Capsaicin, the compound that makes chili peppers hot, triggers pain receptors but does not actually cause any physical damage.
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The fossil record is incomplete but still informative.
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The Asch conformity experiment revealed how group pressure influences decisions.
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In 1996, Dolly the sheep became the first cloned mammal from an adult cell.
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The Müller-Lyer illusion makes lines of equal length appear different.
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The Cambrian explosion saw rapid diversification of life.
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Louis Pasteur advanced the understanding of germ theory.
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Nothing can travel faster than light in a vacuum.
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The discovery of penicillin by Alexander Fleming revolutionized medicine.
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