Uncategorized

  1. Testosterone shows hurtful, helpful sides

    A small but significant portion of men taking large doses of testosterone experience mania, although moderate doses of the male sex hormone show promise in boosting the mood and sex drive of HIV-infected men.

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  2. Chemistry

    Volcanoes aren’t a big source of CFCs

    Ozone-depleting chlorofluorocarbons in the atmosphere come mainly from human-made sources, not from volcanoes as some have suggested.

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  3. Planetary Science

    Tryst in space: Craft, asteroid rendezvous

    On Valentine's Day, the NEAR spacecraft cozied up to the asteroid 433 Eros, becoming the first craft to orbit a tiny body.

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  4. Fly naps inspire dreams of sleep genetics

    Researchers have discovered a sleep-like state in the fruit fly.

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  5. Physics

    Melting nuclei re-create Big Bang broth

    The seething primordial matter that existed in the first microseconds after the Big Bang may have briefly reappeared in fireballs created at a European particle accelerator.

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  6. Migration may reawaken Lyme disease

    Lyme disease can hide in healthy-looking birds until the stress of migration drives it into a potentially infectious state.

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  7. Two Meningitis Bacteria Yield Genomes

    Scientists have sequenced all the genes of two strains of a bacterium that causes meningitis, which may lead to the development of a much-needed vaccine

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  8. Humans

    From the February 15, 1930, issue

    ACRES OF PENGUINS IN ANTARCTICA Penguins by the acre are among the profusion of water animals inhabiting the regions adjacent to the desolate lands of Antarctica that help make its exploration of value, Dr. Isaiah Bowman, director of the American Geographical Society, told the American Philosophical Society. Dr. Bowman spoke in the 141-year-old hall of […]

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  9. Math

    Troublesome Weather Trends

    Unlike the day or year, the week isn’t tied to any naturally recurring phenomenon. When meteorologists detect a trend that follows a weekly rhythm, they suspect that human activities–and the 5-day work week–are responsible. In 1998, researchers at Arizona State University in Tempe reported that daily oceanic rainfall shows a weekly precipitation cycle across a […]

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  10. Math

    Troublesome Weather Trends

    Unlike the day or year, the week isn’t tied to any naturally recurring phenomenon. When meteorologists detect a trend that follows a weekly rhythm, they suspect that human activities–and the 5-day work week–are responsible. In 1998, researchers at Arizona State University in Tempe reported that daily oceanic rainfall shows a weekly precipitation cycle across a […]

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  11. Issues of Genetic Fitness

    Using historic photographs and documents, the Cold Spring Harbor Laboratory’s DNA Learning Center presents an eye-opening, troubling chronicle of the U.S. eugenics movement in the early 20th century. The archive’s aim is to stimulate people to think about possible similarities between eugenics, dedicated to improving human genetic stock through better breeding, and some current discussions […]

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  12. Health & Medicine

    Budding Tastes: Higher blood pressure in newborns links to salt preference

    Babies who tolerate a salty flavor have higher blood pressure on average than their less tolerant counterparts do.

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