Feature

Diet Protects Growing Teeth, Cleanliness Saves Old Ones

First Glances at New Books

Erratum: In Science Fields: “Feminist” Ducks Foist Family Cares on Others

Erratum: Vitamin A Concentrated in Halibut Liver Oil

Erratum: Ancient Earth of Mexico Reveals New Treasure Tomb

Erratum: New Kind of Atom Smashing Liberates Millions of Volts

Erratum: [Photograph]: Honoring a Founder

Erratum: In Science Fields: Sprouting of Drunken Seeds First Speeded, Then Delayed

New Vaccine Gives Immunity to American Typhus Fever

Hollow Steel Planks Form New Flooring

Stars and Planets Brighten Sky

Indians Ate Red Peppers Nearly a Thousand Years Ago