Scientists and their discoveries
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Explains in simple language the discoveries and investigations of famous scientists including Galileo, Benjamin Franklin, Thomas Alva Edison, and Robert Goddard.
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Explains in simple language the discoveries and investigations of famous scientists including Galileo, Benjamin Franklin, Thomas Alva Edison, and Robert Goddard.
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"Explains in simple language the discoveries and investigations of famous scientists including Galileo, Benjamin Franklin, Thomas Alva Edison, and Robert Goddard."
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