Table of Contents

Random Walk

The Tangled Web: Unraveling the Molecular Basis for Communication in the Brain
by Linda Hsieh-Wilson
Nerve cells send messages to one another using an astonishing variety of molecules. A Caltech chemist is looking at some of them.

Student Papers: Immortality Under the Microscope and The Promise of Portable MRI
E&S again presents two essays written by undergraduates for the Core 1 (Science Writing) requirement.

Vegas Winners
by John Trijonis
A Caltech alumnus, whose dual careers have blended science and gambling, reveals some (but not all) tricks of the trade.

Obituaries: Glen Cass; Samuel Epstein

Faculty File