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  1. Humans

    From the October 19, 1935, issue

    Boulder Dam lake and a new test for lead poisoning.

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  2. Humans

    Misleading Numbers

    The “Number Watch” Web site focuses on “misleading” numbers that appear in the media and are often used to promote specific causes, as compiled by retired engineering professor John Brignell of the University of Southampton. Brignell also offers online resources on statistics and statistics education. The FAQ section includes answers to such questions as “Is […]

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  3. Planetary Science

    Mining the moon

    New ultraviolet images of the moon help identify the presence of ilmenite, a titanium oxide whose elemental constituents may be a valuable resource for sustaining humans as they explore the lunar surface.