Feature

Long Island Dootor Has Cure for Cramp

Presidential Address at American Association Calls for Conservation

Contrasts Arguments of Darwin and Bryan

Insect Sounds Have No Meaning

Extracts Strengthen Impoverished Blood

Machine Tests Mind and Records Result

New Danish Tuberculosis Treatment to Be Tested by Government

New Mechanical Larynx Helps Dumb to Speak

Anarchy in the Human Body

“Rotor” Ship Operates on Baseball Principle

Plan to Use Airplanes in Piloting Steamers

Washington to Be Magnet for Scientists New Year’s Week