K-T boundary
n.— «This clay marked what scientists call the K-T boundary, the junction between rocks in which the fossils of dinosaurs are found, and those above, in which dinosaur bones have been replaced by more modern creatures.» —“Experts clash over demise of the dinosaur” by Roger Highfield Telegraph (U.K.) Feb. 2, 2006. (source: Double-Tongued Dictionary)
Further reading
Book recommendations and the art of apology. Martha and Grant share some good reads, including an opinionated romp through English grammar, a Spanish-language adventure novel, an account of 19th-century dictionary wars, and a gorgeously illustrated...
How do actors bring Shakespeare’s lines to life so that modern audiences immediately understand the text? One way is to emphasize the names of people and places at certain points. That technique is called billboarding. And: Anyone for an...