Feature

Blue Eagle, Though Flattened, Is Very Plainly an Eagle

Gas Defends Metals against Corrosion Losses

Town Planning before Babylon Shown by Finds near Baghdad

Front Matter

Ultra-Short Radio Waves Sent around Curvature of Earth

[Photograph]: At First Meeting of President’s Board

Individual Needs Considered in Re-Employment Program

Physicist Reconciles Views of Matter and Electricity

Ozone Most Abundant Eight Miles above Earth

[Photograph]: They Still Whistle

Dead Seas Hoard Minute Amounts of “Heavy” Water

Idle Boilers Protected from Rust with Ammonia