The Life-Study of Patients
The Biographic and Multiple Biographic Method of Discovering Medical Truth
Features
Influence of Radio-Active Earth on Plant Growth—II
Facts Indicated by Practical Experiments
Eugenics and War
What Everyone should know about Cancer
Suggestions for Avoiding this Very Prevalent Disease
Salving Sunken Submarines
Provision Made by Foreign Countries Anticipating Accidents
The use and Care of a Watch
A Record of Achievement—II
The Contribution of the Chemist to the Industrial Development of the United States
The Liberty Bell and Diseases of Metals
How Re-Melting, Unscientific Methods and Mixtures Have Injured the Relic
The Lincoln Beachey Monoplane
Details of a Composite Design that Failed from Weakness
Gyrostats and their Lessons
Studies of Various Forms of Apparatus
