One barrel of petroleum holds 42 gallons.
20
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Iron weighs more after it rusts.
16
Liquid TIDE laundry detergent glows under a blacklight.
96
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7