WATCH: Scientist Builds Robot Spider to Explore Mars

Inspired by the discovery of a nimble cart-wheeling spider in the desert of Morocco, Ingo Rechenberg immediately thought of space travel.

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The itsy-bitsy spider famously crawled down the water-spout, but actually spiders are capable of movements that would reduce Olympian athletes to tantrums of envy. Now, one arachnid that cartwheels has...