Go inside Electronic Recyclers to see how they break down millions of pounds of electronics every month. Everything from computers to cell phones, TVs to Xboxes, comes through their doors to be crushed, shredded, melted down and reused.
Running time 5:14 minutes.

Currently the worldwide collection of Mars rocks totals exactly 37. They've come to us over the eons as meteorites. Molly McCanta’s job is to better understand the geological history of the red planet with only 37 samples to work from.
Running time 5:15 minutes

Chuck Hoberman’s inventions are more than just technological marvels; they’re works of art. See how basic principles of geometry help him create extraordinarily strong, expandable structures.
Running time 2:29 minutes

A Western wouldn’t be a Western without stampedes, stagecoaches, shoot-outs on horseback or simply cowboys riding into town. Meet Dave Rogers, a wrangler for Movin' On Livestock.
Running time 5:33 minutes

There's more to money than money: chemists, inks, artists, engravers, presses, counterfeiting and Secret Service Agents. Watch the movie to see the math and science behind making money.
Running time 2:45 minutes.

Every Hot Wheels car is exactly 1/64 the size of the real car it’s modeled on. Show your students how a professional toy car designer for Mattel relies on basic math concepts such as fractions, measurement and scale to create accurate replicas of the coolest cars on the road.
Running time 2:42 minutes

Motorboats don't do well in marshy, wetland environments. The water is too shallow and there's too much vegetation. Anything with wheels isn't going to get very far either. The solution is an airboat--the vehicle of choice for rangers and biologists who work in wetland areas. Show your students how it works, what it's for and the types of terrain it can cover.
Running time 2:50 minutes

In 1978, Dr. Amar Bose was frustrated by the inability to hear good music in a noisy airplane cabin. Then he got curious and wondered if there was a way to separate what one wanted to hear from what one didn’t.
Running time 3:00 minutes

There are few cities in the U.S. with the number of tall buildings that New York City has, and also few cities with a water system as old. As a matter of fire prevention, taller buildings are required to have two sources of water, and one of those is usually a tank on the roof.
Running time 3:08 minutes

From tornados to hurricanes and thunderstorms to climate change, these nine scientists from the National Center for Atmospheric Research (NCAR) are using math and science to better understand and predict severe weather systems.
Running time 5:19 minutes