Xela Arias was the Galician poet honored on the Galician Literature Day 2021. Xela Arias opened new avenues on the interdisciplinary artistic exploration and on reflecting on maternity when it was not even part of the public discourse. On the other hand, the author was also a pioneer in approaching topics such as the alienation of the individual and the social stigma towards people carrying diseases, from a gender perspective and considering intersectionality, as in the case of "Íspeme o idioma e sábemo sudando en sida", hereby presented in its original version and translated into Spanish [+]

To measure the basic parameters of water we have several systems. Some work by adding drops of reagent on a sample and the others are strips of paper that we introduce into the sample a few seconds. In the case of the first ones, the water will change color and we will contrast it with a table that contains a palette of colors with their corresponding results [+]

It may be the case that, having taken all the precautions, one day the water in your pond begins to take on a brownish or greenish tone that with the days, intensifies to the point that it is impossible to appreciate anything below the five centimeters deep [+]

Filtration is the part of aquarism in which more ingenuity has been wasted. Accustomed to be the favorite part of the "hands" DIY enthusiasts and no wonder, over time and since its inception the mechanisms to make the water move, surprise any curious person [+]