Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Hot water can freeze faster than cold water.
181
No matter how cold it gets, gasoline will not freeze.
107
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Pure water (H2O) does not conduct electricity on its own.
46
Each day, up to 150 species of life become extinct.
-23
The force of a suction cup is calculated using F=AP.
15