Subscribe
Subscribe
MY AMERICAN SCIENTIST
LOG IN! REGISTER!
SEARCH
 
Logo IMG
HOME > PAST ISSUE

On the Cover

January-February 2008 Volume 96, Number 1

Death Valley seems an unlikely habitat for fish, yet the hottest, driest, lowest place in North America has long been host to several species of pupfish. Remnants from a cooler, wetter time during the last ice age, these hearty desert denizens occupy ponds, marshes and streams at isolated locations in the Death Valley area. ...


FEATURE ARTICLES

The Phenotypic Plasticity of Death Valley's Pupfish

Sean C. Lema

Desert fish are revealing how the environment alters development to modify body shape and behavior


Salivary Diagnostics

David T. Wong

Amazing as it might seem, doctors can detect and monitor diseases using molecules found in a sample of spit


A Stone-Age Meeting of Minds *

Thomas Wynn

Neandertals became extinct while Homo sapiens prospered. A marked contrast in mental capacities may account for these different fates


The Past and Future of the Periodic Table *

Eric R. Scerri

This stalwart symbol of the field of chemistry always faces scrutiny and debate


* access restricted to members and subscribers


SCIENTISTS’ BOOKSHELF

A Scientific Tempest

James P. Kossin

A review of Storm World: Hurricanes, Politics, and the Battle over Global Warming, by Chris Mooney. With refreshing objectivity and humanity, Mooney guides readers through the major areas of disagreement over the possible effects of global warming on hurricanes

See all book reviews for this issue.


DEPARTMENTS

COMPUTING SCIENCE

Accidental Algorithms

Brian Hayes

A strange new family of algorithms probes the boundary between easy and hard problems

SIGHTINGS

In Living Color

Felice Frankel

A new technique for "labeling" neurons with brilliant hues reveals structures and connections in the brains of transgenic mice

MACROSCOPE

"Reliably Safe"

Douglas W. Larson (Biology)

The history of one problematic dam in Oregon teaches how not to manage risk

MARGINALIA

Freed to Fly Again

Pat Shipman

Through CT scans that can show sub-millimeter details, an imprisoned fossil reveals its secrets

ENGINEERING

A Bridge and Observatory*

Henry Petroski

The new Penobscot Narrows crossing offers an innovative model for expedited construction

SCIENCE OBSERVER

Solar Energy's Red Queen

David Schneider

Conventional photovoltaic panels will be hard pressed to displace fossil-fuel use anytime soon. But a different kind of solar cell might well do so

Sounding Out Muscle Health

Fenella Saunders

The noise of contraction could help to diagnose disease

In the News

LETTERS TO THE EDITORS

Caroline on Our Minds

Vegetable Security

More Bridges, Please

Building on the Past

Dogs, Genes and Drugs

Space Debates

SIGMA XI TODAY (PDF)


Subscribe to American Scientist