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When Does a Cut Need Stitches?
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Do Scars Last Forever?
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Where Do Diamonds Come From?
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What Is Oatmeal?
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How Are Books Made?
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Why Do We Say "Make Hay While the Sun Shines"?
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What Is Papier-Mâché?
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How Much Blood Is In Your Body?
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What Is a Log Jam?
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Why Do Donuts Have Holes?
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Why Do Onions Make You Cry?
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What Makes Glitter Sparkle?
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How Do You Build a Tunnel Underwater?
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Are All Cherries Red?
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Did Father Time Have Children?
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What Makes Hair Grow?
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How Long Can Your Fingernails Grow?
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Does Every Oyster Have a Pearl?
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Why Are Lemons Sour?
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What Is a One-Hit Wonder?