To help save an endangered species like the cheetah, you must start by understanding its behavior. Only the brave need apply for this job, however, because this kind of biological study is up close and personal.
Running time 2:08 minutes.

To consider the space solar power concept requires an understanding of science, technology, engineering, math, energy, policy, environmental factors, and more. Space solar power is an engineering project on a scale that rivals the greatest in history. Students need to be informed and able to participate in the conversation.
Running time 19:00 minutes.

The heart-pumping exhilaration keeps us coming back time and time again, but it’s the laws of the physics and a great deal of math that keep these thrill rides soaring through the air day after day.
Running time 2:00 minutes.

It's pretty common for skateboards to break. So Tim Piumarta makes skateboards that "last a ridiculously long time." He has to understand everything from force and kinetic energy to measurement and algebra in order to make extremely strong, long-lasting boards.
Running time 5:50 minutes.