A cesium atom in an atomic clock beats over nine billion times a second.
43
The only letter not appearing on the Periodic Table is the letter "J".
180
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Cold water weighs more than hot water.
93
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Sound at the right vibration can bore holes through a solid object.
134
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13