Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Out of all the senses, smell is most closely linked to memory.
146
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Most dust particles in your house are made from dead skin!
67