Why Is It?
Harmonica Colds
A listener asks if he can reinfect himself with the same cold.
Squirrel Hoarding
A listener inquires about the lengths squirrels will go to to hide their nuts.
Space Elevator
Could a “space elevator” carry supplies to the International Space Station?
Octopus Life & Death
Octopuses have an unusual reproductive strategy: they die soon after mating.
Email Spam
Email spammers use disorienting techniques to get you to click on their links.
Germy Fabrics
Objects like blankets and stuffed animals can theoretically spread illnesses, but it's not a big …
Baby Tooth Cavities
Baby teeth fall out eventually. But that doesn't mean cavities in baby teeth should be ignored.
Credit Card Fraud
How do cyber criminals steal your credit card information?