Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists in Germany have developed a candy that doesn't cause cavities.
11
One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists aren't sure what color dinosaurs were.
312
Iron weighs more after it rusts.
68
One third of the electricity produced on earth is used to power electric light bulbs!
75
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41