Feature

[Photograph]: The “Thunder-Beast” of the Ancient West

In Science Fields

Heat Wave Aids Small Boat to Sail “Impossible” Arctic Seas

Front Matter

[Photograph]: Mississippi Floods a Lawn

Hard Times Disease Routed Even during Depression

Conservation of Energy Law Declared Unnecessary

Scientists Differ on Role of Cigarette Tar in Cancer

Ten-Year Sunspot Cycles Found in “Dearth” Periods

Diminishing Moon to Eclipse Bright Star Regulus

Intoxicating Drink Cannot Be Scientifically Defined Now

Epinephrin from the Suprarenal Capsule: “A Classic of Science”