The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The smell of freshly cut grass is actually a plant distress call.
31
The average home creates more pollution than does the average car.
33
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155