Cretaceous–Paleogene extinction event Cretaceous–Paleogene extinction event The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden mass extinction of some three-quarters of the plant and animal species on Earth, approximately 66 million years ago. With the exception of some ectothermic species such as the leatherback sea turtle and crocodiles, no tetrapods weighing more than survived. It marked the end of the Cretaceous period and with it, the entire Mesozoic Era, opening the Cenozoic Era that continues today. In the geologic record, the K–Pg event is marked by a thin layer of sediment called the K–Pg boundary, which can
Million Years Ago (song) Million Years Ago (song) "Million Years Ago" is a song recorded by English singer and songwriter Adele for her third studio album "25" (2015). The song was written by Adele Adkins and Greg Kurstin, with production of the song provided by the latter. Lyrically, the track is about how fame has personally affected her and everyone around her. On Adele at the BBC in 2015, she stated that the song was, ""kind of a story about … I drove past Brockwell Park, which is a park in South London I used to live by. It’s where I spent a lot