The average temperature at 40,000 feet above sea level is -60 F.
56
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The earth is approx. 6,588,000,000,000,000,000 tons.
175
A cubic yard of air weighs about 2 pounds at sea level.
31
If the chemical sodium is dropped into water it will immediately and violently explode.
67