Your brain is 80% water.
525
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The force of a suction cup is calculated using F=AP.
15
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One cubic foot of gold weighs more than 1,200 pounds!
78
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39