19/02/2014

How stick insects honed friction to grip without sticking

When they're not hanging upside down, stick insects don't need to stick. In fact, when moving upright, sticking would be a hindrance: so much extra effort required to 'unstick' again with every step.

Gecko-inspired adhesion is self-cleaning and reliable

Geckos outclass adhesive tapes in one respect: Even after repeated contact with dirt and dust do their feet perfectly adhere to smooth surfaces. Researchers of the KIT and the Carnegie Mellon University, Pittsburgh, have ...

Rescuing backyard tigers

Significantly more tigers are in U.S captivity than are left in the wild. In fact, as many as 10,000 tigers, lions and other endangered big cats are privately owned in the United States, according to the International Fund ...

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