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Why Go to Mars?

In the first of this group of articles about human missions to Mars, staff writer Glenn Zorpette examines the main goal: looking for life

By Glenn Zorpette

The Mars Direct Plan

A leading advocate of manned missions to Mars, Robert Zubrin, outlines his relatively inexpensive plan to send astronauts to the Red Planet within a decade

By Robert Zubrin

A Bus Between the Planets

Gravity-assist trajectories between Earth and Mars would reduce the cost of shuttling human crews and their equipment

By James Oberg and Buzz Aldrin

Staying Sane in Space

"Is the right stuff enough?" asks staff writer Sarah Simpson

By Sarah Simpson

Invaders From Hollywood

Thanks to Pathfinder and other missions, science gets some respect in Tinseltown, as staff writer Philip Yam finds after touchdown on a Vancouver set

By Philip Yam

The Tick-Tock of the Biological Clock

Biological clocks count off 24-hour intervals in most forms of life. Genetics has revealed that related molecular timepieces are at work in fruit flies, mice and humans

By Michael W. Young

Dissecting a Hurricane

Flying into the raging tumult of Dennis, scientists suspected that the storm might transform into a monster–if they were lucky

By Tim Beardsley

The Bromeliads of the Atlantic Forest

Along the coast of Brazil, 8 percent of a once flourishing forest is left to house a diverse family of bromeliads. A group of biologists scale cliffs and trees to collect these rare beauties

By Gustavo Martinelli

Departments

  • RUNNING THE DAM GAUNTLET

  • To Mars by Way of Its Moons

  • How to Go to Mars

  • Sun-Stains

  • From the Editor

    The Second War of the Worlds

  • Erratum

  • Letters

    Letters

  • Recommended

    A Whirlybird's-eye View of the World

  • The Editors Recommend

  • Anti Gravity

    C-A-T-T-T-T-T-T-T-T

  • 50, 100 & 150 Years Ago

    50, 100 & 150 Years Ago: Hydrogen Bomb, Magnetic Fields and Radiation and Awake and Insane

  • In Brief

    IN BRIEF

  • Profile

    Between Burb and Burg

  • Mathematical Recreation

    A Strategy for Subsets

  • Amateur Scientist

    An Automated Precision Magnetometer

  • Science and the Citizen

    BRAIN TERRAIN

  • BURNING TIMES FOR HOT FUSION

  • By the Numbers

    Minorities and Bachelor's Degrees in the U.S.

  • Working Knowledge

    ELECTRICITY METERS

  • Connections

    Wuff, Wuff

  • Cyber View

    Mobilizing the Internet

  • Technology and Business

    Working Under Pressure

  • Brain Invaders

  • Bioagent Chip

  • Bidding On Bones

  • In Focus

    Granting Immunity

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March 2000

Think Outside the Gift Box