
New Chip off the Old Block
Can DNA microprobes do for genetics what microprocessors did for computing?
W. Wayt Gibbs is a contributing editor for Scientific American based in Seattle. He also works as a scientific editor at Intellectual Ventures.

New Chip off the Old Block
Can DNA microprobes do for genetics what microprocessors did for computing?

What Are Obstacles to Ideal Care?

Interview with Rudolph L. Leibel
Associate Professor and co-director, Rockefeller University Laboratory of Human Behavior and Metabolism

One Small Step
The next big advance in chip design arrives one year early

Gaining on Fat

Ultrasound's New Phase
A major advance yields deeper, clearer views of the body

Mind Readings
Researchers can now predict what a monkey will draw—

Star-Hopping by the Outhouse

Smart Materials
They will soon be in everything from computers to concrete bridges

On Permanent Displays
Low-power, low-cost liquid crystals move to market

Systematic Errors
A new law aims to prevent software meltdown in federal agencies

Make a Muscle

Battling the Enemy Within
A billion-dollar fiasco is just the tip of the military's software problems

Tough Stuff
Ceramic composites may get stronger--and cheaper

A New Way to Spell Relief: V-e-n-o-m
A toxin from killer sea snails promises a better painkiller

Playing Slartibartfast with Fractals

Light Over Matter

Artificial Art

Free-for-All Flights
The FAA plans a revolution in air-traffic control

Some like It Hot
Thriving tunicates may help clear the air of excess CO2

Great Expectations

Sewage Treatment Plants
Algae offer a cheaper way to clean up wastewater

Soft Wear

Thinking Globally, Acting Universally