Rocky, the "robo-squirrel," in residence at Hampshire College in Amherst, Mass., is shown at the office of assistant professor of animal behavior Sarah Partan Tuesday, April 15, 2008. Behind him is a ...

Top photo: A free-ranging squirrel leaps from one branch to a branch instrumented to measure force. (Image credit: Sebastian Lee). Bottom photo: A one-legged robot, called Salto, was modified to jump ...

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UC Berkeley researchers modified a one-legged robot, called Salto, to jump from one branch-like perch to another using principles derived from studies of leaping squirrels. Disclaimer: AAAS and ...

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