Feature

Front Matter

Leningrad Institute Celebrates 50th Anniversary

Razor Blade That Lasts Six Months Shown

First Vision

Scientist Makes Study of “Seven Ages of a Fossil”

[Photograph]: Could You Name This Bird?

Science Fights Crime with New Inventions

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

Brightness of Meteors Studied by Harvard

Masculine Hair Bristling Due to Skin Thickness

Russians Explore Caucasus Hills

New Government Charts Indicate Diet Requirements