Each day, up to 150 species of life become extinct.
-23
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The average home creates more pollution than does the average car.
33
Cold water weighs more than hot water.
93
Nearly 50% of the world's scientists are assigned to military projects.
71