Feature

Unknown Almost Infinite, Measure of Progress Shows

Star Velocities in the Line of Sight: “A Classic of Science”

Electric Refrigerators Credited with Reducing Smallpox

New Style Mattress on Mississippi River Bed

Incas Anticipated Moderns in Frost-Fighting Method

Eternal Youth for Bread Promised in Experiments

Lokombitsika Suggested as Cheaper Rival to Shellac

Carbon Dioxide Called Normal Stimulant of Breathing Center

Nature Ramblings: Solar Flight Dispatching

Polar Regions May Warm in Recovery from Last Ice Age

Blood Gives No Clue to Tooth Decay in Pregnancy

First Glances at New Books