Subscribe
Subscribe
MY AMERICAN SCIENTIST
LOG IN! REGISTER!
SEARCH
 
Logo IMG

On the Cover

May-June 2015
Volume 103, Number 3

The assemblage of mammals in Egypt has declined in species diversity over the past 10,000 years. Using clues from archaeology and paleontology, ecologists have pieced together the food web of larger-bodied mammals present before, during, and after the rise of agricultural societies in ancient Egypt...


FEATURE ARTICLES

Modern Lessons from Ancient Food Webs *

Justin D. Yeakel, Jennifer A. Dunne

From the Cambrian Burgess Shale to ancient Egypt, food webs share surprising structural attributes. When redundancy is lost, the threat of extinction grows.


The Next Great Exoplanet Hunt *

Kevin Heng, Joshua Winn

Future telescopes are poised to find strange new worlds.


Taste, Sickness, and Learning

Terry L. Davidson, Anthony L. Riley

Understanding how we form aversions to particular flavors has led to new ideas about learning—and could have implications for treating obesity and drug use.


Fabrication at the Nano Scale with Molds and Imprinting *

Jaslyn B. K. Law

Technologies similar to embossing but at minuscule sizes can create novel devices.


The Fatigue Conundrum *

Ashley Nunes, Philippe Cabon

Whether it’s mild sleepiness or mind-numbing exhaustion, the challenge of fatigue on the job can be complex, dangerous, and surprisingly difficult to manage.


* access restricted to members and subscribers


SCIENTISTS’ NIGHTSTAND

On the Shore of the Infinite

Corey S. Powell

A brief review of COSMIGRAPHICS: Picturing Space Through Time, by Corey S. Powell

See all book reviews for this issue


DEPARTMENTS

FROM THE EDITORS

A Choose-Your-Own-Adventure World

Jamie L. Vernon

COMPUTING SCIENCE

Crawling Toward a Wiser Web

Computing with data sets as large as the World Wide Web was once the exclusive prerogative of large corporations; the Common Crawl gives the rest of us a chance.

Brian Hayes

ENGINEERING

Robert Wilson: Fermilab's Master Physicist, Sculptor, and Engineer

The founder of one of the world’s leading particle colliders put his stamp on every aspect of the lab, from its aesthetics to its energy levels.

Henry Petroski

ARTS LAB

Bringing Postnatural History into View

Domesticated species of plants and animals illustrate adaptation by means of artificial selection—that is, selection driven by human needs and preferences.

Richard W. Pell, Lauren B. Allen

2015-05ArtsLabPellF1.jpgClick to Enlarge Image

PERSPECTIVE

How Can Art Move Us Beyond Eco-Despair?

Grim news about climate change easily triggers a sense of helplessness. Art can help redirect that feeling into one of active engagement.

Robert Louis Chianese

2015-05PerspectiveChianeseF3.jpgClick to Enlarge Image

TECHNOLOGUE

A Wire Across the Ocean

The first telegraph cable to span the Atlantic revolutionized communication, but it also transformed business, politics, and even language.

Ainissa Ramirez

SPOTLIGHT

The Challenge of Restoring Biodiversity's Outer Edge

For the rarest butterfly in North America, restoration efforts may have increased its food supply—but also its predators

Katie L. Burke

Evolutionary Medicine

An interview with biologist Jim Smith his work as an evolutionary biology researcher and evolution educator.

Sandra J. Ackerman

Briefings

LETTERS TO THE EDITORS

Chaos and Momentum

An Emerging Field

What's in a Smell?

When Bicycles Fly

A Walk Down the Hall


SIGMA XI TODAY (PDF)


Subscribe to American Scientist