Uncategorized

  1. Physics

    Bunches of atoms madly morph

    While investigating the instability of tiny clusters of atoms, scientists observe ultrasmall salt grains switching shapes at a stupendous rate.

    By Peter Weiss
  2. Astronomy

    Ordinary matter: Lost and found

    Astronomers believe they have finally found the whereabouts of most of the ordinary matter in the universe.

    By Ron Cowen
  3. Health & Medicine

    Abortion-cancer link is rejected

    A workshop report concludes that abortions do not increase a woman's chance of developing breast cancer.

    By John Travis
  4. Math

    Scrambled Grids

    Amazingly simple mathematical operations can lead to intriguingly complex results. Consider, for instance, the iterative geometric process of creating flaky pastry dough.