Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Aluminum used to be more valuable than gold!
84
The bark of an older redwood tree is fireproof.
65
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
No matter how cold it gets, gasoline will not freeze.
107