Feature

Rare South African Mammal Comes to Washington Zoo

Higher Speeds for Airplanes and Greater Safety Foreseen

Mercury Makes Brief Visit

In Science Fields

Zodiacal Light Partly Due to Dust among the Asteroids

Meteors No Menace to Travel in the Upper Atmosphere

Nature Ramblings: Both Dove and Eagle

First Glances at New Books

Peoples Are Better the Farther They Migrate

Porous Hose Useful in Crop Irrigation

Plant Life Not Harmed by California Earthquake

Regular Job Is Best Tuberculosis Insurance