Feature

Beams of Neutrons Produced by Hole through Water Wall

Leading Science Journals Pledge Aid to Europe’s War

Can Civilization Survive Another World War?

Difference in Cancer Cells Confirmed by Americans

Front Matter

Nature Ramblings: Bats as Pets

Thin Films “Guinea Pigs” in Study of Immunity

[Photograph]: Primitive

“Baby” Volcano Nestles at Its Mother’s Feet

Rumania Has Grain, Wood, Richest Oil Fields in Europe

Astronomers Expect Shower of Meteors on October 9-10

Bureau of Standards Has Completed Steam Tables