1. Editorial

   • Chandler Davis

   Department 10 January 2009 Pages: 4 - 4

2. Letter to the editor

   • J. C. Zambrini
   • William C. Waterhouse

   Department 10 January 2009 Pages: 5 - 6

3. Defense of the conceptual

   • Pierre Schapira

   Department 10 January 2009 Pages: 7 - 8

4. DNA computing: Arrival of biological mathematics

   • Lila Karl

   Article 10 January 2009 Pages: 9 - 22

5. The glass bead game

   • John Wilson

   Article 10 January 2009 Pages: 23 - 25

6. Mathematical entertainments

   • Alexander Shen
   • Martin Gardner

   Department 10 January 2009 Pages: 26 - 29

7. Fubini Foiled: Katok’s Paradoxical Example in Measure Theory

   • John Milnor

   Article 10 January 2009 Pages: 30 - 32

8. Mathematical communities

   • Marjorie Senechal

   Department 10 January 2009 Pages: 33 - 37

9. Two places at once: A remembrance of Paul Erdös

   • János Pach

   Article 10 January 2009 Pages: 38 - 48

10. The Mathematical Tourist

    • Ian Stewart
    • Giorgio Tomaso Bagni

    Department 10 January 2009 Pages: 49 - 49

11. The story of a shopping bag

    • Vagn Lundsgaard Hansen

    Article 10 January 2009 Pages: 50 - 52

12. Two poems

    • Marion Cohen

    Article 10 January 2009 Pages: 52 - 52

13. On points constructible from conics

    • Carlos R. Videla

    Article 10 January 2009 Pages: 53 - 57

14. How to do and write math research

    • Reuben Hersh

    Article 10 January 2009 Pages: 58 - 60

15. Mixed motives

    • B. Sury

    Article 10 January 2009 Pages: 60 - 60

16. Year ago

    • Jeremy Gray

    Department 10 January 2009 Pages: 61 - 64

17. Reviews

    • Jet Wimp
    • Freeman Dyson
    • Marci Perlstadt

    Department 10 January 2009 Pages: 65 - 71

18. Stamp corner

    • Robin Wilson

    Department 10 January 2009 Pages: 72 - 72