Feature

Front Matter

Variations in Light Speed Not Accepted by Scientists

More War in World as Civilization Advances

95-Room House Unearthed in Lost City by CCC Workers

New Protein-Digesting Enzyme Found in Pancreas

Unemployed Engineers Begin Aerial Mapping

Opposite Sex Effects from Pituitary Hormones

More Carotene Found in Bacteria than in Carrots

Humans, Not Animals, Main Actors in Negro Folk-Lore

Polarized Light Aids Observations at Sea

Poisonous Plant Explains Mysterious Bee Disease

Erratum: New York to Have Third Planetarium