Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
The average home creates more pollution than does the average car.
33
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Scientists in Germany have developed a candy that doesn't cause cavities.
11