Feature

Experts Divide on X-Rays

Strange Radiation over Earth May Be Electrons

Large Dinosaur Leg Bone Presented to Smithsonian

Center for Research

Animal Tranquilizers

Sun Tan Pills Safe

New Machines and Gadgets

Prove Lightning Flashes Cause Radio “Whistlers”

Government Prepares to Aid Sports Fishermen

Wider Highways Needed

Report on U.S.S.R. Farms

Books of the Week