The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Pumice is the only rock that floats on water.
14
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39