Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
You can only remember 4 things at a time.
31
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Diamonds can be shattered with a hammer.
-104
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89