008

Wasps and Bumble Bees Heat Up

Good pollen makes bees hot, biologists at UC San Diego have found. Wasps warm up too when they find protein-rich meat, a separate experiment has shown. In both cases warmer flight muscles likely speed the insects' trips home, allowing them to quickly exploit a valuable resource before competitors arrive, the scientists report in separate studies, published this month in two scientific journals........

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