There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
According to studies, men change their minds two to three times more often than women.
72
Pumice is the only rock that floats on water.
14
Most dust particles in your house are made from dead skin!
67
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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