Feature

Camera and X-Rays Used to Locate Ulcers in Stomach

Uncle Sam’s Coast Surveys Speeded up by Airplane

Irish Immigrants Becoming Emigrants

New Projector Will Produce Eclipses of Sun on Demand

Magnificent Orion

In Science Fields

Homes of Ancient Egypt: “A Classic of Science”

Coal Dust Explosions Drive Motor for Power Plants

Same Parasite Infests Four Animal Groups

British Report Most Potent Form of Vitamin D Yet Known

Present Geyser Action Theory Needs Changing

Biting Birch Bark Designs Was Indians’ Lost Art