Feature

  1. Emotions Cause Disease

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  2. Spectrum Test for Color Blindness

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  3. Old Chaldaean Gods Not Yet Dead

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  4. Inimitable Sense of Humor…

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  5. Telegrams from Lindbergh Plane

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  6. Urges Nature Study

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  7. Bad Teeth Common Ill

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  8. Did Earliest Americans Hunt Sloth?

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  9. European Pine-Shoot Moth in Florida

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  10. Makes Work for Heart

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  11. First Glances at New Books

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  12. Urges Dental Institute

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