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On the Cover

September-October 2002 Volume 90, Number 5

People living on the eastern side of the Andes in Peru and Bolivia must cultivate crops under challenging high-altitude conditions. As this photograph of family plots on the flanks of the Cuyo-Cuyo valley attests, luxuriant growth of potatoes is possible on hillside terraces, a common strategy for farming steep terrain. ...


FEATURE ARTICLES

Gardening in Space *

David Jones

On the space shuttle Columbia, an experiment explores chemical growth without gravity and the challenges of orbital science


Deep-Ocean Life Where Oxygen Is Scarce *

Lisa Levin

Oxygen-deprived zones are common and might become more so with climate change. Here life hangs on, with some unusual adaptations


Ethnoclimatology in the Andes *

Benjamin Orlove, John Chiang, Mark Cane

A cross-disciplinary study uncovers a scientific basis for the scheme Andean potato farmers traditionally use to predict the coming rains


Protein Folding and Misfolding *

Jonathan King, Cameron Haase-Pettingell, David Gossard

The exquisite three-dimensional structures of proteins allow their diverse functions, but exactly how proteins fold remains a puzzle


Observing the Beginning of Time

Craig Hogan

New maps of the cosmic background radiation may display evidence of the quantum origin of space and time


* access restricted to members and subscribers


SCIENTISTS’ BOOKSHELF

Swashbuckling into the Nebulous Future

Diane Paul

A review of Redesigning Humans: Our Inevitable Genetic Future, by Gregory Stock

See all book reviews for this issue.


DEPARTMENTS

COMPUTING SCIENCE

Follow the Money

Brian Hayes

Why the rich get richer and the poor don't

MARGINALIA

Finding Out the Longitude

J. Donald Fernie

An elusive scientific goal of the 17th and 18th centuries

ENGINEERING

Benjamin Franklin Bridge *

Henry Petroski

The longest suspension bridge of its day

SCIENCE OBSERVER

Crackin' Good Mathematics

Mike May

What makes a whipcrack crack?

Confusion About Fusion

David Schneider

Why tabletop fusion is "nothing really amazing"

Attack of the Pseudo-Clones

Rebecca Sloan Slotnick

The Cape honeybee's clever means of invading other hives

LETTERS TO THE EDITOR

Saving the Hybrids

Quanta and Pennies

Using all the Terabytes

Resonant Pipes

FROM THE PRESIDENT


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