This article deals with the question of how self-organization in living organisms is realized. Self-organization may be observed in open systems that are out of equilibrium. Many disequilibria-conversion phenomena exist where free energy conversion occurs by spontaneously formed engines. However, how is self-organization realized in living entities? Living cells turn out to be self-organizing disequilibria-converting systems of a special kind. Disequilibrium conversion is realized in a typical way, through employing information specifying protein complexes acting as nano engines. The genetic code (...) enables processing of information—derived from coding DNA—to produce these molecular machines. Hence, information is at the core of living systems. Two promising approaches to explaining living cells containing sequences carrying information are mentioned. Also discussed is the question of whether a second concept of self-organization—namely, the Kantian concept—applies. (shrink)

Technology has developed to the point where a clear distinction between nature and culture seems to be dissolving. Against this background, a broad aspect of social research has emerged that considers an interdependence between the social and the material. So far, social-systems cybernetics as described by Luhmann has remained rather marginalized in these discussions. This article is intended to overcome this marginalization by developing the concept of meaning. Meaning can abstractly be defined as a ‘doing negativity’. Returning to systems theory, (...) it becomes obvious that verbalized meaning (expressed through language) is only one possible medium of meaning. Adopting some concepts from Helmuth Plessner, I introduce another medium of meaning – corporealized meaning (expressed in physical terms), which also operates meaningfully along the distinction between actuality and potentiality, and thus does negativity. I discuss consequences of observing the relationship between sociality and materiality from this perspective. (shrink)