Pumice is the only rock that floats on water.
14
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
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
The bark of an older redwood tree is fireproof.
65
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116