Cold water weighs more than hot water.
93
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Each day, up to 150 species of life become extinct.
-23
The only letter not appearing on the Periodic Table is the letter "J".
180
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
No matter how cold it gets, gasoline will not freeze.
107
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Liquid TIDE laundry detergent glows under a blacklight.
96