By weight, Bone is five times stronger than steel.
417
Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
25
In Monopoly, the character locked behind the bars is called Jake the Jailbird. Officer Edgar Mallory sent him to jail.
65
Billions of neutrinos pass unnoticed through your body every second.
6
In 2011, two men paraglided from the summit of Mt. Everest, arriving at a village in 42 minutes and avoiding the dangerous conventional 3 day descent.
6
Mackinac Island, Michigan, has banned cars since 1898!
4