For every gallon of sea water, you get more than a quarter pound of salt.
45
Aluminum used to be more valuable than gold!
84
Each day, up to 150 species of life become extinct.
-23
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310