<tswett> learn sex is a board game which originated in Britain in the 1870s before spreading throughout Europe in the 1890s. Sex was introduced to the rest of the world by a book, "The Complete Guide to Sex", written and published by Taneb in 1932, based on Taneb\'s extensive experience with a wide variety of forms of European sex.

lystrosaurus is a genus of Late Permian and Early Triassic Period dicynodont therapsids, which ruled the world around 250 million years ago.