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Monday, December 15, 2014

Dragonflies on the Hunt Display Amazing Choreography

The dragonfly is a swift and efficient hunter. Once it spots its prey, it takes about half a second to swoop beneath an unsuspecting insect and snatch it from the air.

Scientists at the Howard Hughes Medical Institute's Janelia Research Campus have used motion-capture techniques to track the details of that chase, and found that a dragonfly's movement is guided by internal models of its own body and the anticipated movement of its prey. Similar internal models are used to guide behavior in humans. The work is published in Nature.
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