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Bowing

Dyestuffs Used to Make Better Rubber

Bone Marrow Is Good Blood Tonic

Extracts from Brain Tissues Stop Bleeding

Vitamin Feeding Makes Better Chickens

Chemists Work on Ideal Fuel from Coal

Iodine from Seaweed Makes Excellent Medicine

New Treatment for Cancer Uses Extract of Liver

Chemist Makes New Synthetic Resin

Best Food Dyes Made in America

Ancient Mayas Studied Earthquakes; Sought Land Free from Them for Home