Robots are no longer science fiction, they are a fact of science.  Through events like the FIRST Robotics Competition kids are designing and building working robots.  Host Chuck Pell also pays a visit to a shop that builds customized robots.  We’ll stop by a lab that University of Pennsylvania that is trying to harness the power of bacteria to make microscopic robots move.  And what about evolving robots?  Chuck gets to the bottom of what they are and how they work.