Table of Contents

The Ocean and Climate: Observations from Space
by Lee-Lueng Fu
Since 1992, a satellite has been relaying data on the oceans' topography and circulation, and providing insight into such complexities of climate as global warming and last winter's heavy rains.

Report from a Small World
by Douglas L. Smith
Micromachining—the art of constructing gnat-sized mechanical devices using computer chipmaking technology—is becoming a big field in a small way.

The World of Ubiquitin
by Alexander Varshavsky
In 1976, scientists stumbled on a protein that's, well, ubiquitous. What this protein does, and why there's so much of it about, is slowly becoming clear.


Lab Notes: When One Hand Is Better Than Two



Random Walk