Table of Contents

Random Walk

The Race for New Biofuels
by Frances H. Arnold
Building better bacteria to turn plants into fuel for your car.

Solar Fuel I: Rods and Stones
by Douglas L. Smith
The future of solar-power technology may lie within nanorods of silicon.

Solar Fuel II: The Quest for Catalysts
by Harry B. Gray
The sun could meet all our energy needs, if we could store its energy as chemical fuel.

From Solar Fuel Back to Electricity
by Marcus Woo
Cheaper and more efficient fuel cells are finding their way into our energy economy.

Books: Intuition by Allegra Goodman; The Drunkard's Walk by Leonard Mlodinow; Max Delbrück and the New Perception of Biology by Walter Shropshire, Jr.


Obituaries: Giuseppe Attardi, J. Kent Clark