A lonely stretch of deserted waterfront, late at night, two men walking cautiously alone.

These men are doctors, and they're searching for the source of a threatened epidemic of bubonic plague.

The Black Death.

Science at work, searching for knowledge that will shape your world of the future.

Dramatic stories of science and industry exploring the unknown.

Today, the Science Magazine presents the dramatic story of the doctors whose job it is to

protect our nation against epidemics of contagious disease.

Today's story stars Melvin Douglas as Dr. Miller in The Bell's Toll.

The Greatest Enemies of Man are tiny organisms invisible to the naked eye, bacteria, and viruses.

They're simple names, but say them with respect.

My name's Dr. Miller.

You can say that any way you please.

The cities we live in are battlegrounds in a war that never ends. Our wounds are pain and fever, sores, and twisted bones.

Our enemies are bacteria and viruses.

Whose presence means disease.

Whose spread means epidemics.

Here you are, Doc.

Daily Health Reports, National State and good old New York City.

I just finished the city health report myself.

Anything worthwhile on the teletype, Mary? Not a thing, Dr. Miller. Well, whole countries as

quiet as a baby asleep. In fact, I'd say we ought to take the afternoon off and go to a ballgame.

Say, Doc, why don't we have epidemics in New York? Because you and I and thousands of other public

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