https://www.youtube.com/shorts/TXJ_y2rgtJc McCormick turned sole editor and publisher in the Tribune and further formulated the media mecca with the purchase of a radio station in 1924, renaming it WGN, once the paper's slogan because the "Earth's Greatest Newspaper." In 1948, the

The Cretaceous-Paleogene Extinction Celebration spelt the tip on the dinosaurs’ reign. Together with the dinosaurs long gone, mammals speedily became the dominant land animals. They evolved to fill numerous niches, even returning to the sea in the shape of whales and dolphins. Hip dysplasia