The longest Monopoly game in history lasted 70 straight days.
124
By weight, Bone is five times stronger than steel.
417
Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
22
Ernest Vincent Wright wrote a 50,000 word book titled 'Gadsby' which did not use the letter "e".
10