Medicine: Minutae and Magnificae

The American Association for the Advancement of Science, the great all- inclusive scientific society of the Western hemisphere, gives an annual prize of $1,000 for what it deems an outstanding scientific achievement. This year, the prize has been divided.

Half of it was given to Dr. L. R. Cleveland of Johns Hopkins University for research into the physiology of protozoa inhabiting the digestive tracts of termites and other animals. These protozoa are far from being the smallest animals known, but the layman can get an idea of their size from the fact that they dwell...

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