The announcements of the German Mathematical Association (DMV) publish various articles on mathematical topics in their first issue of the year 2023. It reports on the beauty of mathematical chalkboard images, for which photographer Jessica Wynne has photographed chalkboards of mathematicians worldwide. In addition, contributions to the Tilings Encyclopedia, the use of ChatGPT in higher education and school teaching, as well as mathematical science communication in the digital society are presented. The issue concludes with a joint position paper on combating the shortage of mathematics teachers. The text contains information about various events and awards in the field of mathematics. It points to a general meeting in Ilmenau, where there are opportunities for exchange. The Gauss Lectures and the StuKon, a student conference, are also recommended. The importance of annual conferences for the DMV and the shortage of mathematics teachers in school mathematics education are also discussed. In addition, the winners of the Breakthrough Prize and the New Horizons Prize, as well as the awarding of the Hector Science Prize and funding by the European Research Council, are mentioned. Valentin Blomer receives an ERC Advanced Grant of two million euros for his research on number-theoretical objects and automorphic forms. The project aims to achieve progress and solutions for three unsolved mathematical conjectures. Georg Oberdieck examines in his project "Correspondences in enumerative geometry: Hilbert schemes, K3 surfaces and modular forms" the enumerative geometry of algebraic surfaces, especially K3 surfaces. The project is supported by an ERC Starting Grant of 1.5 million euros. The Heidelberg Laureate Forum Foundation celebrates its 10th anniversary with various events, including the 10th Heidelberg Laureate Forum in September. A group of mathematicians of Ukrainian origin is founding the International Center for Mathematics in Ukraine to promote top-level mathematics in the country. The competition "Jugend forscht" has begun, in which young researchers present their projects. A team of young researchers has developed a new warning device for lathes that indicates when a workpiece has been clamped incorrectly. This is one of many examples of the diversity of research projects in "Jugend forscht" and "Schüler experimentieren". The winners of the regional competitions qualify for the state competitions, which begin in March 2023. The national final of Jugend forscht will take place in Bremen in May 2023. The Mathematical Research Institute Oberwolfach invites doctoral students and postdocs to apply for seminars in 2023. These seminars are organized by leading experts in the respective field and are aimed at promising young scientists from all over the world. Lena Lattwein, a talented football player, also has exceptional mathematical abilities. She has completed her bachelor's degree in mathematical economics and is now focusing on her career as a professional football player. The entry in the Tilings Encyclopedia deals with the kite and dart Penrose tiling. These tilings are non-periodic but exhibit a high degree of global order. By suitable markings, the stones can generate exclusively non-periodic tilings. The tiling can be generated by projecting points of the five-dimensional lattice Z5 onto the plane. The Penrose tilings are connected to the discovery of quasicrystals and have led to a wave of research in the field. [Extracted from the article]