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Building a Brainier Mouse

By genetically engineering a smarter than average mouse, scientists have assembled some of the central molecular components of learning and memory

By Joe Z. Tsien

The Discovery of Brown Dwarfs

Less massive than stars but more massive than planets, brown dwarfs were long assumed to be rare. New sky surveys, however, show that the objects may be as common as stars.

By Gibor Basri

The 1999 National Medal of Technology

The latest winners of the nation's highest honors for innovation are celebrated for outstanding contributions to the growth and commercialization of the Internet, biotechnology, pattern recognition and more

Quantum Teleportation

The science-fiction dream of "beaming" objects from place to place is now a realityat least for particles of light

By Anton Zeilinger

The Aleutian Kayak

The Aleuts built the baidarka to suit their life as hunters on the open ocean. The sophisticated design of this kayak is still not entirely understood

By George B. Dyson

Monitoring Earth's Vital Signs

A new NASA satellite—one of a fleet called the Earth Observing System—is using five state-of-the-art sensors to diagnose the planet's health like never before

By Michael D. King and David D. Herring


  • Understanding Clinical Trials

  • From the Editor

    Quantum Bits and Boats

  • Letters

    The Mail

  • Advances


  • Insides Out

  • Recommended

    A Three-Billion-Year Memoir

  • Anti Gravity

    Mind Reading This?

  • 50, 100 & 150 Years Ago

    50, 100 & 150 Years Ago: Einstein, the H-Bomb and Whale Harpoons

  • Wonders

    The Lion Emperors

  • In Brief

    So you want to start a family...

  • Profile

    A Greene Universe

  • Mathematical Recreation

    Counting the Cattle of the Sun

  • Amateur Scientist

    A Furnace in a Thermos

  • Science and the Citizen

    A Taste for Science

  • Car Parts from Chickens

  • Fireballs of Free Quarks

  • Throwing in the Tower

  • Power to the PC

  • Outbreak Not Contained

  • Two Places at Once

  • Budget Boost

  • Morticians Beware

  • The Fifth Taste

  • By the Numbers

    Women and the Professions

  • Working Knowledge

    Cleaning Agents

  • Connections

    Water Music

  • Departments

    Who Were the Neandertals?

  • Cyber View

    Who Wants Privacy?

  • Technology and Business

    Rules of the Game

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April 2000

Science for the Modern World