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Features

Single Mothers and Welfare

For the first time since the Great Depression, large numbers of families are homeless. Recent welfare revisions will put even more women and children on the streets

By Ellen L. Bassuk, Angela Browne and John C. Buckner

Microbes Deep Inside the Earth

Recently discovered microorganisms that dwell within the earth's crust could reveal clues to the origin of life

By James K. Fredrickson and Tullis C. Onstott

Friction at the Atomic Scale

Long neglected by physicists, the study of friction's tomic-level origins, or nanotribology, indicates that the force tems from various unexpected sources, including sound energy

By Jacqueline Krim

Controlling Computers with Neural Signals

Electrical impulses from nerves and muscles can command computers directly, a method that aids people with physical disabilities

By Hugh S. Lusted and R. Benjamin Knapp

Confronting Science's Logical Limits

The mathematical models now used in many scientific fields may be fundamentally unable to answer certain questions about the real world. Yet there may be ways around these problems

By John L. Casti

Sounding Out Science

By Marguerite Holloway

Departments

  • Ten Days Under the Sea

  • Charles Darwin and Associates, Ghostbusters

  • From the Editor

    Microbes from Mars? Maybe

  • Letters

    Letters to the Editors, October 1996

  • Erratum

  • Recommended

    Reviews and Commentaries--Mistakes Were Made

  • Anti Gravity

    Just Say NO

  • 50, 100 & 150 Years Ago

    50, 100 and 150 Years Ago: Fuel Costs, Cycling Without Breaks and Discovery of Anesthesia

  • Wonders

    New World and Old: A Matter of Magnitude

  • In Brief

    In Brief, October 1996

  • Profile

    Probing Medicine's Outer Reaches

  • Mathematical Recreation

    Monopoly Revisited

  • Amateur Scientist

    Working in a Vacuum

  • Science and the Citizen

    Fish Fight

  • A Spinning Crystal Ball

  • On the Tail of the Tiger

  • Hurricane Hullabaloo?

  • Unicorn Hunts?

  • By the Numbers

    Soil Erosion of Cropland in the U.S., 1982 to 1992

  • Working Knowledge

    Working Knowledge on Photocopiers

  • Connections

    Making Your Mark

  • Cyber View

    Television by Any Other Name

  • Field Notes

    Building a Better T-Bone

  • Technology and Business

    "X" (Rays) Mark the Tumor

  • Picking on Cotton

  • Programming with Primordial Ooze

  • Recently Netted...

  • In Focus

    Bugs in the Data?

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