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Making Every Drop Count

We drink it, we generate electricity with it, we soak our crops with it. And we're stretching our supplies to the breaking point. Will we have enough clean water to satisfy all the world's needs?

By Peter H. Gleick

100 Years of Quantum Mysteries

As quantum theory celebrates its 100th birthday, spectacular successes are mixed with persistent puzzles

By Max Tegmark and John Archibald Wheeler
How We Can Do It
Sustainability

How We Can Do It

By Diane Martindale and Peter H. Gleick
Safeguarding Our Water
Sustainability

Safeguarding Our Water

We drink it, we generate electricity with it, we soak our crops with it. And we're stretching our supplies to the breaking point. Will we have enough clean water to satisfy the world's needs?

By Peter H. Gleick
Growing More Food With Less Water
Sustainability

Growing More Food With Less Water

If the world hopes to feed its burgeoning population, irrigation must become less wasteful and more widespread

By Sandra Postel

Why the Y is so Weird

Our X and Y chromosomes make an odd couple. The X resembles any other chromosome, but the Ythe source of malenessis downright strange. How did the two come to differ so much?

By Karin Jegalian and Bruce T. Lahn

In Pursuit of the Ultimate Lamp

Full-spectrum light-emitting diodes, or LEDs, are becoming widespread—and the race is on to develop white-light versions to replace Edison's century-old incandescent bulb

By M. George Craford, Nick Holonyak Jr. and Frederick A. Kish Jr.

Departments

  • The Science of Persuasion

  • From the Editor

    From the Editors - When Physics Goes Pop

  • Letters

    The Mail

  • Erratum

  • Recommended

    Why Haven't We Found an AIDS Vaccine?

  • Anti Gravity

    Life Savers

  • 50, 100 & 150 Years Ago

    50, 100 and 150 Years Ago: The Common Cold, An Early Dial Telephone, 1901

  • Wonders

    The Big Bang: Wit or Wisdom?

  • In Brief

    Carbon Original

  • Copycaps

  • Mars Water

  • Stellar Work

  • Death Defying

  • Bad Breathosaur

  • Profile

    One Disaster after Another

  • Mathematical Recreation

    Pursuing Polygonal Privacy

  • Amateur Scientist

    Counting Particles from Space

  • Science and the Citizen

    Biological Alchemy

  • Collision Decision

  • Cheap Light

  • Higgs Won't Fly

  • Debit or Credit?

  • Mammoth Kill

  • By the Numbers

    The Rich and Other Americans

  • Working Knowledge

    Preparing for Battle

  • Connections

    Home from Home

  • Departments

    End Point

  • Cyber View

    No E(asy) Cure

  • Technology and Business

    Patently Inefficient

  • Shrinking to Enormity

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