From the Community: Artificial butterflies, bug-eating sea slugs and bum-shaking tree frogs

A scientist unravels the evolution of anthropods, a photographer gets intimate with the bee and its stinger, an angry tree frog displays a bum-shaking warning and the International Institute for Species Exploration announces the Best Species of 2009. Here are highlights in ecology from the third week in May. Artificial flight: Engineers designed a robotic butterfly in an attempt to understand the mechanics of the delicate wings’...

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