Feature

[Photograph]: Classes in the Air

Dr. Frank R. Lillie Heads Both Academy and N. R. C.

Back Matter

Element 93 Discovery Is Now Confirmed by American

“Laughing Gas” Whipped Cream Spurts from Syphon

East Less Emotional than West in Trying Situation

Front Matter

Four Planets Join Spring Stars

Sequel to a Scientific Detective Adventure

Rains in Southwest Give Hope for Future

Find Drug That Sobers up Dogs in Half the Usual Time

In Science Fields