In Cuba, hitchhiking is encouraged and government vehicles are legally required to pick up hitchhikers.
4
One human hair can support 3 ounces.
191
Sound doesn't travel in space.
255
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
The largest earthworm on record was found in South Africa and measured 22 feet.
151