Some more interesting facts.

Posting some more interesting facts from my database

[31] The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
 
[32] Human hair and fingernails continue to grow after death.
 
[33] It takes about 20 seconds for a red blood cell to circle the whole body.
 
[34] The plastic things on the end of shoelaces are called aglets.
 
[35] Most soccer players run 7 miles in a game.
 
[36] The only part of the body that has no blood supply is the cornea in the eye. It takes in oxygen directly from the air.
 
[37] Every day 200 million couples make love, 400,000 babies are born, and 140,000 people die.
 
[38] In most watch advertisements the time displayed on the watch is
10:10 because then the arms frame the brand of the watch (and make it look like it is smiling.)
 
[39] Colgate faced big obstacle  marketing toothpaste in Spanish speaking countries. Colgate translates into the command "go hang yourself.".
 
[40] The only 2 animals that can see behind it without turning its head are the rabbit and the parrot.

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