One third of the electricity produced on earth is used to power electric light bulbs!
75
In zero gravity, a candle's flame is round and blue.
16
Each day, up to 150 species of life become extinct.
-23
Nylon is made from coal and petroleum.
42
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
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