Feature

A Scientific Method of Weight Reduction

Physicists Now Sure Vibrations Occur in Heart of Atom

Principals in Dayton Case Remote from Repeal

Photographic Type-Setting Promised for Future

Male Sex Hormone Purified in Vacuum

Says Tennessee Will Repeal Anti-Evolution Law

Front Matter

Children Learn without Taking Special Training

Einstein Finds past Events Not Knowable with Certainty

Britons of the Stone Age Had Breakfast in Bed

In Science Fields

Discovery of Triceratops: “A Classic of Science”