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  1. Physics

    A very special snowball

    The long-predicted ice XV has been spotted in the lab.

    By Laura Sanders

  2. Broken Symmetry

    Scientists seek mechanisms explaining development of the body’s left-right pattern.

    By Jenny Lauren Lee

  3. Book Review: Stories in Stone: Travels Through Urban Geology by David B. Williams

    Review by Sid Perkins.

    By Science News

  4. Homage to a Pied Puzzler

    Ed Pegg Jr., Alan H. Schoen and Tom Rodgers, eds.

    By Science News

  5. Theo Gray’s Mad Science: Experiments You Can Do at Home — But Probably Shouldn’t by Theodore Gray

    Dramatic experiments, captured in color photography with step-by-step instructions, demonstrate scientific principles from the everyday world.