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The Promise of Plasmonics

A technology that squeezes electromagnetic waves into minuscule structures may yield a new generation of superfast computer chips and ultrasensitive molecular detectors

By Harry A. Atwater

Just How Smart Are Ravens?

Recent experiments show that these birds use logic to solve problems and that some of their abilities approach or even surpass those of the great apes

By Bernd Heinrich and Thomas Bugnyar

The Ghosts of Galaxies Past

Strangely moving stars may be the remnants of past galaxies devoured by our Milky Way

By Rodrigo Ibata and Brad Gibson

A Cure for Rabies?

The survival of a Wisconsin teenager who contracted rabies may point the way to a treatment for this horrifying disease

By Rodney E. Willoughby Jr.

The Movies in Our Eyes

The retina processes information much morethan anyone has ever imagined, sending a dozen different movies to the brain

By Frank Werblin and Botond Roska

Gassing Up with Hydrogen

Researchers are working on ways for fuel-cell vehicles to hold the hydrogen gas they need for long-distance travel

By Sunita Satyapal, John Petrovic and George Thomas


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