NASA is estimated to have sent over 2200 animals into space including insects, pigs, monkeys, rats, rabbits and spiders, 2000 were sent on one mission STS-90 in 1998.

Managers at NASA claimed that there was a 1 in 100,000 chance of a catastrophic failure aboard Challenger Spacecraft, but Richard Feynman (theoretical physicist) discovered that NASA’s Engineers estimated the chance of a catastrophe to be closer to 1 in 200.

2200 years ago, Eratosthenes estimated the Earth’s circumference using math, without ever leaving Egypt. He was remarkably accurate. Christopher Columbus later studied him.

About 1 million Japanese men are estimated to be locking themselves in their bedrooms for years, creating social and health problems, a condition called “Hikikomori.”