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  1. Science & Society

    One anniversary to celebrate, one to contemplate

    In this issue, both feature articles focus on anniversaries, though of two very different kinds.

    By Eva Emerson
  2. Life

    It’s true: Butterfly spots can mimic scary eyes

    Contrary to recent studies, the old notion that butterfly wing eyespots evoke predator eyes may not be so old-fashioned after all.

    By Susan Milius
  3. Genetics

    Anti-inflammation genes linked to longer lives

    Inflammation-dampening genes fight oxidants and promote longer life spans.

    By Tina Hesman Saey
  4. Health & Medicine

    Mutation regions mapped on genes that cause breast and ovarian cancer

    An analysis of mutated BRCA genes could someday be used for personalized medicine in the fight against breast and ovarian cancer.