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
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
A cubic yard of air weighs about 2 pounds at sea level.
31
One cubic foot of gold weighs more than 1,200 pounds!
78
Aluminum used to be more valuable than gold!
84
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38