Feature

Floating Lands Called Poor Explanation of Ice Ages

Excavations Shed Light on Story of Jewish Exile

Lack of Research Weakens New Naval Construction

Universe Began Expanding Few Billion Years Ago

Nature Ramblings: Pokeberry

“Research Tithes” Would Insure Benefits of Science

Front Matter

Best Known Ancient Human Introduced to Geologists

Hazelnut Butter Kept Unspoiled 2,700 Years

New Type of Prehistoric Pottery Found in Mexico

Exercise Good for Teeth Theory Seems Contradicted

Machine Boss for Machines Invented by Engineers