Sooner or later, whatever the earth produces it wrecks and reclaims. The wrecking job is done by an immense host of microorganisms. So it occurred to Dr. Rene Jules Dubos of the Rockefeller Institute that there might exist in the earth powerful microorganisms capable of attacking disease germs that prey on humanity.
Several years ago Dr. Dubos, born in France, Ph.D. of Rutgers, set himself to find out. His method was essentially simple. He got a great many soil samples, mixed them with various germ cultures. If there was any organism in the soil...
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