Feature

In Science Fields

Cosmic Rays May Have Local Origin in Our Own Galaxy

Keep Stocking Diaries; Life Stories of 253 Pairs

Chances Good for Finding Chemical Cure for Cancer

Stock-Poisoning Selenium Is Undesired Gift of Volcanoes

Nerve Transmission Both Electrical and Chemical

To Bring ‘Em Back Alive Is Fun for You, Too

Calves Found to Gain Weight on “Indigestible” Nitrogen

Phosphorus Linked to One of World’s Deadliest Diseases

Front Matter

Lives to Be Saved, Suffering Reduced by 10-Year Program

[Photograph]: Ice-Walled Spring below Muldrow Glacier