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  1. Health & Medicine

    The not-so-dispensable spleen

    Spleen plays more roles than previously known.

    By Nathan Seppa
  2. Life

    Bent innards give orchid its kick

    Violent pollen delivery in Catasetum flowers gets its power from temporarily deformed inner strip

    By Susan Milius
  3. Ecosystems

    Churning the numbers

    Some of the ocean’s small swimmers may be having a big impact on ocean mixing.

    By Rachel Ehrenberg
  4. Health & Medicine

    Creating fat that burns calories

    Researchers find a way to make energy-using brown fat from skin cells.

    By Laura Sanders
  5. Health & Medicine

    Throat cancer from HPV proves treatable

    Cancer of the throat caused by the human papillomavirus isn’t as deadly as such cancer that arises from other causes.