Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A cesium atom in an atomic clock beats over nine billion times a second.
43
In zero gravity, a candle's flame is round and blue.
16
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Sound travels fifteen times faster through steel than through air.
134
Diamonds can be shattered with a hammer.
-104
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
Nearly 50% of the world's scientists are assigned to military projects.
71