For every gallon of sea water, you get more than a quarter pound of salt.
45
One barrel of petroleum holds 42 gallons.
20
The only letter not appearing on the Periodic Table is the letter "J".
180
Pumice is the only rock that floats on water.
14
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Pure water (H2O) does not conduct electricity on its own.
46
One ragweed plant can release as many as one billion grains of pollen!
51