Liquid TIDE laundry detergent glows under a blacklight.
96
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Sound travels about 4 times faster in water than in air.
408
Pumice is the only rock that floats on water.
14
Diamonds can be shattered with a hammer.
-104
The average home creates more pollution than does the average car.
33
No matter how cold it gets, gasoline will not freeze.
107