A study suggests that the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of ...

For decades, Egypt’s pyramids have stood as stoic marvels of ancient ingenuity. Historians have debated for a long time how civilizations with no modern-day equipment managed to haul these humongous ...