The psychological lessons of war, gathered by a committee of the National Research Council, were available last week in Psychology for the Armed Services (Infantry Journal, $3). Some of them turned out to be more or less useful tips for peacetime behavior. Samples:
¶ To hear conversation despite a loud background noise (e.g., of guns or machinery), put fingers in ears or wear earplugs.
¶ To see in the dark, wear special red glasses for a while beforehand. Wearing a black patch over one eye and then shifting it to the other eye just before stepping into darkness works pretty...
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