In 2007, a Bosnian couple found out that they had been cheating on one another in online chatrooms... with each other.
75
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
The oldest living person smoked cigarettes from the age of 21 to 117.
13
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12