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Rebuilding the Food Pyramid
The Sciences

Rebuilding the Food Pyramid

The dietary guide introduced a decade ago has led people astray. Some fats are healthy for the heart, and many carbohydrates clearly are not

By Walter C. Willett and Meir J. Stampfer

An Ancestor to Call Our Own

Controversial new fossils could bring scientists closer than ever to the origin of humanity

By Kate Wong

Earthquake Conversations

Contrary to prevailing wisdom, large earthquakes can interact in unexpected ways. This exciting discovery could dramatically improve scientists' ability to pinpoint future shocks

By Ross S. Stein
New Light on Medicine
Health

New Light on Medicine

Pigments that turn caustic on exposure to light can fight cancer, blindness and heart disease. Their light-induced toxicity may also help explain the origin of vampire tales

By Nick Lane

The Nanodrive Project

Inventing a nanotechnology device for mass production and consumer use is trickier than it sounds

By Peter Vettiger and Gerd Binnig

Departments

  • Digits and Fidgets

  • The Science of Bubbly

  • Sonic Boon

  • Letters

    Letters

  • Errata

  • Advances

    Back to the Moon?

  • Color Madness

  • Fixing Food

  • Getting under Your Skin

  • Heat and Light

  • Shake, Waddle and Stroll

  • Nuclear Close Call?

  • A Stretch for Strong Copper

  • Ice That Sinks

  • Flipper Flip-Flop

  • Recommended

    Out of Sight, Out of Mind

  • Anti Gravity

    Good Fellows

  • 50, 100 & 150 Years Ago

    Radio Astronomy -- Radio Commerce -- Industrial Luxury

  • Perspectives

    Self and Circuitry

  • In Brief

    Data Points: January 2003

  • Brief Points: January 2003

  • Puzzling Adventures

    Protein Chime

  • Voyages

    Peering into the Earth

  • Profile

    Science to Save the World

  • Staking Claims

    Fair Use and Abuse

  • Innovations

    Type It Anywhere

  • By the Numbers

    Warming Up America

  • Working Knowledge

    Scratch Match

  • Departments

    Fuzzy Logic

  • Ask the Experts

    Ask the Experts: January 2003

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