Feature

Black Widow Spiders Killed by Alligator Lizards

Books of the Week

“Hams” Reach New High in Radio Frequency

Synthetic Oil Lubricates in Hot or Cold Weather

Bright New Comet

Rainmaker Aids Landings

Ram Jet, Navy’s Newest

Front Matter

New Machines and Gadgets

New Molecular Bands on Jupiter and Venus

Removing Brain Tumor Restores Sight

Baby Food to Be Kept in Freezer, Not a Can