Research indicates that plants grow healthier when they are stroked.
173
One barrel of petroleum holds 42 gallons.
20
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
For every gallon of sea water, you get more than a quarter pound of salt.
45
Pumice is the only rock that floats on water.
14
The force of a suction cup is calculated using F=AP.
15
Diamonds can be shattered with a hammer.
-104
In zero gravity, a candle's flame is round and blue.
16