April 2003
Scientific American Magazine

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Cover; April 2003; by Staff Editor; 1 Page(s)

Table of Contents; April 2003; by Staff Editor; 2 Page(s)

SA Perspectives: Get Real; April 2003; by Staff Editor; 1 Page(s)

Get real about abstract worries

How to Contact Us and On the Web; April 2003; by Staff Editor; 1 Page(s)

Letters to the Editors; April 2003; by Staff Editor; 2 Page(s)

50, 100 and 150 Years Ago; April 2003; by Staff Editor; 1 Page(s)

The Wily Flu; Frozen Continent; Fishy Aviation

Rethinking the Shuttle; April 2003; by Mark Alpert; 2 Page(s)

In future manned flights, smaller will be safer

Oiling Up Spain; April 2003; by Luis Miguel Ariza; 2 Page(s)

A sunken tanker could tarnish Spain for decades

Foiling a Faint Sun; April 2003; by Sarah Simpson; 1 Page(s)

Hungry bacteria may have warmed an ancient earth

A Tale of Two C's; April 2003; by George Musser; 2 Page(s)

Gravity speed test raises some relativistic eyebrows

Out of the Woods; April 2003; by Emily Harrison; 2 Page(s)

Moving the gray wolf off the endangered list

Ma's Eyes, Not Her Ways; April 2003; by Carol Ezzell; 1 Page(s)

Clones can vary in behavioral--and physical--traits

By the Numbers: Defining Poverty; April 2003; by Rodger Doyle; 1 Page(s)

Official poverty statistics may be misleading

News Scan Briefs; April 2003; by JR Minkel, Charles Choi, George Musser; 2 Page(s)

Bits through Ballistics; Skipping for Smarties; Motoring with RNA; Unfolding the MAP; Another Chance at Life; Data Points: Invaded Nation; Brief Points

Innovations: Working Weeds; April 2003; by Kathryn Brown; 3 Page(s)

A German company develops a way to peek into plant metabolism

Staking Claims: Razing the Tollbooths; April 2003; by Gary Stix; 1 Page(s)

A call for restricting patents on basic biomedical research

Skeptic: I, Clone; April 2003; by Michael Shermer; 1 Page(s)

The Three Laws of Cloning will protect clones and advance science

Solving the Solar Neutrino Problem; April 2003; by Arthur B. McDonald, Joshua R. Klein and David L. Wark; 10 Page(s)

The Sudbury Neutrino Observatory has solved a 30-year-old mystery by showing that neutrinos from the sun change species en route to the earth

Where a Pill Won't Reach; April 2003; by Robert Langer; 8 Page(s)

How to get drugs where they need to go

Mount Etna's Ferocious Future; April 2003; by Tom Pfeiffer; 8 Page(s)

Europe's biggest and most active volcano is growing more dangerous. Luckily, the transformation is happening slowly

A Conversation with James D. Watson; April 2003; by John Rennie; 4 Page(s)

The co-discoverer of DNA's double helix reflects on the molecular model that changed both science and society

Questioning the Oldest Signs of Life; April 2003; by Sarah Simpson; 8 Page(s)

In the past year scientists have been forced to reconsider how they identify life in the most ancient rocks on earth - and elsewhere in the solar system

The Grid: Computing without Bounds; April 2003; by Ian Foster; 8 Page(s)

By linking digital processors, storage systems and software on a global scale, grid technology is poised to transform computing from an individual and corporate activity into a general utility

The Lowdown on Ginkgo Biloba; April 2003; by Paul E. Gold, Larry Cahill and Gary L. Wenk, sidebar by Mark A. McDaniel, Steven F. Maier and Gilles; 6 Page(s)

This popular herbal supplement may slightly improve your memory, but you can get the same effect by eating a candy bar

Working Knowledge: Potent Patches; April 2003; by Mark Fischetti; 2 Page(s)

Transdermal drug delivery

Technicalities: Screen Writing; April 2003; by Mark Alpert; 3 Page(s)

The tablet PC is a high-tech tool for scribblers

Reviews: Was Light Faster in the Past?; April 2003; by Philip Morrison; 2 Page(s)

Faster Than the Speed of Light looks provocatively at the new cosmology. Also, The Editors Recommend

Puzzling Adventures: The Graph of Life; April 2003; by Dennis E. Shasha; 1 Page(s)

Graphing the origins of species

Anti Gravity: Truth in Advertising; April 2003; by Steve Mirsky; 1 Page(s)

There are burger joints, and then there are burgers and joints

Ask the Experts; April 2003; by Staff Editor; 1 Page(s)

What is the importance of this scientific discovery? Hey, what was that? Which month is cruelest?

Fuzzy Logic; April 2003; by Roz Chast; 1 Page(s)

Evolution of the Species