4.5 pounds of sunlight strike the Earth each day.
27
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
The bark of an older redwood tree is fireproof.
65
The force of a suction cup is calculated using F=AP.
15
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The average home creates more pollution than does the average car.
33
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17