Feature

In Science Fields

Dawn Age Fossils Clue to Primate Past

Biblical Flying Saucers

[Photograph]: Largest Automatic Gun

Gene Stuff Is Virus-like

Talent Search Winners Visit Bureau of Standards

First A-Bomb Survivors Live “Life of Reilly”

False Wall Helps Polio Patients in Rocking Bed

Brain Chemistries Differ

Front Matter

New Penicillin Fights Both Boils and Typhoid

Keep Livers Alive for Hours, Probing Artery III