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Third World Submarines

The proliferation of submarines may be a threat to established navies and regional stability, but to arms manufacturers it is a market opportunity

By Daniel J. Revelle and Lora Lumpe

Extreme Ultraviolet Astronomy

Observations at these wavelengths, once thought impossible, are extending knowledge of the cosmos

By Stuart Bowyer

Confocal Microscopy

For producing sharp two- or three-dimensional images with light, this microscopic technique is unsurpassed. It can also be applied for seeing deep inside the tissues of living specimens...

By Jeff W. Lichtman


(for superconducting quantum interference devices) are the most sensitive detectors of magnetic fields. Their applications range from diagnosis of brain tumors to tests of relativity...

By John Clarke

How Cells Process Antigens

Cells alert the immune system to the presence of infections by displaying molecular complexes made from bits of their own proteins and those of invading organisms

By Victor H. Engelhard

Red Tides

Many experts believe these blooms of toxic algae have recently become more prevalent, posing a greater threat to human and marine health

By Donald M. Anderson

The Eloquent Bones of Abu Hureyra

The daily grind in an early Near Eastern agricultural community left revealing marks on the skeletons of the inhabitants

By Theya Molleson

A Global View

Improving women's health means overhauling attitudes toward sex and addressing hidden epidemics, such as domestic violence

By Marguerite Holloway


  • Letters


  • Letters to the Editors, August 1994

  • Recommended

    Book Reviews--The Smallest Biochemists

  • 50, 100 & 150 Years Ago

    50 and 100 Years Ago: Gasoline Injection into Engine Cylinders and Tower Bridge

  • Profile

    Darwin's Current Bulldog

  • Amateur Scientist

    Scanning Underwater Surfaces

  • Science and the Citizen

    Star Gobbler

  • Darling Clementine?

  • Radon's Risks

  • Diversity Blues

  • The Riddle of [URE3]

  • Anti-omniscience

  • Missing Matter Found?

  • Departments

    A Workaholic Economy

  • Sex, Death and Kefir

  • Technology and Business

    Welfare Plastic

  • From Swords to Mouse Ears

  • Antigreen Greenies

  • More Bits from Pits

  • Rotaxanes

  • Illegitimi non Carborundum

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