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
Nearly 50% of the world's scientists are assigned to military projects.
71
Sound travels about 4 times faster in water than in air.
408
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155