Feature

Erratum: Milk: Its Whence and Whither Discussed at Chemists’ Meeting

Twelve Kinds of Snow Recognized by Science

Russia Has More Ills of Youth, U. S. More Senility

Erratum: Radioactive Potassium Is New ‘Clock’ to Check Age of Earth

Erratum: Delicate Surgical Operation Enables the Deaf to Hear

Propaganda Analysis May Protect You against It

Front Matter

Man Got up on His Legs before He Could Think

Idea of Particles Discarded as Unnecessary for Physics

Volume Information

Japanese Living in Brazil Are Raising Eastern Crops

[Illustration]: Pour Noel