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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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
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The bark of an older redwood tree is fireproof.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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The earth is approx. 6,588,000,000,000,000,000 tons.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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