Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
A ball of glass will bounce higher than a ball made of rubber.
73
Pure water (H2O) does not conduct electricity on its own.
46
For every gallon of sea water, you get more than a quarter pound of salt.
45
According to studies, men change their minds two to three times more often than women.
72
In zero gravity, a candle's flame is round and blue.
16
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79