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Coming soon to an emergency room near you: Robotic snakes? British researchers have designed a prototype of a robotic snake that would be controlled by a surgeon, and used to search for and remove tumors without invasive surgery. “They would use bodily orifices or local incisions as points of entry,” says Rob Buckingham of OC Robotics, the firm behind the snake.

Here, eight more robots that steal their designs from the animal kingdom.

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