The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
225
Cats sleep for 70% of their lives.
8
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Dell Computers was started by a 19 year old with only $1,000.
246
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
