For every gallon of sea water, you get more than a quarter pound of salt.
45
Nylon is made from coal and petroleum.
42
Hot water can freeze faster than cold water.
181
The only letter not appearing on the Periodic Table is the letter "J".
180
Scientists are now able to grow 'beating' heart tissue in a lab!
162
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Indoor pollution is 10 times more toxic than outdoor pollution.
62