Feature

New Type of Prehistoric Indians Found in Texas

New Process Cheapens Ultraviolet Glass

New Science Ship Will Work across Ocean

Seven Times Rebuilt Pyramid Explored at Tenayuca, Mexico

Elusive Aurora Is Duplicated in Evacuated Glass Tube

Lack of Proper Food May Be Cause of Nearsightedness

Toy Hammer Tests Musical Talents of Young Children

Atmosphere Said to Be Very Hot Fifty Miles above Earth

Ice Hung in Baskets Melts More Slowly

Ship Uniformity Desired for Simplified Harbors

Nature Ramblings: American Eagles

No Ice in North Atlantic; Ice Charts Not Published