Feature

Fertility Vitamin Lack May Be Cancer Cause

Einstein Invents Automatic Camera with “Electric Eye”

“Nature” Urges Protest against Science Use in War

In Science Fields

Nature Ramblings: Necessary Insects

Growth Speeding by Thymus May Be Due to Glutathione

Story of Human Error Is Told by Scientists

Blackheads and Pimples Infections Not Due to Diet

“Research Parade” Is Preview of Science’s Aid to Industry

Front Matter

Valuable Mosaics Found at Antioch-on-the-Orontes

Bureau of Standards Builds Testing Unit for Scales