Feature

Russians Explore Caucasus Hills

New Government Charts Indicate Diet Requirements

Age of Modern Man in Doubt with Failure to Find “Cradle”

Western Dust Reaches Ocean for Second Time

First Vision

Temperature and Humidity Recorded by Same Instrument

Scientists May Be Searching Vainly for Negative Proton

[Photograph]: Could You Name This Bird?

In Science Fields

First Glances at New Books

Moscow Subway Now Ready for Opening

Chinese Paper Windows Admit More Ultraviolet