In zero gravity, a candle's flame is round and blue.
16
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The earth is approx. 6,588,000,000,000,000,000 tons.
175
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Aluminum used to be more valuable than gold!
84
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65