Table of Contents

In This Issue

Energy Conservation: Will It Work?
by Lester Lees
What are the implications of energy-conservation strategies in the drive towards energy self-sufficiency?

The Limits of Science
by Bruce Murray
In science, only reproducible, or at least recurrent, observations can be dealt with rigorously. How, then, can scientists attest purported phenomena such as ESP, UFO's, or religious miracles?

What Makes Caltech Tick?
by Nancy Beakel
Whether we want it or not, we are a family involved in intellectual and personal development for all our members.

The Emergence of Intelligence in the Universe
by Sir Fred Hoyle
The question is—On what fraction of planets in how many millions of cases can we expect not just life, but intelligence, to emerge?

Speaking Of . . .

Riding Her Hobbyhorse

Letters