Host Mo Rocca shows us the desert research center training people to live on the planet Mars; the app that helps fix your car; the life preserver in a throwable can; and, when school buses began taking kids to class.

Host Mo Rocca shows us how tragedy inspired a brother to create a new kind of bike helmet; the countertop dishwasher that runs on a gallon of water; the dad and son team who created a computerized power drill; and, the history of plastic and how it changed the world.