The Earth's atmosphere weighs about 5.5 quadrillion tons.
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One cubic foot of gold weighs more than 1,200 pounds!
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Sound at the right vibration can bore holes through a solid object.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Most liquid laundry detergents are alive with living organisms that help to break down stains!
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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