One third of the electricity produced on earth is used to power electric light bulbs!
75
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Diamonds can be shattered with a hammer.
-104
Pumice is the only rock that floats on water.
14
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79