The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
The first South Park episode was made with construction paper. It took 3 months to make.
49
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
Cows can sleep standing up, but they can only dream lying down.
745
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15