Feature

  1. Beneath that blazing facade

    Researchers revamp ideas about what’s in the sun.

    By Alexandra Witze

  2. The incredible shrinking solar cell

    With lilliputian collectors, almost anything could be sun-powered.

    By Janet Raloff

  3. Safety in Numbers

    Mathematics offers innovative weapons for fighting terrorism.

    By Laura Sanders

  4. Enzymes Exposed

    Clearer views of the cell’s movers and shakers threaten a century-old mainstay of biology.

    By Lisa Grossman

  5. All Patterns Great and Small

    Researchers uncover the origins of creatures’ stripes and spots.

    By Tina Hesman Saey

  6. Not just a high

    Cannabis compounds show their stuff against a host of medical problems, relieving symptoms far beyond pain and nausea.

    By Nathan Seppa

  7. Fat chance

    Scientists are working out ways to rev up the body’s gut-busting machinery.

    By Laura Beil

  8. Life from scratch

    Relaunching biology from the beginning.

    By Charles Petit

  9. The Truth Hurts

    Scientists question voice-based lie detection.

    By Rachel Ehrenberg

  10. Genome from a bottle

    Back Story: Cracking the code.

    By Science News
  11. Physics

    Law & Disorder: A Companion

    More resources about how physicists and philosophers understand time.

    By Science News

  12. Law & Disorder

    Physicists keep trying to explain why time flows one way.

    By Tom Siegfried