How Egypt’s Great Pyramid Survived Thousands of Years of Earthquakes

The mystery of how Egypt’s pyramids survived thousands of years of earthquakes may partly come down to smart engineering, according to a new study that examined how the Great Pyramid of Giza responds to seismic vibrations. Researchers found that the Pyramid of Khufu has a natural vibration frequency that differs sharply from the surrounding ground, helping reduce the risk of dangerous resonance during earthquakes. The study, led by Mohamed ELGabry and published in Scientific Reports, analyzed ambient seismic noise recorded inside the 4,600-year-old pyramid. Researchers said the findings may explain why the structure has survived centuries of earthquakes with little...