Uncategorized

  1. Animals

    Paper wasps object to dishonest face spots

    Female wasps with dishonest faces, created by researchers who altered the wasps' natural status spots, have to cope with extra aggression.

    By Susan Milius
  2. Earth

    Shake Down: Deep tremors observed at San Andreas fault

    Patterns of activity for a type of tremor that occurs deep beneath California's San Andreas fault may offer scientists a way to foretell earthquake activity there.

    By Sid Perkins

  3. 19496

    This article mentions “ferricyanide, an electron-hungry molecule.” This puzzled me no end. Aren’t ferricyanide molecules, unlike their ions, electrically neutral? I’m trying to visualize ravenous molecules gobbling up innocent electrons. Ernest NussbaumBethesda, Md. Ferricyanide is indeed an ion, with a negative charge of –3.