Feature

Front Matter

Predict New Comet Will Become Visible in July

Transport in Arctic Sea Now a Commonplace Affair

[Photograph]: Giant Equipment

Doctors Jewett and Kettering Honored with Franklin Medal

Warmth Necessary for Working of Body’s Blood Factory

Discovery regarding Snails Saves Many Human Lives

Identical Twins Have Same Patterns of Mental Activity

Chinchbug and Hessian Fly Menacing, Hoppers Fewer

Develops Ray Receiver for Signaling with Invisible Rays

In Science Fields

To Hunt Oldest Americans at Doorstep of Continent