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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Sound at the right vibration can bore holes through a solid object.
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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Nylon is made from coal and petroleum.
42
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Brass doorknobs automatically disinfect themselves in about 8 hours.
18