Table of Contents

In This Issue

How Does the Brain Learn? A Molecular View
by Mary Kennedy
An intriguing biochemical switch mechanism in synapses may play a part in controlling learning and memory.

Minorities in California
As immigration changes the composition of California's population, how will it affect political and economic trends?

Commencement 1986: Arnold Beckman
A 1928 grad passes along a few suggestions to Caltech's newest graduating class.

Simmons and the Strain Gage
The invention of a tiny device 50 years ago precipitated an engineering revolution and a precise patent policy.

Departments

Research in Progress
Guessing a Hazard
Tracking Stellar Reactions

Retirements 1986

Random Walk