Feature

Front Matter

New Inventions Add Greatly to Safety of the Aviator

100,000-Mile Sunspot Crosses Face of Sun

New Books on Science

[Photograph]: Putting on the Pinch

[Photograph]: Another Name and No Perfume

[Photograph]: Autumnal Insect Ogre

Front Matter

Maya-like Relics Have Been Found in Oklahoma Mounds

Treasure Island Site to Become Great Air Base

Dogs Show Wide Differences in Problem-Solving Abilities

Medicine-Making, Research Now March Side by Side