Reindeer as a Source of Food

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

Camera Shots of Scientific Events, August 1929

Diatoms

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

Giant Inhabitants of Our Continent, more than 100,000,000 Years Ago

The 'Old Rubber Cow:' The Blimp

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

What the World Owes to South Africa

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

Novel Features of the O'Shaughnessy Dam

Inspection Galleries and Pre-cast Concrete Sections in Large Dam

Our Crop-Destroying Insect Pests

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

What is Wrong with Men's Clothing

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...

Catering for the Denizens of the "Zoo"

Fungi that Kill

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

The Truth About Snake Stories*

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

The Camel's Hump*

In It He Carries An Auxiliary Food Supply

The Puzzle of the Major Planets

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

Shooting Wild Life With a 'Movie' Camera

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

Learning to Fly From the Ground up

Students in Flying School Study Design and Construction in Airplane Factory

Off with the Old Antlers and on with the New

Foiling the Burglar—II

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

More Light on Sumerian Culture

The Loon Poses for the Camera

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

Pioneering for a Cape to Cairo Highway

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

Last Call for Light Airplane Design Contest

The Home of the Honey Bees

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

The Amateur Astronomer, August 1929