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Trade, Jobs and Wages

Blaming foreign competition for U.S. economic ills is ineffective. The real problems lie at home

By Paul R. Krugman and Robert Z. Lawrence

Charge and Spin Density Waves

Electrons in some metals arrange into crystalline patterns that move in concert, respond peculiarly to applied voltages and show self-organization

By Stuart Brown and George Grüner

Visualizing the Mind

Strategies of cognitive science and techniques of modern brain imaging open a window to the neural systems responsible for thought

By Marcus E. Raichle

Precious Metal Objects of the Middle Sicán

A Peruvian culture older than the Incas made unprecedented use of gold and other metals. Studies of Sicán metalworking techniques offer hints about this mysterious society

By Izumi Shimada and Jo Ann Griffin

The Pioneer Mission to Venus

This multipart spacecraft spent 14 years scrutinizing the atmosphere, clouds and environs of the nearest planet. The results clarify the stunningly divergent evolutionary histories of Venus and the earth

By Janet G. Luhmann, James B. Pollack and Lawrence Colin

Nurturing Nature

Can we rebuild it? The field of ecological restoration is evaluating techniques to restore nature and is grappling with definitions of success

By Marguerite Holloway


  • Letters to the Editors, April 1994

  • Silly Season

  • Chemistry and Physics in the Kitchen

  • The Dilemmas of Prostate Cancer

  • The Kitchen as a Lab

  • TechnoFiles

    The Threat of Buried Thrust Faults

  • 50, 100 & 150 Years Ago

    50 And 100 Years Ago: The Armour Foundation and Electricity for Households

  • Mathematical Recreation

    Book Reviews—Patterns and Pattern Makers

  • Science and the Citizen

    Cool Man, Hot Job

  • Quantum Computing Creeps Closer to Reality

  • Super Sonic

  • Bang! You're Alive

  • An Epidemic Ignored

  • Super Progress

  • Revisiting Old Battlefields

  • Departments

    Are Hospitals Heading for Intensive Care?

  • E-mail and the New Epistolary Age

  • Technology and Business

    Mirror, Mirror

  • Shaking Quakes

  • Basic Strategies

  • Hot Property

  • Softwars

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April 1994

Think Outside the Gift Box