The only letter not appearing on the Periodic Table is the letter "J".
180
In zero gravity, a candle's flame is round and blue.
16
For every gallon of sea water, you get more than a quarter pound of salt.
45
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists aren't sure what color dinosaurs were.
312
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Hot water can freeze faster than cold water.
181