Feature

Quick-Molded Plastics

A.M.A. Health Plan Called Inadequate

Steps toward Synthesis of Penicillin Announced

Keep America in Lead

In Science Fields

Science Previews

[Photograph]: Medicine Advances

Nature Ramblings: Winter Drought

Expensive Perfume Is Not Preferred to Cheap Kind

America’s Fastest Plane

Pineapples Flower Full Year Ahead of Time

New Machines and Gadgets