Feature

Paradoxes of the Skies

New Process Cheapens Ultraviolet Glass

Atmosphere Said to Be Very Hot Fifty Miles above Earth

In Science Fields

The Gastric Juice: “A Classic of Science”

Ice Hung in Baskets Melts More Slowly

New Moving Pictures in Colors Use Tiny Colored Squares

Lack of Proper Food May Be Cause of Nearsightedness

Toy Hammer Tests Musical Talents of Young Children

Ship Uniformity Desired for Simplified Harbors

Elusive Aurora Is Duplicated in Evacuated Glass Tube

New Science Ship Will Work across Ocean