1. Quasicrystals: The View from Stockholm

   • Marjorie Senechal
   • Jean E. Taylor

   Article 01 May 2013 Pages: 1 - 9

2. Triangle Mysteries

   • Ehrhard Behrends
   • Steve Humble

   Mathematical Gems and Curiosities 21 March 2013 Pages: 10 - 15

3. Orthocentric Simplices as the True Generalizations of Triangles

   • Mowaffaq Hajja
   • Horst Martini

   Article 17 April 2013 Pages: 16 - 28

4. Definitions that Sizzle

   • Colin Adams

   Mathematically Bent 06 April 2013 Pages: 29 - 31

5. Grothendieck’s 1967 Lectures in the Forest in Vietnam

   • Neal Koblitz

   Mathematical Communities 24 April 2013 Pages: 32 - 34

6. Euler’s Musical Mathematics

   • Peter Pesic

   Years Ago 09 May 2013 Pages: 35 - 43

7. Extending the Pascal Mysticum

   • John Conway
   • Alex Ryba

   Article 01 March 2013 Pages: 44 - 51

8. Integers

   • Norman W. Johnson

   Article 03 April 2013 Pages: 52 - 59

9. Arkimedeion, a New Science Centre in Syracuse

   • Osmo Pekonen

   The Mathematical Tourist 26 January 2013 Pages: 60 - 63

10. Dr Dee by Damon Albarn

    • Mary W. Gray

    Reviews 22 March 2013 Pages: 64 - 67

11. Models and Games by Jouko Väänänen

    • Roman Kossak

    Reviews 12 April 2013 Pages: 68 - 69

12. Kurt Gödel and the Foundations of Mathematics: Horizons of Truth by Matthias Baaz, Christos H. Papadimitriou, Hilary W. Putnam, Dana S. Scott, and Charles L. Harper, Jr. (eds.)

    • Jan von Plato

    Reviews 26 March 2013 Pages: 70 - 73

13. Iris Runge - A Life at the Crossroads of Mathematics, Science and Industry by Renate Tobies

    • Brenda P. Winnewisser

    Reviews 01 March 2013 Pages: 74 - 75

14. Simon, the Genius in My Basement by Alexander Masters

    • Marjorie Senechal

    Reviews 13 February 2013 Pages: 76 - 77

15. Ancient Loons: Stories David Pingree Told Me by Philip J. Davis

    • James Callahan

    Reviews 12 February 2013 Pages: 78 - 79

16. Early Chinese Mathematics

    • Robin Wilson

    Stamp Corner 16 April 2013 Pages: 80 - 80