Uncategorized

  1. Planetary Science

    Another red spot, by Jove

    Jupiter has developed a second red spot, which is now visible in the predawn sky with a telescope 10 inches or larger.

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  2. Astronomy

    Twin history

    The Milky Way and its nearest large galactic neighbor, Andromeda, are more alike than earlier evidence had indicated.

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  3. Health & Medicine

    Experimental drug targets Alzheimer’s

    A novel drug reverses some Alzheimer's-type symptoms in mice.

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  4. Humans

    Two-fifths of Amazonian forest is at risk

    The Amazon basin's forest may lose 2.1 million square kilometers by 2050 if current development trends go unabated.

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  5. Anthropology

    Chimps scratch out grooming requests

    Pairs of adult males in a community of wild African chimps often communicate with gestures.

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  6. Animals

    Sharpshooter threatens Tahiti by inedibility

    A North American insect is menacing Tahitian ecosystems by getting itself killed and proving surprisingly toxic to its predators.

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  7. Health & Medicine

    Parasite can’t survive without its tail

    The protozoan that causes African sleeping sickness can't survive in the mammalian bloodstream without its long, whiplike tail.

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  8. Physics

    Revealing Covert Actions

    The recent merger of high-speed video technology and centuries-old techniques for seeing ordinarily invisible fluctuations of the air is enabling engineers to visualize and study the previously unseen, large-scale behavior of shock waves in explosions and aerodynamics research.

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  9. Materials Science

    Spin City

    Researchers are using a technique called electrospinning to create fibrous mats that have potential applications in drug delivery, wound care, and tissue engineering.

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  10. Math

    The Mandelbrot Monk

    In the 13th century, Udo of Aachen wasn’t merely a minor poet, copyist, and theological essayist. A new study of his work reveals that this medieval Benedictine monk was an outstandingly original and talented mathematician. He not only devised the rules for complex arithmetic but also pioneered the iterative process for displaying the famous fractal […]

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  11. Humans

    From the March 28, 1936, issue

    A flooded Washington, D.C., a giant stellar explosion, and three new nebulae.

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  12. Planetary Science

    Propelling Evidence: Cassini finds clues to source of Saturn’s rings

    Four propeller-shaped gaps in one of Saturn's main rings are the latest evidence that a shattered moon produced the planet's dazzling hoops.

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