Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Korean Okhwan Yoon left behind a profitable business to cycle the world in aid of world peace. For over 9 years, he has biked across 192 countries on six continents, and has survived 6 car accidents, malaria, extreme temperatures, robbery, and kidnapping.
16
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