Feature

Time Signals Help in Setting International Boundaries

New Varieties of Wheat Brought to U. S. from Russia

Nature Ramblings: Liquidambar

Smoke Blanket Makes the City Warmer

First Glances at New Books

Front Matter

Indian Scientist Awarded Nobel Physics Prize

Honored for Research on Chemistry of Blood

Pilot Can Now Land His Plane without Seeing the Field

Rotary Milking Machine Brings Factory Methods to Farm

Car Sickness Less Common

What Color Are Your Eyes?: “A Classic of Science”