Feature

Earth’s Core Metallic Sponge, Suggests Fordham Seismologist

Goes to Brazilian Tropics to Shock Electric Eels

Nature Ramblings: Stones into Bread

Man-MadeRadioactiveSodium Used to Treat Human Disease

First Glances at New Books

Front Matter

Population Centers Should Be Moved from Flood Zones

Real Flood Cause Lay off the Southeast Coast

Flood Storm Carried off 300,000,000 Tons of Soil

Half-Hearted Measures Won’t Succeed for Flood Control

[Photograph]: Too Much Even for Mudlarks

Doctors Advise Iodine to Make Water Safe