Cold water weighs more than hot water.
93
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most dust particles in your house come from dead skin.
48
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
No matter how cold it gets, gasoline will not freeze.
107
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
