Feature

Butter Analysis Method Makes Dirt Detection Easy

Announces Altar Find Solving Great Monte Alban Mystery

High Fever Kills Cancer Cells but Is Not a Cure

Front Matter

Psychiatrists of 30 Nations Issue Warning against War

[Photograph]: From a Great Height

Human Influenza Virus Grown Artificially in Glass

Electric Lamp Lighted without the Use of Wires

Super-Hard Glass Made in Sun Furnace

New Books on Science

[Photograph]: New Astronomical Discovery

[Photograph]: Streamlined Train