The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
A cesium atom in an atomic clock beats over nine billion times a second.
43
Sound travels about 4 times faster in water than in air.
408
The bark of an older redwood tree is fireproof.
65