Feature

Front Matter

Relief for Angina Pectoris, “Most Painful” Disease

Rare Meteor Spectrum Obtained by Astronomer

Synthetic Production of Musk and Civet Achieved

Great Hydrogen Outburst on Sun Preceded Radio Fading

Breathing Exercises Help Sufferers from Asthma

Lightest Solid Ever Found Made at Bartol Laboratories

Continued Good Health, More Births in U. S.

Seek Prehistoric Land Link between Old World and New

Cosmic Rays Promise to Test Needed Super-Einstein Theory

One of Birth’s Mysteries Solved by Hormone Study

When Did Early Man First Reach America’s Shores?