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  1. From the October 16, 1937, issue

    Biological prospecting on two remote mesas near the Grand Canyon, a newly described and widespread form of meningitis, and primate fossils from the Crazy Mountains of Montana.

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  2. LEDs for the Rest of Us

    Light emitting diodes, better known as LEDs, are the coolest new light sources. They’re tiny, long-lived, and rugged. But how do they work? Check out this site if you desire considerably more detail than can be found in a two-sentence summary. Go to: http://electronics.howstuffworks.com/led.htm

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  3. Health & Medicine

    Looking for Biomarkers: Protein signature may warn of impending Alzheimer’s disease

    Measuring the amounts of certain proteins in the blood might provide early warning of Alzheimer's disease.