SOME months since we noticed Prof. Petersen's “Theorie der algebraischen Gleichungen,” and now we desire to draw attention to two more works by the same writer. The former, in its Danish garb, ...

The Egyptian pyramids have fascinated historians, scientists, and researchers for thousands of years. Despite centuries of analysis and theory, however, our understanding of how the ancient Egyptians ...

A new study confirms a long-held theory that builders used the river to transport the heavy blocks that make up the ancient wonders. By Jack Tamisiea For 4,500 years, the pyramids of Giza have loomed ...