Feature

  1. Fear Not

    Scientists find that facing your fears enables you to suppress them.

    By John Travis

  2. When to Change Sex

    A research team contends that animals that routinely change sex, even those prompted by mate loss or other social cues, tend to do so when they reach 72 percent of their maximum size.

    By Susan Milius
  3. Earth

    Infrasonic Symphony

    Scientists are eavesdropping on volcanoes, avalanches, earthquakes, and meteorites to discern these phenomena's infrasound signatures and see what new information infrasound might reveal.

    By Kate Ramsayer
  4. Materials Science

    News That’s Fit to Print—and Preserve

    Analyses of newsprint materials suggest that, despite their frail appearance, newspapers can last more than 200 years in storage—a fact that calls into question the merits of microfilming.