Uncategorized

  1. Space

    Star outweighed any known in Milky Way

    A nearby supernova was a big blast, challenging theories of how massive stars live and die.

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  2. Life

    Gene stops tumors, but only when it’s gone

    When a single copy of the microRNA processor Dicer is disabled, cancer can become more deadly. Removing Dicer completely, though, stops tumors.

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  3. Life

    Poached hammerhead fins traced to endangered populations

    Mapping populations with DNA comparisons offers possible tool for conservation of hammerhead sharks.

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  4. Chemistry

    Elusive triangular snowflakes explained

    Dust particles,wind and aerodynamics could steer some snowflakes toward a three-sided fate

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  5. Humans

    Loneliness is contagious, study suggests

    An analysis of social networks finds that people who feel isolated may spread mistrust among others.