Feature

Anniversaries of Science

Jupiter’s Moons Face Planet

Back Matter

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

New Treatment for Cancer Uses Extract of Liver

Grass Cloth May Rival Cotton Goods

New Alloy Needed for Giant Telescope

Chemists Work on Ideal Fuel from Coal

Dyestuffs Used to Make Better Rubber

New Gland Extract Now Made for Commercial Use

Extracts from Brain Tissues Stop Bleeding

Best Food Dyes Made in America