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  1. Health & Medicine

    Anti-inflammatory prevents pancreatic cancer in mice

    An anti-inflammatory drug of the COX-2 inhibitor family blocks precancerous lesions in mice prone to pancreatic cancer.

    By Nathan Seppa
  2. Math

    Calculating the Word Spurt

    Mathematics, not brain development, explains why toddlers begin to pick up words quickly after a slow start.

    By Julie Rehmeyer
  3. Tech

    Uncharted atomic landscapes

    A refinement to electron microscopes enables them not only to visualize atoms but also to identify different elements.

    By Davide Castelvecchi
  4. Earth

    How reading may protect the brain

    People who read well show more resistance to the toxic brain effects of lead exposure.