Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12



