More than 10% of the world's salt is used to de-ice American roads.
54
The only king without a moustache in a deck of cards is the king of hearts.
63
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
The mile is Latin for 1,000. The number of paces it took the average Roman!
36
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Sunflowers can be used to clean up radioactive waste.
17
Babies are born without knee caps.
78