Feature

Weather Cycles Make Possible 25-Year Rainfall Predictions

Atoms Combine in Sun’s Atmosphere

Front Matter

Frequent Revolutions Chief Cause of Poor Health

Many Old People Work Faster than Average Adults

[Photograph]: Concrete Cooling Towers America Does Not Need

First Glances at New Books

Briton Suggests That Speed of Light May Be Decreasing

Observations of Sunspot Variation: “A Classic of Science”

Pot-Hunters Damage Prehistoric Pacific Port

Four Separate Spheres Make up Single Star in Great Bear

Chemical Music and Its Meaning