The Mathematical Intelligencer

A Letter of Hermann Amandus Schwarz on Isoperimetric Problems
Erhabene Welten: Das Leben Rolf Nevanlinnas by Olli Lehto
Felix Hausdorff in Bonn
Figuring It Out: Entertaining Encounters with Everyday Math by Nuno Crato
Forcing Nonperiodicity with a Single Tile
Gösta Mittag-Leffler: A Man of Conviction by Arild Stubhaug
Is There Any Conflict Between Evolution and the Second Law of Thermodynamics?
Math Is My Femme Fatale
math.ch/100 Schweizerische Mathematische Gesellschaft Société Mathématique Suisse Swiss Mathematical Society 1910–2010 edited by Bruno Colbois, Christine Riedtmann, and Viktor Schroeder
Mathematicians in the World of Finance
Picturing Gauss
Recent Mathematical Stamps: 2008–2009
Remarks on Krein’s Inequality
Sketchy Tweets: Ten Minute Conjectures in Graph Theory
The AM-GM Inequality is Equivalent to the Bernoulli Inequality
The Dog Who Knew Calculus
The Mathematics of Life by Ian Stewart and Life’s Other Secret: The New Mathematics of the Living World by Ian Stewart
The Mondee Gills Game