Scientific American Magazine Vol 271 Issue 2

Scientific American Magazine

Volume 271, Issue 2

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Features

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

Daniel J. Revelle, Lora Lumpe

Extreme Ultraviolet Astronomy

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

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

Jeff W. Lichtman

SQUIDs

(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

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

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

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

Theya Molleson

A Global View

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

Marguerite Holloway

Departments

Amplification

Letters to the Editors, August 1994

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

Star Gobbler

Darling Clementine?

Radon's Risks

Diversity Blues

The Riddle of [URE3]

Anti-omniscience

Missing Matter Found?

Darwin's Current Bulldog

Welfare Plastic

From Swords to Mouse Ears

Antigreen Greenies

More Bits from Pits

Rotaxanes

Illegitimi non Carborundum

A Workaholic Economy

Scanning Underwater Surfaces

Book Reviews--The Smallest Biochemists

Sex, Death and Kefir