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Geometry v. gerrymandering / Moon Duchin

Slicing sandwiches, states, and solar systems: can mathematical tools help determine what divisions are provably fair? / Theodore P. Hill

Does mathematics teach how to think? / Paul J. Campbell

Abstracting the Rubick's cube / Roice Nelson

Topology-disturbing objects: a new class of 3D optical illusion / Kokichi Sugihara

Mathematicians explore mirror link between two geometric worlds / Kevin Hartnett

Professor Engel's marvelously improbable machines / James Propp

The on-line encyclopedia of integer sequences / Neil J. A. Sloane

Mathematics for big data / Alessandro Di Bucchianico, Laura Iapichino, Nelly Litvak, Frank van der Meulen, and Ron Wehrens

The un(solv)able problem / Toby S. Cubitt, David Pérez-García, and Michael Wolf

The mechanization of mathematics / Jeremy Avigad

Mathematics as an empircal phenomenon, subject to modeling / Reuben Hersh

Does 2 + 3 = 5? In defense of a near absurdity / Mary Leng

Gregory's sixth operation / Tiziana Bascelli, Piotr Blaszczyk, Validmir Kanovei, Karin U. Katz, Mikhail G. Katz, Semen S. Kutateladze, Tahl Nowik, Daivd M. Schaps, and David Sherry

Kolmogorov complexity and our search for meaning: what math can teach us about finding order in our chaotic lives / Noson S. Yanofsky

Ethics in statistical practice and communication: five recommendations / Andrew Gelman

The Fields Medal should return to its roots / Michael J. Barany

The Erdős paradox / Melvyn B. Nathanson.