Feature

Blotting Paper Tells Water in Pure Alcohol

Nature Ramblings: Humming-Bird

Lightning’s Thunder Stolen

New Agricultural Airplane

Child “Dope” Addicts

Death Barrier for Lampreys

Books of the Week

Cortisone Made from Yams

All-Canadian Jet Fighter Readied for Flight Test

New Machines and Gadgets

Front Matter

New Stomachs for Patients