Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most dust particles in your house are made from dead skin!
67
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
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
The storage capacity of human brain exceeds 4 Terrabytes.
140
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Iron weighs more after it rusts.
16