Science, medicine, education, social study, the arts, the humanities, Herbert Hoover and Franklin Roosevelt took their turns on the stage last week in Philadelphia as the University of Pennsylvania celebrated its 200th birthday (see p. 43). High lights in science:
"Couples in a Dance." Well known to every first-year biology student, the paramecium is a one-celled, slipper-shaped little animal which lives in ponds and puddles. In the one-celled kingdom the paramecium is a giant, just visible to a good, sharp, naked eye. For three years Dr. Herbert Spencer Jennings, distinguished University of California...
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