In this issue, W. Schuhmann et al. review the role of metals in nitrogen-doped carbon electrocatalysts for oxygen reduction and R. J. Ingham et al. write on machine-assisted organic synthesis. In a Minireview, H. Schwarz discusses doping effects in cluster-mediated bond activation. The Highlights deal with small organoselenium compounds (T. Wirth) and diphosphatriazolates by click chemistry (C. Hering-Junghans, E. Rivard). In his Editorial, K. Müllen reflects on chemistry in a materials world, and E. R. Kay and D. A. Leigh debate the rise of the molecular machines in an Essay.

In the Communications section, S. A. Cirkel et al. describe frozen states of hydration of tert-butylamine (see picture). S. Ulrich et al. discovered a dynamic expression of DNA complexation with self-assembled clusters. J. Texter presents a model for exfoliation kinetics of layered materials, and H. Takezoe et al. found a twist-bend nematic phase of chiral materials.

• Angewandte Chemie 35/2015: Doping,
  Angew. Chem. Int. Ed. 2015, 54 (35).