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Features

The Speed of Write

Scientists now transmit reports of their research--from first inspiration to final result--over electronic networks. Even live experiments can be witnessed on-line. Publishers and libraries may never be the same

By Gary Stix

The New Genetic Medicines

Synthetic strands of DNA are being developed as drugs. Called antisense and triplex agents, they can potentially attack viruses and cancers without harming healthy tissue

By Jack S. Cohen and Michael E. Hogan

The Duality in Matter and Light

In quantum mechanics, objects can behave as particles or as waves. Studies now emphasize that such complementary features are more fundamental than has generally been appreciated

By Berthold-Georg Englert, Marlan O. Scully and Herbert Walther

Making Environmental Treaties Work

Many agreements aim to protect the global environment. But actually making them do so requires innovative approaches

By Hilary F. French

Improving Automotive Efficiency

Batteries and fuel cells? Cleaner air and reduced oil imports can be won by redesigning conventional internal-combustion-powered vehicles

By John DeCicco and Marc Ross

Earth from Sky

Radar systems carried aloft by the space shuttle Endeavour provide a new perspective of the earth's environment

By Diane L. Evans, Ellen R. Stofan, Thomas D. Jones and Linda M. Godwin

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