Feature

1936, Square of 44, Last “Square” Year Until 2025

Photographs of the Voice Take Mystery from Singing

In Science Fields

Mayas’ Round Tower Restored, but Its Riddle Still Unsolved

New Hog-Cholera Vaccine Promises Better Results

First Glances at New Books

“Alloy” Oil Promises Changes in Motoring Upkeep Costs

Nature Ramblings: Hairy Monsters

Stone Age Paintings Show Hunters, Warriors, Game

Atoms about You Are Exploding One by One

Deep-Seated Earthquake in Northern Argentina

New Aviation Radio Receives 2 Signals on Same Frequency