1. Editorial

   OriginalPaper 19 December 2012 Pages: 1119 - 1121

2. Science smiles

   • Ayan Guha

   OriginalPaper 19 December 2012 Pages: 1124 - 1124

3. Har Gobind Khorana

   • Uttam L. RajBhandary

   General / Article 19 December 2012 Pages: 1125 - 1135

4. The genetic code: Yesterday, today, and tomorrow

   • Jiqiang Ling
   • Dieter Söll

   General / Article 19 December 2012 Pages: 1136 - 1142

5. Gene synthesis with H G Khorana

   • Marvin H. Caruthers

   General / Article 19 December 2012 Pages: 1143 - 1156

6. There is no overkill in biochemistry

   • Sadashiva Karnik
   • Sriram Subramaniam

   General / Article 19 December 2012 Pages: 1157 - 1164

7. Contributions of H G Khorana to understanding transmembrane signal transduction

   • David L. Farrens
   • Thomas P. Sakmar

   General / Article 19 December 2012 Pages: 1165 - 1173

8. Total synthesis of a gene

   • H. G. Khorana

   Classics 19 December 2012 Pages: 1174 - 1197

9. Science Academies’ Refresher Course on Modern Genetics: Concepts and Practice February 4–16, 2013

   Information and Announcements 19 December 2012 Pages: 1198 - 1198

10. Index

    OriginalPaper 19 December 2012 Pages: 1199 - 1208

11. Guidelines for authors

    OriginalPaper 19 December 2012 Pages: 1209 - 1213

12. Order form

    OriginalPaper 19 December 2012 Pages: 1214 - 1214