Feature

Hot Waves Bring Northwest Grasshopper Invasion Menace

No Ice in North Atlantic; Ice Charts Not Published

New Type of Prehistoric Indians Found in Texas

New Moving Pictures in Colors Use Tiny Colored Squares

The Gastric Juice: “A Classic of Science”

In Science Fields

Jordan River, Ideal for Power, Is Made to Yield Electricity

1932 Total Eclipse Will Be Attraction for Vacationists

New Process Cheapens Ultraviolet Glass

Seven Times Rebuilt Pyramid Explored at Tenayuca, Mexico

Nature Ramblings: American Eagles

Magnetism Reveals Differences in Steel