All Stories

  1. Humans

    Pre-chewed baby food common in HIV-positive households, study suggests

    Here’s a particularly disturbing stat: 31 percent of babies in households where the mom is HIV-positive get at least some pre-chewed food. In most cases the surveyed caregivers who reported doing that pre-chewing were the infected moms.

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  2. Plants

    From a mismatch in growth, a flower blooms

    Scientists reveal the forces at work in the blossoming of a lily.

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  3. Humans

    Humans

    A proud face is more attractive than a happy one, plus abstract art and goal-oriented babies in this week’s news.

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  4. Chemistry

    Molecules/Matter & Energy

    Particles found surfing on hot plasma, plus spinning atoms and a new deep-Earth mineral in this week’s news.

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  5. Earth

    Earth/Environment

    Nuclear-test monitoring eavesdrops on volcanoes, too, plus tiny tar balls and nonstick hemoglobin in this week’s news.

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  6. Tech

    U.S. network detects Fukushima plume

    Traces of radioactivity attributable to the earthquake-damaged Fukushima reactor complex in Japan have reached the West Coast of the United States.

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  7. Life

    Genes & Cells

    The genetics of wrinkly dogs, plus cancer killers and diabetes thwarters in this week’s news.

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  8. Life

    Computer chips wired with nerve cells

    Experiments could lead to ways of melding minds with machines.

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  9. Space

    Two stars caught fusing into one

    Astronomers observe a merger in action for the first time.

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  10. Space

    MESSENGER eases into Mercury’s orbit

    After three flybys, a NASA spacecraft settles in for a closer look at the first planet.

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  11. Tech

    Chernobyl’s lessons for Japan

    Radioactive iodine released by the Chernobyl nuclear accident has left a legacy of thyroid cancers among downwinders — one that shows no sign of diminishing. The new data also point to what could be in store if conditions at Japan’s troubled Fukushima Daiichi nuclear-power complex continue to sour.

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  12. Chemistry

    A bit of fiber makes for sudsier beer

    An understanding of bubbly beginnings points to a new way to foam up slow-pouring stout brews.

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