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Magazine
In the July 6 SN: Celebrating the 50th anniversary of Apollo 11, stone tool dates face scrutiny, ocean plastic goes deep, records of Inca taxation, erosion spurred plate tectonics and more.
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Front Matter
09/01/1951 - 00:00 -
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Hint for Polio Vaccine
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Outlook "Rather Better" for Multiple Sclerosis Victims
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Sea Animals Dive at Dawn
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Altitude Affects Peoples' Resistance to Disease
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Bigger Crops Possible
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Rare Metal Inspects Alloys
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Snails Help Fight Disease
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Discover Sulfur Deposits
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Cheap Leprosy Treatment
09/01/1951 - 00:00