The Review by D. Gebauer et al. introduces the reader to the exciting world of disordered calcium carbonate and its role in biomineralization. How can studies of polyamorphism help to understand crystallization? In a Minireview, S. Chang et al. discuss syntheses of aromatic nitriles from nonmetallic cyano-group sources. The Highlights deal with hard autonomous self-healing supramolecular materials (R. Hoogenboom) and phospharadialenes (H. Hopf).
In the Communications section, P. Slavíček et al. describe the synthesis of a chiral dicationic circulenoid and its conversion into a helicene congener (see picture). S. De Feyter et al. succeeded in the in situ separation of a racemate upon diastereoselective adsorption on an achiral surface. A. J. Ragauskas et al. show how the structural architecture of plant cell walls can be visualized by means of 3D time-of-flight secondary-ion mass spectrometry (TOF-SIMS) with a dual-beam mode. L. Dai et al. report on nitrogen-doped graphene foams as counter electrodes in dye-sensitized solar cells.