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Built in the Stone Age: Egypt’s Great Pyramid was likely constructed before the pharaohs as early as 40,000 BC

A recent geological study is reigniting debate around the origins of Egypt’s Great Pyramid of Giza. Released in late 2025, the report presents a bold claim: the monument’s exposed limestone blocks may ...
Booth School of Business

Has Rajan Hooda Solved a 4,500-Year-Old Mystery?

For 50 years, Rajan Hooda, MBA ’88, PhD ’90, has been obsessed with a mystery that has baffled archaeologists, architects, and engineers for centuries: How did the ancient Egyptians build the Great ...