Feature

Tellurium Added to Lead Protects against Acid

Calcium Fails to Stop Cancer; Pepsin Index to Ulcer State

Meteoric Origin of Carolina “Bays” Disputed

Spring Found to Be Season of Least Growth in Children

[Illustration]: Earthquake Map

Common Box Camera Used with Microscope

“Word Swallowing” Links Indians of Two Americas

Beryllium Atoms Radioactive; New Helium Variety Predicted

Ridding Beard of Roughness Saved Wisconsin Barley Crop

Earth’s Many Depressions Were Blessings in Disguise

New Milk-Corn Food May Get Trial in White House

Constitution of Protein: “A Classic of Science”