User stories are a widespread instrument for representing requirements. They describe small user-oriented parts of the system and guide the daily work of developers. Often however, user stories are too coarse, so that misunderstandings or dependencies remain unforeseeable. Granularity of user stories needs to be investigated more, but at the same time is a hard-to-grasp concept. This paper inve...

I report on special features of a course on statistics and probabilities at my university, where future teachers of mathematics in primary school are instructed on en-active representations of statistical situations and on their analogue modelling. I also report on empirical work with future mathematics teachers of primary school in Baden Württemberg who have been instructed to introduce simple...

a number of literary prizes, Milan Děžinsky. By corporeality in the article, we understand everything that is connected with image biological body, organism one or another manifestation. The motif corporality traditionally occupied prominent place Czech poetry. One way another, this topic was touched upon by majority poets our time. Some interweave it divine principle, some see parallels nature...

Author Ta-Nehisi Coates has written a poetical polemic in the form of letter to his young son. It is an autobiographical account Coates' coming age Baltimore, life at Howard University, and New York City.  At once moving confrontational, describes those people who think they are white African American legacy struggle for freedom.