Feature

Need for Affection May Be Cause of Stomach Ulcers

New Device Takes Advertising out of Radio Programs

Blood, Not Nerves, Carries Tetanus Poison to Brain

Copper Cures Sickness of Florida Orange Trees

Diagram Classifies Radio Tubes

West African Negroes Have Thirteen Kinds of Marriage

Roots Grown Free from Tops of Plants

Nature Ramblings: Very Solemn Citizens

X-Ray Pictures Show How Opera Singer Produces Tones

Bison Blood Being Bred out of Wisent Hybrids

Aluminum Captures Invisible Starlight

Crack in Earth Indicated by Radioactive Water