16:50
Les Paul: Inventor and Innovator
Paul was a lifelong tinkerer, building a railroad rail guitar as a teen and hearing aids in his 90s.
29:07
Can Mass Transit Solve City Sprawl?
L.A. commuters spend 60 hours a year stuck in traffic. But is mass transit a viable alternative?
7:07
These Smartphone Apps Track Every Step of Your Day
“Quantified self” apps count your steps, measure your sleep, and collect a bevy of other details.
27:42
Science Fairs 2.0
A report card on the state of science fairs today, and a look into the future.
Small Talk with Scientists: The Ig Nobel Prize Winners Unwind
Here’s what it’s like to party with researchers whose work might first make you laugh, then make you think.
2:41
Stephen Hawking Looks Back
Stephen Hawking says that, were he to start from scratch, he wouldn’t focus on physics.
17:07
U.S. Cities Quench Growing Thirst with Saltwater
Desalination is growing in popularity, but is it sustainable enough to solve our water problems?
17:08
Food Failures: When Home Canning Goes Wrong
Jars broke? Lids buckled? Home canning expert Jessica Piper explains common preserving pitfalls.
Afloat in a French Flying Machine
The Tissandier brothers contributed to France’s reputation as the balloon capital of the world.