Feature

Successful “Dirt” Roads Now Made with Cement

Photochemistry Restores Beautiful Ancient Gloss

Training in Reading Urged for High Schools

Chinch Bugs Stopped by Paper Barriers

First Glances at New Books

Mexican Ally Found to Fight Invader

French Emigre Scientists Plan Journal in London

“Bottle Bacillus” Remains Unconvicted as Dandruff Cause

New Safety for Babies

Power to Kill Bacteria Discovered in Molds

Synthetics Recommended for Making War Materials

Pain Felt at Same Level of Stimulus by All Persons