Nylon is made from coal and petroleum.
42
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Sound at the right vibration can bore holes through a solid object.
134
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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
For every gallon of sea water, you get more than a quarter pound of salt.
45
Indoor pollution is 10 times more toxic than outdoor pollution.
62