The only letter not appearing on the Periodic Table is the letter "J".
180
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
4.5 pounds of sunlight strike the Earth each day.
27
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Diamonds can be shattered with a hammer.
-104
One 75-watt bulb gives more light than three 25-watt bulbs.
57