Feature

New Determination Sets Greatest Solar Heat

Frogs Reared in Dye Become Albinos

Iron Blade Found Millenium Older than Iron Age

Map Shows Sixty Dialects of Mexico

Little Tragedies of Childhood

In Science Fields

Artificial Blood in Dogs Shows Red Cells Guard Hemoglobin

Crop Limitation Saved Colonial Tobacco Planters

Construction Begun on 80-Inch Texas Telescope

Consider the Size of the Smallest Living Things

Roosevelt Appoints Science Advisory Board

Decade’s White Plague War Adds Year to Average Life