One barrel of petroleum holds 42 gallons.
20
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
A ball of glass will bounce higher than a ball made of rubber.
73
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Liquid TIDE laundry detergent glows under a blacklight.
96
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Most dust particles in your house come from dead skin.
48