How to get a robot collective to act like a smart material

Robot faster than physicians at spotting side effects - EurekAlert

If it moves, it's probably alive: Searching for life on other planets | Researchers at the Technical University in Berlin figured, instead of having a robot looking for microbes, it would be easier and cheaper to make microbes come to the robot. The only ingredient they were lacking: the right bait

Robot made from pig gelatin biodegrades when no longer needed