Kevlar, used in body armor, is five times stronger than steel by weight.
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Bees have five eyes.
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A dog’s nose print is unique, similar to a human fingerprint.
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The wheel is one of the earliest human inventions.
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Fossilized bones reveal information about prehistoric diets.
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The barreleye fish has a transparent head and upward-facing eyes.
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The human spine consists of 33 vertebrae.
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The Megalodon lived millions of years before humans appeared.
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The invention of the hypodermic syringe enabled effective drug delivery.
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