Skip to main content


The Tyranny of Choice

Logic suggests that having options allows people to select precisely what makes them happiest. But, as studies show, abundant choice often makes for misery

Blastoffs on a Budget

Private ventures seeking to make routine access to space affordable see big potential in going small

By Joan C. Horwath
The First Nanochips

The First Nanochips

As scientists and engineers continue to push back the limits of chipmaking technology, they have quietly entered into the nanometer realm

By G. Dan Hutcheson

The Hidden Members of Planetary Systems

The solar system consists of more than just planets; it is also a beehive of asteroids and comets. Is that the case for other planetary systems, too?

By David R. Ardila
Evolution Encoded
The Sciences

Evolution Encoded

New discoveries about the rules governing how genes encode proteins have revealed nature's sophisticated "programming" for protecting life from catastrophic errors while accelerating evolution

By Stephen J. Freeland and Laurence D. Hurst


  • Making Proteins without DNA

  • Patent Enforcement

  • The Other Half of the Brain

  • Letters


  • Advances

    Double Distress

  • Magnetic Moods

  • Missing Movement

  • A Regal Bearing

  • Rooting Out Bombs

  • New Path to Ammonia

  • Leaving the Host Behind

  • Red with Prejudice

  • Recommended

    The Brain in Love

  • Skeptic

    Magic Water and Mencken's Maxim

  • Anti Gravity

    Visiting Royalty

  • 50, 100 & 150 Years Ago

    Tracking Tritium -- Chasing Dengue -- Questioning Evidence

  • Perspectives

    Breaking Out of Orbit

  • In Brief

    Data Points: April 2004

  • Brief Points: April 2004

  • Puzzling Adventures


  • By the Numbers

    A Surplus of Women

  • Technicalities

    Plug-and-Play Robots

  • Working Knowledge

    Complete Burn

  • Departments

    Fuzzy Logic: April 2004

  • Insights

    Draining the Language out of Color

  • Ask the Experts

    Ask the Experts: April 2004

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
April 2004

20% Sitewide for President's Day