Solving a Dragonfly Flight Mystery

Dragonflies adjust their wing motion while hovering to conserve energy, according to a Cornell University study of the insect's flight mechanics. The revelation contradicts previous speculation that the change in wing motion served to enhance vertical lift.

If you want to include this story in your blog, copy and paste this formatted text:

<p><a href="http://www.physorg.com/news109856524.html">Solving a Dragonfly Flight Mystery</a></p> <p>Dragonflies adjust their wing motion while hovering to conserve energy, according to a Cornell University study of the insect's flight mechanics. The revelation contradicts previous speculation that the change in wing motion served to enhance vertical lift.</p>