Robert Full: The secrets of nature's grossest creatures, channeled into robots

How can robots learn to stabilize on rough terrain, walk upside down, do gymnastic maneuvers in air and run into walls without harming themselves? Robert Full takes a look at the incredible body of the cockroach to show what it can teach robotics engineers. https://www.ted.com/talks/robert_full_the_secrets_of_nature_s_grossest_creatures_channeled_into_robots Name two unique things that a cockroach can do that is so incredibly useful. Why does it benefit scientists to study nature? What were the scientists in this story able to do by studying the cockroach? (Did you see the uses at the very end with the four pictures?)