Feature

“Flying Spray Tank” Tested for Crop Control

Nerve Gases a Threat

New Drug Successful for Morphine Addicts

Picking by Machine Cheaper than Hand Labor

Bread Basket Endangered

Each Raindrop a Bikini

Stoneflies Live and Grow in Freezing Temperatures

Patent New Method to Produce Enzymes

Mirror Betters Telescopes

Outlook for 1951

Scientists Face Dilemma

Pounding Stilled by Music