Volume 158, Issue 1
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Features
What Can We Do About Our Rare and Vanishing Species?
Lessons Have Been Taught by the Disappearance of the Passenger Pigeon and Heath Hen, A Greater Public Interest and Support Needed
In, Out, Through New York
Three-Part Tunnel System, New Jersey to Long Island, Under Hudson River, Manhattan, East River, Outstanding Engineering Features
Ra-Mose and Hat-Nufer, January 1938
Photographing Traffic From the Air
A Plastic Born
The Nearest Stars
Headache Headquarters
Mellon Institute, Sponsored Research Cures Industrial Headaches, Solves Problems, Develops New Products, Processes, 700 Patents
Floated on Mud
Sailing Vessel, Now an Aquarium, Was Raised to a Permanent Location by Mud, Nine Feet Up, Cofferdam Used, Sand as a Foundation
What to do About Dust?
Industrial Dust Hazards, Little Known of Them, Foundation to Study Ways, Means of Combating, Medical, Legal, Engineering Aspects
Chemotherapy and Prontosil
Uses and Abuses of the New Drug, Valuable, but to Be Used with Caution, Theory of Chemotherapy, Hope for Other Drugs in Research on Same Theory