Feature

Giant Variable Stars Vary Entirely by Laws of Chance

First Glances at New Books

Front Matter

Super-Nova Is 500,000,000 Times Brighter than Sun

Eskimo-Zulu Marriage Produces Unique Offspring

GiantNewAtom-SmasherUses 2,700,000 Volt Potential

Mushrooms Grown in Air-Conditioned Houses

Milk: Its Whence and Whither Discussed at Chemists’ Meeting

[Photograph]: Kin of Mountain Goat and Chamois

Lighter Cars, Longer Mileage, Is Chemists’ Vision of Future

In Science Fields

Machine Builds Terraces without Destroying Sod