By weight, Bone is five times stronger than steel.
417
A full-time cashier at Costco makes about $49,000 annually. The average wage at Costco is nearly 20 dollars an hour and 89% of Costco employees are eligible for benefits.
13
After coming across a "very sweet" homeless man from Jamaica named Michael on a night out, Londoner Jenny Baker took to Twitter, and within hours, using the hashtag #getmichaelhome, had raised thousands of pounds so that he could return home to Jamaica where he said he would be "happy again".
19
In Montreal, there's a bus stop with swings that play musical notes when you swing on them.
20
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 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The biggest burger in Britain, dubbed the 'Apocalypse Burger', is a mammoth 25,000 calories, weighs 11kg (25lb) and contains £150 (around $233 USD) worth of ingredients.
5