Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One third of the electricity produced on earth is used to power electric light bulbs!
75
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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
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
Research indicates that plants grow healthier when they are stroked.
173
Sound travels fifteen times faster through steel than through air.
134