Crumpling Noise
A listener asks a question about the physics of an everyday thing: candy wrappers.
Why Is It?
Firefly Flashes
A listener asks: What are fireflies saying with their flashes?
Dinosaurs Evolved
In Jurassic Park, scientists ressurected dinosaurs from ancient DNA. But where did the dinosaurs …
Alcohol and Colds
We answer this listener's question: Can a shot of alcohol stop a cold in its tracks?
Cells Alive
You probably have heard that hair is made up of dead cells. But are living cells really …
Asteroid Collision
Asteroids are space rocks that orbit the sun -- mainly in the region between Mars and Jupiter called …