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Monster trucks and car design (Road Trip pt. 3)

Nine-year-old Rosalee Ramer working on a monster truck in 2006. (Courtesy of Rosalee Ramer)

At the third stop on our road trip series, we coast in for a pit stop and check out car design. We find out how monster trucks are different than cars, how culture influences car design and what it’s like to make car into animated, talking movie stars.

The future of fuel, and the problem with exhaust (Road Trip pt. 2)

An ix35 Fuel Cell vehicle by Korean car manufacturer Hyundai. (ERIC PIERMONT/AFP/Getty Images)

Our planet needs some carbon dioxide, but cars are pumping more into the atmosphere than our carbon cycle can handle. We’ll explore what all this carbon means for our planet. And we talk to a scientist who is working to change how we fuel our cars, so we can cut back on all this carbon dioxide.

Brains On book giveaway!

You still have chance to enter to win a copy of “The Girl Who Drank the Moon,” by Kelly Barnhill. Click here for entry form and rules. Giveaway ends June 13th, so hurry on over.

The science of slime: What is it and why are we so obsessed?

Slime! (Sanden Totten | Brains On!)

Homemade slime is sticky, gooey and all the rage, but what is it? When you combine ingredients like glue and laundry detergent you get a strange, flubbery substance. We’ll explain what’s happening on a molecular level to make this stuff.

What was the first life on Earth?

Paleontologist Neil Shubin holds part of a fossil from Tiktaalik roseae. (Dan Dry | University of Chicago)

What was the very first lifeform like? What was the first fish or mammal? Is it even possible to know?

How do pianos work?

(TIMOTHY A. CLARY/AFP/Getty Images)

In this episode, we take a field trip to a piano shop, peek behind the walls at a world-famous piano factory and have an EPIC FIGHTING BATTLE to discover how sound travels.