Wasps and bumble bees heat up, fly faster with protein-rich food

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.

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<p><a href="http://www.physorg.com/news134968669.html">Wasps and bumble bees heat up, fly faster with protein-rich food</a></p> <p>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.</p>