Feature

Reroute Salmon by Smell

Sun to Eyes as Jet Engine Is to Ears

Atom Smasher Ups Energy Hundred Times

Books of the Week

Columns of Hot Gases Spread Forest Fires

“Thrust-Spoiler” Makes Jet Landings Safer

Nature Ramblings: Dinosaurs

Motive Needed to Make Men Try to Lose Weight

Polio Season Brings “Orphan” Viruses

A-Blasts and Weather

New Machines and Gadgets

Front Matter