A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
For every gallon of sea water, you get more than a quarter pound of salt.
45
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Hot water can freeze faster than cold water.
181
One third of the electricity produced on earth is used to power electric light bulbs!
75