Feature

Colchicine Treatment Produces Striking New Flower Varieties

Food Made without Sun and without Chlorophyll

Alaskan Defense Can Be Learned from Finland

Fate of 60,000,000 Natives Hangs on Belgian and Dutch

Nature Ramblings: Living Lanterns

Americas Should Take Lead in Assuring World Peace

Students Take Subjects but Do Subjects “Take”?

Front Matter

What about Atomic Power? Facts and Fancy Separated

Will Atomic Power Release Come as Gigantic Explosion?

Excerpts from Address by President Roosevelt

Greenland’s Plight Spurs Red Cross to Send Scout