The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Each day, up to 150 species of life become extinct.
-23
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
No matter how cold it gets, gasoline will not freeze.
107
Nylon is made from coal and petroleum.
42
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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