Feature

Mexican Fossil Find Adds New Time Evidence

[Photograph]: Pilot’s Anxiety Checked

Top of World Rotates

Skewers, Weights Help Stove-in Chests Breathe

In Science Fields

Security System Harmful

Pinpoint Smog Sources

Post-Cancer “Milk-Arm” Relieved by Operation

Books of the Week

Nature Ramblings: Annual Rings

Radios May Fail in Jets Because of Engine Scream

New Machines and Gadgets