A herpetologist helps us lasso lizards - for research! And meet the woman who helped make computers a reality. Then, Chef Claire uses science to help us bake, even when our pantry isn't fully stocked. And we discover the technology that keeps scuba divers safe underwater. 

The physics that make roller coasters a fun ride; Michelle Barboza makes bismuth crystals; an engineer who makes machinery more reliable; a chemical engineer who wants to put human tissue on a microchip.