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The Scientific American 50

The Day the World Burned

By David A. Kring and Daniel D. Durda

The Unseen Genome: Beyond DNA

DNA was once considered the sole repository of heritable information. But biologists are starting to decipher a separate, much more malleable layer of information encoded within the chromosomes...

By W. Wayt Gibbs
Does Race Exist?
The Sciences

Does Race Exist?

If races are defined as genetically discrete groups, no. But researchers can use some genetic information to group individuals into clusters with medical relevance

By Michael J. Bamshad and Steve E. Olson

The New Moon

Recent lunar missions have shown that there is still much to learn about Earth's closest neighbor

By Paul D. Spudis

The Equivocal Success of the Wright Brothers: Myths about the Wright Brothers

By Daniel C. Schlenoff


  • Letters


  • Erratum

  • Advances

    Two-Second Drafts

  • Science v. Law

  • Lowering the Boom

  • Refining Green Gold

  • Down to the Deep

  • High Prize for Low Temperatures

  • Outside Looking In

  • Scarred Genes

  • Shrinking to Enlarge

  • Leaving Alone

  • Fly by Light

  • The Methane Seas

  • A Tunnel for Better Wireless

  • Recommended

    The Quest for Affordable Energy

  • Skeptic

    What's the Harm?

  • Anti Gravity

    Quod Error Demonstrandum

  • 50, 100 & 150 Years Ago

    Cosmic Hydrogen -- Wright Airplane -- Canine Labor

  • Perspectives

    Racing to Conclusions

  • In Brief

    Data Points: December 2003

  • Brief Points: December 2003

  • Puzzling Adventures

    You Don't Say!

  • Staking Claims

    Can Cells Be Generic?

  • Innovations

    Breath Takers

  • By the Numbers

    Measuring Modernity

  • Technicalities

    Science for Cops

  • Working Knowledge

    At the Moment

  • Departments

    Annual Index 2003

  • Fuzzy Logic

  • Insights

    The Cells That Rule the Seas

  • Ask the Experts

    Ask the Experts: December 2003

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