1. The Goat in the City

   • Gilbert Bassett

   Article 27 September 2021 Pages: 1 - 6

   

2. Loewner’s “Forgotten” Theorem

   • Peter Albers
   • Serge Tabachnikov

   Mathematical Gems and Curiosities 28 February 2022 Pages: 7 - 11

   

3. Sangaku Problems About Ellipses: Why Primary Sources Matter

   • J. Marshall Unger

   Article Open access 16 August 2021 Pages: 12 - 19

   

4. Where Do Theorems Come From?

   • Colin Adams

   Mathematically Bent 12 July 2021 Pages: 20 - 21

5. The Golden Ratio and Hydrodynamics

   • Boris Khesin
   • Hanchun Wang

   Article 04 August 2021 Pages: 22 - 27

   

6. Party Time for Mathematicians in Heidelberg

   • Osmo Pekonen

   Mathematical Communities Open access 03 September 2021 Pages: 28 - 31

   

7. Inference to the Best Explanation Is an Important Form of Reasoning in Mathematics

   • Marc Lange

   Viewpoint 26 August 2021 Pages: 32 - 38

   

8. A Large Controversy from a Small Town: Johann Georg von Soldner of Feuchtwangen

   • Bismark Singh

   Mathematical Tourist Open access 24 November 2021 Pages: 39 - 43

   

9. Visual Evaluation of a Geometric Series: Sum of Reciprocals of Odd Powers of Two

   • Rajib Mukherjee

   Note 21 June 2021 Pages: 44 - 45

   

10. The Origin of the Bernoulli Numbers: Mathematics in Basel and Edo in the Early Eighteenth Century

    • Tomoko L. Kitagawa

    Years Ago Open access 23 July 2021 Pages: 46 - 56

    

11. A Paraconsistent Poem

    • Jeremiah Joven Joaquin

    Poem or Fiction 06 July 2021 Pages: 57 - 57

12. Square Dance from a Mathematical Perspective

    • Luke Sciarappa
    • Jim Henle

    For Our Mathematical Pleasure 02 March 2022 Pages: 58 - 64

    

13. Differential Geometry of Curves and Surfaces by Shoshichi Kobayashi, translated from the Japanese by Eriko Shinozaki Nagumo and Makiko Sumi Tanaka

    • Bogdan D. Suceavă

    Book Review 15 September 2020 Pages: 66 - 67

14. The Essence of Numbers

    • Andrew Simoson

    Book Review 06 August 2021 Pages: 68 - 70

15. Reckonings: Numerals, Cognition, and History by Stephen Chrisomalis

    • Andrew Simoson

    Book Review 14 July 2021 Pages: 71 - 73

16. Bicycle or Unicycle? A Collection of Intriguing Mathematical Puzzles

    • Philip D. Straffin

    Book Review 03 September 2021 Pages: 74 - 75

17. The Rules of Contagion: Why Things Spread—And Why They Stop

    • Sune Lehmann
    • Jonas L. Juul

    Book Review 11 August 2021 Pages: 76 - 77

18. Stamps of Various Shapes

    • Robin Wilson

    Stamp Corner 15 April 2021 Pages: 78 - 78