If you chew gum when you study a subject and then chew the same flavor when you take the test, it will help you remember!
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No piece of square dry paper can be folded more than 7 times in half!
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It's impossible to sink in the Dead Sea without equipment!
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It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them!
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The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
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The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
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The first household refrigerators cost about $16,000, in today's money!
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