
The SciencesNovember 15, 1919
Eternal Youth as a Scientific Theory
A Discussion of the Place Which Voronoff's Thesis Occupies in the General Field of Human Interest

Eternal Youth as a Scientific Theory
A Discussion of the Place Which Voronoff's Thesis Occupies in the General Field of Human Interest

How the Kinematograph Facilitates the Study of Tissue
Affording Once Undreamed of Opportunities for Detecting Rapid Embryonic Changes

What is Old Age?
Carrel's Research on the Mechanism of Physical Growth

Discovery of the Infantile Paralysis Germ

The "Immortality" of Tissues
Its Bearing on the Study of Old Age

The New Era of Blood-transfusion
A Triumph of Surgical Skill