Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
Mathematical proof that 1+1=2 takes 162 pages to explain in the three volume work “Principia Mathematica”.
35
A fall of 30 feet can be survived by most cats.
10
A man called Dean Karnazes ran 350 miles in 80 hours with no sleep, ran a marathon in the South Pole in -25 °C temperatures without snowshoes, and ran 50 marathons in 50 states in 50 days.
14