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July-August 2007

On the Cover

July-August 2007 Volume 95, Number 4

Perched high above the plains of the East African tropics are the towe...

FEATURE ARTICLES

The Shrinking Glaciers of Kilimanjaro: Can Global Warming Be Blamed?

Phillip W. Mote, Georg Kaser

The Kibo ice cap, a "poster child" of global climate change, is being starved of snowfall and depleted by solar radiation

Feel the Burn *

Gina M. Story, Lillian Cruz-Orengo

The linked sensations of temperature and pain come from a family of membrane proteins that can tell neurons to fire when heated or hot-peppered

Cassini: The First One Thousand Days *

Carolyn C. Porco

The spacecraft's journey in orbit around this ringed world has provided startling discoveries and unprecedented views of Saturn's atmosphere, rings and moons, with more surprises doubtless still to come

Kelvin, Perry and the Age of the Earth *

Philip C. England, Peter Molnar, Frank M. Richter

Had scientists better appreciated one of Kelvin's contemporary critics, the theory of continental drift might have been accepted decades earlier

* access restricted to members and subscribers

SCIENTISTS’ BOOKSHELF

Psychohistory in the Making?

A review of A Beautiful Math: John Nash, Game Theory, and the Modern Quest for a Code of Nature, by Tom Siegfried. This tour of new ideas in game theory is entertaining, says Binmore, but pays little attention to economics, the subject where game theory has had its biggest successes

See all book reviews for this issue.

DEPARTMENTS

COMPUTING SCIENCE

How Many Ways Can You Spell V1@gra?

Spam mutates, and the Internet community mounts an immune response

MACROSCOPE

Evolution, Religion and Free Will

Gregory W. Graffin, William B. Provine

The most eminent evolutionary scientists have surprising views on how religion relates to evolution

SIGHTINGS

Rendering computer simulations of explosions

MARGINALIA

Conflict over the essences of sweeteners and olive oils brings chemistry into the courtroom

ENGINEERING

What's In a Name Tag? *

Conveying essential information in a clear, attractive way is a classic design problem

SCIENCE OBSERVER

David Schneider

Will this energy standby truly last for centuries—or just decades?

The Pump Don't Work

David Schoonmaker

"Water, water, every where, Nor any drop to drink." —Samuel Taylor Coleridge

LETTERS TO THE EDITOR

A Tale of Tails

Gleaning the Cube

The Body Electric

Bright Lights, Big City

True Reflections

SIGMA XI TODAY (PDF)

IN THIS SECTION

American Scientist Classics

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