Table of Contents

Random Walk

The Inside of Earth: Deep-Earth Science from the Top Down
by Don L. Anderson
Tracking seismic-wave velocities shows where our planet is hot and cold inside.

The Machine Stares Back
by Douglas L. Smith
We get most of our input visually; computers don't. We're trying to change that.

The Search for Extraterrestrial Life
by Kenneth H. Nealson
The most likely candidates are rugged bacteria that love extreme environments.

Unnatural Selection: Molecular Sex for Fun and Profit
by Frances H. Arnold
Protein evolution in the lab may revolutionize the chemicals industry.



Faculty File