Host Mo Rocca shows us the inventor of a dog toy that's a blast; the woman behind many modern home inventions; how radio signals enabled flying at night; and the tonsil lighting tongue depressor.

Host Mo Rocca shows us the man who started a business that cooks fresh food for pets; concrete that conducts electricity to keep it snow and ice free; Henry Ford's first attempt at a car - the Quadricycle; and the innovator of a healthier water bottle.