A cubic yard of air weighs about 2 pounds at sea level.
31
Liquid TIDE laundry detergent glows under a blacklight.
96
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The only letter not appearing on the Periodic Table is the letter "J".
180
The average home creates more pollution than does the average car.
33
German chemists made a replica of a trophy the size of one molecule.
68
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