Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Liquid TIDE laundry detergent glows under a blacklight.
96
Diamonds can be shattered with a hammer.
-104
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
In zero gravity, a candle's flame is round and blue.
16
The force of a suction cup is calculated using F=AP.
15
Indoor pollution is 10 times more toxic than outdoor pollution.
62