Feature

Observations of Sunspot Variation: “A Classic of Science”

Pot-Hunters Damage Prehistoric Pacific Port

Goitres Occur in Epidemics, Mayo Clinic Study Suggests

[Photograph]: Concrete Cooling Towers America Does Not Need

House Built without Regard for Precedent

Speeding Autos Slow Flow of Traffic

Fungus Beautifies Self with Fur-Trimmed Edge

Briton Suggests That Speed of Light May Be Decreasing

Front Matter

First Glances at New Books

Prehistoric Remains to Be Sought by Engineers

Four Separate Spheres Make up Single Star in Great Bear