In North Korea, you are forced to choose one of 28 government-approved haircuts.
4
In their early careers, Sylvester Stallone and Jackie Chan both took part in porn.
11
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
In 1974, prankster Porky Bickar was so into April Fools, he flew hundreds of tires into a dormant volcano in Alaska and set them on fire - fooling the local populace and coast guard into thinking the volcano was active.
30
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12