Table of Contents

Random Walk

Next Exit 0.5 Million Kilometers
by Douglas L. Smith
A Caltech/JPL collaboration explores the "Interplanetary Superhighway."

Smoke Gets in Your Brain
by Henry Lester
How nicotine affects nerve cells may illuminate alcoholism and Parkinson's disease.

Countering Terrorism: The Role of Science and Technology
by Jesse L. (Jack) Beauchamp
A chemist (and pilot) discusses how lab techniques help make flying safer.

Genes, Aging, and the Future of Longevity
by Colin Rundel
A student paper from the Core 1 (science writing) course explains how worms, flies, and French centenarians are helping us understand aging.


Obituaries: Satish Dhawan; Jesse Greenstein; Wheeler North

Faculty File