Feature

Comet Discovery Brings Fame to Melon Patch Worker

Dental Decay May Depend on Physical Quality of Diet

Strange Whirlpool Believed to Be Only Play of Tides

Front Matter

Hookworm, Foe of Progress, Still Burdens Many in South

Oysters Open up When Weather Warms

Atoms Are Wanderers Even in Most Solid Metal

Father Gives Baby Malaria by Blood Transfusion

Germs Lose and Gain Visibility by Changing Their Diet

In Science Fields

Artificial Insanity

Laughing Weakness Treated with Potent Chinese Drug