Who Discovered It

Who Discovered Genetic Engineering?

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Who Discovered the Cure for Polio?

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Who Discovered Stem Cells?

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Who Discovered the Constellation Gemini?

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Who Discovered Hydrogen?

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Who Discovered Pneumonia?

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Who Discovered Leukemia?

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Who Discovered Nickel?

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Who Discovered Heart Disease?

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Who Discovered Antarctica?

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