The introduction of birth control pills transformed reproductive health.
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The Ebbinghaus forgetting curve describes memory decay over time.
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The axolotl can regenerate limbs and even parts of its heart.
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The Earth's outer core is liquid metal.
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The Earth's atmosphere scatters blue light, making the sky appear blue.
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The polio vaccine drastically reduced cases worldwide.
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The Stanford linear accelerator helped advance particle physics research.
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The invention of the thermometer improved diagnosis of illness.
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The Stanford marshmallow experiment studied delayed gratification in children.
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