Host Mo Rocca shows us the highest tech to keep tabs on your toddler; rebuilding the billfold that's been breaking your backside; the history behind the lunch wagon and mobile food; and the playful polymers making you jump higher while keeping babies' bottoms drier.

Host Mo Rocca shows us how you may be able to someday print your clothes; the panic button app giving you protection in the palm of your hand; the history of the Tri-Motor airplane.