A cubic yard of air weighs about 2 pounds at sea level.
31
Most dust particles in your house are made from dead skin!
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German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51