News This robot can walk and swim — inside your body healthhealth innovationrobotics A tiny robot with moves inspired by caterpillars and jellyfish is small enough to crawl, walk and swim inside the human body. (Copyright NYTimes) by Jodi Leese Glusco — January 25, 2018 A tiny robot with moves inspired by caterpillars and jellyfish is small enough to crawl, walk and swim inside the human body. (Video courtesy NY Times Syndicate) healthhealth innovationrobotics