March 2007
Scientific American Magazine

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Cover; March 2007; by Staff Editor; 1 Page(s)

Table of Contents; March 2007; by Staff Editor; 2 Page(s)

SA Perspectives: The Beef with Cloned Meat; March 2007; by Staff Editor; 1 Page(s)

The beef with cloned meat

How to Contact Us and On the Web; March 2007; by Staff Editor; 1 Page(s)

Letters; March 2007; by Staff Editor; 2 Page(s)

50, 100 and 150 Years Ago; March 2007; by Staff Editor; 1 Page(s)

Piaget's Physics; Babylon's Taxes; Mobile's Cotton

Sight for Sore Eyes; March 2007; by Alison Snyder; 2 Page(s)

Progress in cell transplants to heal damaged retinas

Alone at the Top; March 2007; by Alexander Hellemans; 2 Page(s)

Closer to god: Fermilab makes solo top quarks

Deadly Dialogue; March 2007; by Christine Soares; 2 Page(s)

Healthy tissue may inadvertently call in tumors

Pole Positions; March 2007; by Charles Q. Choi; 1 Page(s)

The International Polar Year kicks off

Sympathy for the Devil; March 2007; by Wendee Holtcamp; 1 Page(s)

Ideas emerge to save the dying Tasmanian devil

Scoring Your Identity; March 2007; by Mark Fischetti; 2 Page(s)

New tactics root out the false use of personal data

News Scan Briefs; March 2007; by Alison Snyder, David Biello, Charles Q. Choi; 2 Page(s)

The Password is G-L-O; Cutting Back, Not Cutting Down; The Long and Short of It; Titanic Lakes of Methane; Back to the Future; A Gene for Aging Smartly

By the Numbers: Breaking the Mold; March 2007; by Rodger Doyle; 1 Page(s)

A real family value: mothers who work outside the home

Skeptic: (Can't Get No) Satisfaction; March 2007; by Michael Shermer; 1 Page(s)

The new science of happiness needs some historical perspective

Sustainable Developments: Threats of War, Chances for Peace; March 2007; by Jeffrey D. Sachs; 1 Page(s)

Preventing the spread of war will depend on strategies that recognize the shared interests of adversaries

Insights: Graph Theory and Teatime; March 2007; by Gary Stix; 2 Page(s)

Deep in the heart of Microsoft, Jennifer Chayes and Christian Borgs lead a who's who of mathematics and computer science. The goal? To explore anything they please

Black Hole Blowback; March 2007; by Wallace Tucker, Harvey Tananbaum and Andrew Fabian; 8 Page(s)

A single black hole, smaller than the solar system, can control the destiny of an entire cluster of galaxies

Mapping the Cancer Genome; March 2007; by Francis S. Collins and Anna D. Barker; 8 Page(s)

The Cancer Genome Atlas will help chart a new course across the complex landscape of human malignancies

A Digital Life; March 2007; by Gordon Bell and Jim Gemmell; 8 Page(s)

New systems may allow people to record everything that has touched their lives and to store all these data in a personal digital archive

Down Go the Dams; March 2007; by Jane C. Marks; 6 Page(s)

Many dams are being torn down these days, allowing rivers and the ecosystems they support to rebound. But ecological risks abound as well. Can they be averted?

New Predictors of Disease; March 2007; by Abner Louis Notkins; 8 Page(s)

Predictive autoantibodies appear in the blood years before people show symptoms of various disorders. Tests that detected these molecules could warn of the need to take preventive action

Diesels Come Clean; March 2007; by Steven Ashley; 8 Page(s)

Improved engines and exhaust scrubbers, combined with a new fuel, will make energy-efficient diesels nearly as green as hybrids

Illusory Color and the Brain; March 2007; by John S. Werner, Baingio Pinna and Lothar Spillmann; 6 Page(s)

The brain may not separate perception of color from perception of form and depth

Working Knowledge: Restoring Flow; March 2007; by Mark Fischetti; 2 Page(s)

Left ventricular assist devices

Reviews: A New Journey into Hofstadter's Mind; March 2007; by George Johnson; 3 Page(s)

In I Am a Strange Loop, Douglas R. Hofstadter explores the G¿delian vortex of the conscious mind

Anti Gravity: Tough to Swallow; March 2007; by Steve Mirsky; 1 Page(s)

Look out stomach, here comes the sword

Ask the Experts; March 2007; by Gordon Kane, Lora A. Sporny; 1 Page(s)

Do the virtual particles in quantum mechanics really exist? When you lose weight, where does it go?