The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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A cubic yard of air weighs about 2 pounds at sea level.
31
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Most dust particles in your house come from dead skin.
48
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
No matter how cold it gets, gasoline will not freeze.
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