"Every one of us lives in a world all his own," philosophized Dr. Albert Francis Blakeslee in Philadelphia last week.
"Each of us reacts differently to the stimulus which we experience." To illustrate this familiar thesis Dr.
Blakeslee, director of the Carnegie Institution's station for experimental evolution on Long Island, produced 45 tablets of mannose, a sugar which is extracted from manna, a mildly cathartic gum secreted by certain Oriental trees. Mannose is notable for the wide variety of taste reactions which it causes. Dr. Blakeslee gave one tablet to each of the 45...
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