Cells are the basic unit of an organism, just like the molecules in a bulk phase of a substance. As a chemist, I have been interested in the assembly and interaction of molecules to spontaneously form certain structures, for example, unit cells in crystals [10], and I worked hard to offer a new theory to explain the phenomena that “birds of the same feathers flock together” [11,12]. Just yesterday evening,I was watching a TV program with my son about sponges, where the interesting aggregation of dissociated sponge cells was shown [13]. According to standard thermodynamic textbooks, different cells or different molecules aggregate to form a mixture due to the entropy of mixing; this unfortunately does not explain why a large number of the same cells, and a large number of the same molecules, would like to aggregate. The interaction of cells or the collective behavior of aggregated cells to form tissues, organs and organisms will be one of the most important topics to be covered by this journal.

Unlike other open access journals operated by MDPI where there is an Editor-in-Chief for a journal, Cells will be managing edited by our in-house editor.

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