Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most dust particles in your house come from dead skin.
48
The average home creates more pollution than does the average car.
33
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
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
If the chemical sodium is dropped into water it will immediately and violently explode.
67