1. Resolution enhancement techniques in microscopy

   • Christoph Cremer
   • Barry R. Masters

   OriginalPaper Open access 23 January 2013 Pages: 281 - 344

2. Neutrino. History of a unique particle

   • S.M. Bilenky

   OriginalPaper 14 December 2012 Pages: 345 - 404

3. Perry, Kelvin, and the age of the sun

   • Frank J. Tipler

   OriginalPaper 06 December 2012 Pages: 405 - 409

4. Superheavy elements and the upper limit of the periodic table: early speculations

   • Helge Kragh

   OriginalPaper 26 December 2012 Pages: 411 - 431