Feature

No More Straight Furrows

Artificial Lava Currents Show What Happens in Earth

First Glances at New Books

Front Matter

New Pressures Make Ice Hotter than Boiling Water

Expanding Universe May Be Just Scientific Imagination

Vitamin A Found to Aid in Formation of Visual Purple

Feeble-Minded Girl Paints “Stone Age Art”

Pituitary Gland Makes Skin Grow to Fit Body

Finding New Lung Function Solves Human Blood Puzzle

Hot Stars Provide New Evidence for Einstein

Find Highway for Germs along Tongue into Throat