The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Hot water can freeze faster than cold water.
181
The only letter not appearing on the Periodic Table is the letter "J".
180
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In zero gravity, a candle's flame is round and blue.
16
The force of a suction cup is calculated using F=AP.
15
Sound at the right vibration can bore holes through a solid object.
134