Feature

In Science Fields

Industries Asked to Probe German Technology

Waterproof Felt Hats Retain Shape and Size

Carrier-Based Planes Helped to Steer Vessels

Safer Landings

Books of the Week

Atomic Scientists among Guggenheim Winners

National Academy Elects

[Photograph]: Spring Banners

Front Matter

Nature Ramblings: Insect Dietary

Synthetic Rubber Theory