Coins usually survive in circulation for about 30 years.
66
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
One human hair can support 3 ounces.
191
In Monopoly, the character locked behind the bars is called Jake the Jailbird. Officer Edgar Mallory sent him to jail.
65
Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
14
If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
Leather skin does not have any smell. The leather smell that you sense is actually derived from the materials used in the tanning process.
23