30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
Chrysler built B-29's that bombed Japan, Mitsubishi built Zeros that tried to shoot them down. Both companies now build cars in a joint plant called Diamond Star.
29
If the human eye was a digital camera, it would have 576 megapixels.
25
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
14
People who drink coffee are less likely to commit suicide than people who don't.
268
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13