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By gluing radio chips to the backs of 800 honeybees, researchers proved that Neonicotinoid pesticides interfere with their behavior. Greg Laden reports that bees exposed to the common aphid-killer "forage abnormally, have 'olfactory memory' problems, are easily disoriented and become poor learners." Fewer of them ever return to the colony. Laden observes, "One thing that strikes me as especially interesting here is that many bees don't make it back over a fairly long period of time even under normal conditions, and that some bees stay out overnight!" Another likely contributor to Colony Collapse Disorder is a tiny parasitic fly that lays its eggs inside a living bee.
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A man lets off fireworks during a festival in Guangzhou. Chinese alchemists created explosive mixtures in their quest for an elixir of life. Photograph: China Photos/Getty
Science blog | Science | guardian.co.uk
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