In 1980, a physicist studying a thin clay layer found an iridium spike, and it wasn’t just trace metal: It became one of the biggest clues behind the dinosaurs’ extinction
In a remarkable geological find in Italy, a delicate clay layer was uncovered, marked by unusually high levels of iridium—a rare element on our planet but frequently found in meteorites. This intriguing evidence points to a cataclysmic asteroid strike that likely led to the extinction of the dinosaurs 66 million…
The Economic Times ·