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Fusion and the Z Pinch

A device called the Z machine has led to a new way of triggering controlled fusion with intense nanosecond bursts of x-rays

By Gerold Yonas

Low-Back Pain

Low-back pain is at epidemic levels. Although its causes are still poorly understood, treatment choices have improved, with the body's own healing power often the most reliable remedy...

By Richard A. Deyo

Computing with DNA

The manipulation of DNA to solve mathematical problems is redefining what is meant by computation

By Leonard M. Adleman

Monitoring and Controlling Debris in Space

The path from Sputnik to the International Space Station has been littered with high-tech refuse, creating an environmental problem in outer space

By Nicholas L. Johnson

A Quarter-Century of Recreational Mathematics

The author of Scientific American's column "Mathematical Games" from 1956 to 1981 recounts 25 years of amusing puzzles and serious discoveries

By Martin Gardner

Irrigating Crops with Seawater

As the world's population grows and freshwater stores become more precious, researchers are looking to the sea for the water to irrigate selected crops

By Edward P. Glenn, J. Jed Brown and James W. O'Leary


These tiny, enigmatic crystals hold promise both for industry and for the study of how diamond grows

By Rachael Trautman, Brendan J. Griffin and David Scharf

The Philadelphia Yellow Fever Epidemic of 1793

One of the first major epidemics of the disease in the U.S., it devastated America's early capital. It also had lasting repercussions for the city and country

By Kenneth R. Foster, Mary F. Jenkins and Anna Coxe Toogood


  • From the Editor

    Believing Your Eyes

  • Letters

    Letters to the Editors, August 1998

  • Errata

  • Recommended

    Reviews and Commentaries: America's Industrial Comeback

  • Anti Gravity

    Hoop Genes

  • 50, 100 & 150 Years Ago

    50, 100 and 150 Years Ago: Spelling Bee, Daily Grind and Aboriginal Boomerang

  • Wonders

    The Left and the Right

  • In Brief

    In Brief, August 1998

  • Profile

    An Express Route to the Genome?

  • Mathematical Recreation

    Monks, Blobs and Common Knowledge

  • Amateur Scientist

    Building a Consciousness of Streams

  • Science and the Citizen

    A Massive Discovery

  • Beyond Physics

  • Food for Thought

  • Bright Lights, Big Mystery

  • By the Numbers

    Amphibians at Risk

  • Working Knowledge

    Scuba Regulators--Working Knowledge

  • Connections

    Tick Tock

  • Cyber View

    Access Denied

  • Technology and Business

    Trade Rules

  • The Other Computer Problem

  • Look for the Union Label

  • In Focus

    Deadly Secrets

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