Brass doorknobs automatically disinfect themselves in about 8 hours.
18
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
No matter how cold it gets, gasoline will not freeze.
107
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A single speck of dust is half way in size between a subatomic particle and the Earth.
15