Feature

Tree Ring Studies Steadily Decrease Undated History

[Photograph]: Cosmic Rays Disrupt Atomic Hearts

Boys Demonstrate Ability to See Things Hidden by Screen

Front Matter

In Science Fields

Warning against New Baldness “Cures” Issued

Drawing Shows Man Rode Horse 5000 Years Ago

Helmets May Replace Caps for Sailors in Tropics

Hydrogen Atoms of Twice Usual Weight Are Discovered

Radio Waves Not Guilty of Upsetting Weather

New Anesthetic Found in Accordance with Prediction

Depression Does Not Justify Research Work Moratorium