Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
U-Haul is the world's largest advertiser in the Yellow Pages.
21
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
If the human eye was a digital camera, it would have 576 megapixels.
25
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The oldest living person smoked cigarettes from the age of 21 to 117.
13