Feature

  1. Cries and Greetings

    Baboon intimacy and detachment present vexing clues.

    By Bruce Bower

  2. The Meaning of Life

    Computers are unscrambling genomes to reveal the secrets in DNA codes.

    By Tina Hesman Saey
  3. Physics

    Celebrating the laser

    An introduction to the special section on lasers.

    By Tom Siegfried
  4. Health & Medicine

    Loosen Up

    Bacterial toxin may lead to less painful treatments for diabetes and brain cancer.

    By John Travis
  5. Chemistry

    Mosquito Magnets

    Your skin chemicals lure blood-sucking insects to their next meal.

    By Corinna Wu
  6. Animals

    Music without Borders

    When birds trill and whales woo-oo, we call it singing. Are we serious?

    By Susan Milius
  7. Health & Medicine

    Taking a Break

    Can interrupting their treatment benefit HIV-infected people?

    By Damaris Christensen

  8. Special cosmic edition: PDF download page

    All files are saved as PDFs.  Please download Adobe’s Acrobat Reader to view these files. Cosmic questions, answers pending: Complete packagePDF 2.61MB Mission: reveal the secrets of the universePDF 555KB Pre-Bang branes and bubbles | By Ron Cowen PDF 546KB In the dark | By Alexandra Witze PDF 328KB Strung together | By Matt Crenson […]

    By Science News

  9. Pushing the Mood Swings

    Social and psychological forces sway the course of manic depression.

    By Bruce Bower
  10. Health & Medicine

    The New GI Tracts

    For preventing heart disease, diets that control insulin are all the buzz.

    By Janet Raloff
  11. Materials Science

    The Buck Starts Here

    The U.S. Mint performed some neat tricks to make a golden dollar.

    By Corinna Wu
  12. Astronomy

    Less Massive than Saturn?

    Astronomers pass a milestone in the search for new worlds.

    By Ron Cowen