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On the Cover

January-February 2009 Volume 97, Number 1

Colorful lights and clouds of steam make for an interesting predawn image of a coal-fired power plant in Point of Rocks, Wyoming, but it's really a picture of wasted energy. ...


FEATURE ARTICLES

Getting the Most from Energy *

Thomas R. Casten, Phillip F. Schewe

Recycling waste heat can keep carbon from going sky high


Healing Heat: Harnessing Infection to Fight Cancer

Uwe Hobohm

Modern immunology plus historic experiments suggest a better way to gear up the human immune system to battle malignant disease


Kashmir Valley Megaearthquakes *

Susan Hough, Roger Bilham, Ismail Bhat

Estimates of the magnitudes of past seismic events foretell a very shaky future for this pastoral valley


The Bones of Copernicus *

Dennis Danielson

Twenty-first-century cosmologists, historians and archaeologists continue to seek a true portrait of the great astronomer and his contribution


* access restricted to members and subscribers


SCIENTISTS’ BOOKSHELF

The Worst Is Yet to Be

Charles Perrow

A review of Global Catastrophes and Trends: The Next Fifty Years, by Vaclav Smil. By enriching our understanding of the complexity of nature and society, Smil shows that we have much more to fear than accumulating carbon dioxide

See all book reviews for this issue.


DEPARTMENTS

MACROSCOPE

The Herbal of Rumphius

A 17th-century Dutch naturalist established the botanical foundations of the flora of Indonesia

Lynn Margulis and Peter Raven

COMPUTING SCIENCE

Automation on the Job

Computers were supposed to be labor-saving devices. How come we're still working so hard?

Brian Hayes

ENGINEERING

Machu Picchu*

The engineering profession recognizes the prowess of the 15th-century Inca

Henry Petroski

MARGINALIA

Routes of Resistance

Adding to the world of known chemical structures is a wonderful mental experiment

Robert L. Dorit

SIGHTINGS

A Vennerable Challenge

The strengths and weaknesses of Venn diagrams

Robert Kosara

SCIENCE OBSERVER

What's All the Flap About?

Butterflies need their hind wings not to stay aloft but to evade predators

Fenella Saunders

Move Over, Flintstones

This human-electric hybrid car is powered by rowing, not running

Anna Lena Phillips

In the News

LETTERS TO THE EDITORS

Enlightening Work
Cold War Oeuvre
We Will Age
Let's Change Later

SIGMA XI TODAY (PDF)


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