According to studies, men change their minds two to three times more often than women.
72
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One barrel of petroleum holds 42 gallons.
20
The only letter not appearing on the Periodic Table is the letter "J".
180