A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
One barrel of petroleum holds 42 gallons.
20
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The only letter not appearing on the Periodic Table is the letter "J".
180
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13