Feature

  1. Genetics

    Keeping Time

    New findings show how circadian clocks make the body tick.

    By Tina Hesman Saey
  2. Humans

    Odds Are, It’s Wrong

    Science fails to face the shortcomings of statistics.

    By Tom Siegfried

  3. In Pursuit of the Briefest Beat

    Attosecond pulses of light could open electrons’ fast-paced world.

    By Charles Petit

  4. Stomach’s Sweet Tooth

    Turns out taste is not just for the tongue.

    By Rachel Ehrenberg
  5. Plants

    Losing life’s variety

    2010 is the deadline set for reversing declines in biodiversity,  but little has been accomplished.

    By Susan Milius
  6. Physics

    Hogan’s noise

    A cosmologist suggests a novel way to uncover the nature of spacetime on the smallest scales.