A chemical engineer makes fuel out of soybean oil; the mother of GPS; a scientist uses seashells to help human bones grow; a mathematician shows tricks to make math fun.

Uncovering the prehistoric giants hiding below one of America's biggest cities; nuclear fusion; the dangers of distracted driving; a structural engineer who can make buildings as sensitive as humans.

The science behind surfboards; the power of a Tesla coil; the effects of carbon dioxide in the environment; the senses of cephalopods.

The CEO of an aquarium shows how they work to restore wildlife; why talking to oneself matters; stargazing tips; how people taste and experience food.