Uncategorized

  1. 19753

    This article reminds me that in preantibiotic days, tuberculosis patients were put on a fresh-air-and-sunshine regimen. Could the vitamin D so acquired account for the cures this system sometimes produced? Nancy AxfordSacramento, Calif. Researcher John J. Cannell points to TB sanitariums as anecdotal evidence that sunlight fights infections. —J. Raloff Does the vitamin D in […]

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  2. Health & Medicine

    The Antibiotic Vitamin

    Because vitamin D turns on a major germ killer in the body, a deficiency in the nutrient may leave people especially vulnerable to infections.

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  3. Humans

    From the October 31, 1936, issue

    Ancient Egyptian tombstones, political party preferences, and a new record for starvation.

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  4. Humans

    Thinking Math and Science

    This site describes itself as the online community for academically talented youth. Developed by the Johns Hopkins University Center for Talented Youth, it provides timely news articles about scientific advances, profiles of researchers, information on summer programs and academic competitions, book reviews, and even a humor section, with items gathered from a wide variety of […]

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  5. Health & Medicine

    Abated Breath: Serotonin problems may contribute to SIDS

    Babies who die of sudden infant death syndrome show abnormalities in the regulation of the chemical serotonin in their brains.

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  6. Astronomy

    Rejuvenating Observatory: Green light given for space telescope repairs

    NASA this week gave the go-ahead for a shuttle crew to refurbish the Hubble Space Telescope and to install new detectors that would vastly improve its capabilities.

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  7. Earth

    Flow West, Young River: Ancient Amazon ran opposite today’s route

    The forerunner of the mighty Amazon ran from east to west, a new analysis of rocks laid down by that ancient river suggests.

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  8. Health & Medicine

    L’Chaim: Wine compound lengthens mouse lives

    A constituent of red wine appears to increase the life spans and boost the well-being of mice that haven't followed the healthiest of lifestyles.

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  9. Materials Science

    Dribble Quibble: Experiments find that new basketball gets slick

    According to preliminary results from a study at a physics lab, a new basketball for professional players bounces less elastically, veers more when it bounces, and becomes more slippery when damp than does a leather ball.

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  10. Health & Medicine

    Helping Hands: Brief rehab method aids arm activity after stroke

    Stroke survivors who have difficulty using an arm or a hand experience lasting mobility gains after completing an unusual 2-week rehabilitation program.

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  11. 19752

    One solution to global warming suggested in the article is stretching Mylar across the ground. How about designing reflective concrete to aid in this endeavor? We are already covering a large amount of Earth with pavement. Tom E. KlassenIndianapolis, Ind.

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  12. Astronomy

    A Swarm of Umbrellas vs. Global Warming: Astronomer thinks small to save Earth

    A trillion miniature spacecraft could provide a giant sunshade for Earth, significantly reducing global warming.

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