Feature

Cannot Know Universe’s Shape without More Observations

[Photograph]: New Weapon against Cancer

Entire Universe Still Young, Little Older than Earth Itself

Booklists of the A. A. A. S.

New Long-Time Clock Is Rotation of Milky-Way

Modern Diet Blamed for Widespread Tooth Decay

Broken Nose Gives Piquant Look to Dignified Venus

In Science Fields

Early Steps in Photography: “A Classic of Science”

Woman’s Face More “Toothy” than Man’s

Chinese Children Take Tests in New Peiping Laboratory

Nature Ramblings: Fine Flowers: Fine Tree