4.5 pounds of sunlight strike the Earth each day.
27
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One ragweed plant can release as many as one billion grains of pollen!
51
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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