Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Pumice is the only rock that floats on water.
14
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The only letter not appearing on the Periodic Table is the letter "J".
180
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The sun is 330,330 times larger than the earth.
75