Many morphogenetic movements during development require the formation of transient intermediates called rosettes. Within rosettes, cells are polarized with apical ends constricted towards the rosette center and nuclei basally displaced. Whereas the polarity and cytoskeletal machinery establishing these structures has been extensively studied, the extracellular cues and intracellular signaling c...

The paper emphasizes that today's society is largely determined by the level of development digitaltechnologies. ability to access Internet provides households with additional opportunities for income growth and competitive positions in labor market. Today, social networks creates integration each person. Therefore, we can speak about new terms concepts "digital homelessness" inequality", which...