The force of a suction cup is calculated using F=AP.
15
Nylon is made from coal and petroleum.
42
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 bark of an older redwood tree is fireproof.
65
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Research indicates that plants grow healthier when they are stroked.
173
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5