The human nose can detect about one trillion different smells.
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The human eye can distinguish millions of colors.
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The human stomach can expand significantly after a large meal.
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The human skeleton renews itself over time.
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Ants do not have lungs and breathe through small openings in their bodies.
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The Moon was formed billions of years ago.
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Dust storms can reduce visibility to near zero.
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Saber-toothed cats had elongated canine teeth.
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An African elephant's ears help regulate its body temperature.
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