Anniversary + 200). In Latin, it seems that this rule did not apply precisely for 1½. While "secundus" is Latin for "second", and "bis" for "twice", these terms are not used such as in sesqui-secundus. Instead "sesqui" (or "ses") is used by itself. Many anniversaries have special names. "Etiquette in Society, in Business, in Politics and at Home" by Emily Post, published in 1922, contained suggestions for wedding anniversary gifts for 1, 5, 10, 15, 20, 25, 50, and 75 years. Wedding anniversary gift suggestions for other years were added in later editions and publications; they now comprise what is referred
What Is Life? as a highly ordered process, but which is caused by random movement of atoms or molecules. If the number of atoms is reduced, the behaviour of a system becomes more and more random. He states that life greatly depends on order and that a naïve physicist may assume that the master code of a living organism has to consist of a large number of atoms. In chapter II and III, he summarizes what was known at this time about the hereditary mechanism. Most importantly, he elaborates the important role mutations play in evolution. He concludes that the carrier of hereditary