Feature

[Photograph]: The Size of the Huge Dornier DO-X

First Glances at New Books

Waste Natural Gas Used to Increase Oil Well Yield

Gorgeous Caves of Loltun Invite Further Exploration in Yucatan

Guayule Produces Rubber Only When Its Life Is Hard

Kepler’s Memory Honored at Tercentenary of Death

New Orleans Earthquake Located by Old Method

Kepler’s First Discovery: “A Classic of Science”

Given Airplane, Ancestors of Lindbergh Would Have Flown

Leprosy Is Being Attacked by Chemical Warfare

It’s a Happy World, Think 88 per Cent of the People

Nature Ramblings: Dormant Butterflies