News

  1. Physics

    The proton’s strange new cousin

    Physicists have discovered a new particle made of three quarks, including two strange quarks. Its existence further validates the standard model of particle physics.

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  2. Space

    Black holes have limits

    A review of current evidence suggests an upper limit to a black hole's size.

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  3. Life

    Gene regulation makes the human

    The regulation of genes, rather than genes alone, may have been crucial to primate evolution.

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  4. Space

    PAMELA may have spotted the dark stuff

    An orbiting observatory may have discovered particles of dark matter -- the proposed, invisible material that researchers believe holds the universe together.