Table of Contents

Random Walk

Tales of a Travelin' Cell
by Douglas L. Smith
The cells of the neural crest lead a life that might make Huck Finn envious. They wander through the embryo before growing up, and in the process help make us vertebrates.

Planetary Phrenology: The Lumps and Bumps of the Earth
by Michael Kobrick
Around and around and around the world in a lot less than 80 days—the Shuttle Radar Topography Mission is mapping Earth with unprecedented accuracy.


Obituaries: Lyman G. Bonner; Norman R. Davidson; John R. Pierce

Faculty File