Feature

Artist Paints Spectra of Light in Upper Atmosphere

Caterpillars Hear Sounds Audible to Man

London’s Main Street of First Century Found

Secrets of Energy Source Sought in Chlorophyll Study

Scientists Measure Size of Genes without Seeing Them

Airship Engineers Design New Gasoline Tank Truck

Serum-Virus Mixture Protects from Paralysis

Good Health of Old Year to Continue into 1933

70-Year Life Expectancy Foreseen for Americans

People Learn Faster When Not Punished for Mistakes

Epicenter of Alaskan Quake Located in Mountains

[Photograph]: The Horse That Ran like a Dog