Host Mo Rocca shows us the greening of mouth care with plastic-free tablet toothpaste; the smartphone harness preventing the drop; the cane for the blind that gives directions; and, the potato that started trillions of french fries.

Host Mo Rocca shows us the innovator creating superstrong thread from spider DNA; technology that lets firefighters see through smoke; the breathing pillow to snuggle you to sleep; and, the beginning of superhero comic books.