Scientific American Magazine

Vast Pasturages in Alaska Can Support Five Million Reindeer to Supplement Our Decreasing Cattle Supply

These Lowly Microscopic Forms of Life Provide a Fascinating Hobby for the Amateur Scientist, but Their Industrial Uses give them Immense Economic Significance

Non-rigid Scouting and Observation Dirigible of War-time Is Slow but Sure; It Has Great Commercial Possibilities

Not Only the Fruits and Grains and Flowering Plants, But the Birds and the Mammals, Including Man Himself, Are Believed to Have Evolved in South Africa

Inspection Galleries and Pre-cast Concrete Sections in Large Dam

Man Struggle With the Insects Becomes Increasingly Intense as We Are Attacked by More Formidable Foes

Women's Clothing--Light Thin, Ventilated, Hygienic--Has Been Rationalized. Men Still Wear Winter Clothing in Summer, and their Clothing Reduces their Efficiency all the Time. A Revision is Due

Certain Fungus Forms of Life Attack and Destroy House Flies, Mosquitoes, Caterpillars, Butterflies, and Fishes

Fish Stories Pale While Snake Stories Hold the Fort, for There Is Usually Not a Word of Truth in Them

In It He Carries An Auxiliary Food Supply

Jupiter, Saturn, Uranus, and Neptune, Formerly Thought to be Hot, Are Now Suspected of Being Extremely Frigid, With Oceans Frozen Solid Thousands of Miles in Depth

Goat Costumes and Improvised "Blinds" Enable Scientists to Obtain Interesting Records of Animals in Their Native Haunts

Students in Flying School Study Design and Construction in Airplane Factory

The Time Element Versus the Burglar. A Continual Battle of Keen Minds

Photographs Taken From a Blind at Close Range Reveal the Home Life of this Timid American Water Fowl

A Young Englishman, Driving an American Car, Demonstrates the Feasibility of Establishing a Motor Route Across Africa

Nature's Nectar Collectors Exhibit Rare Skill in Constructing Their Waxen Combs