1. CARL SAGAN (1934–1996)

   Legacy Pages: 309 - 310

2. COMMENTARY

   Legacy Pages: 311 - 312

3. FORMALDEHYDE IN HOT SPRINGS

   • D. E. Ingmanson

   OriginalPaper Pages: 313 - 317

4. prebiotic transamination

   • J. Collins Bishop
   • Stacy D. Cross
   • Thomas G. Waddell

   OriginalPaper Pages: 319 - 324

5. Modelling of the prebiotic synthesis of oligopeptides: silicate catalysts help to overcome the critical stage

   • Kirill I. Zamaraev
   • Vyacheslav N. Romannikov
   • Valeriy V. Khramtsov

   OriginalPaper Pages: 325 - 337

6. CONDENSATION OF GLYCYLGLYCINE TO OLIGOGLYCINES WITH TRIMETAPHOSPHATE IN AQUEOUS SOLUTION. II: Catalytic Effect of Magnesium Ion

   • Y. YAMAGATA
   • K. INOMATA

   OriginalPaper Pages: 339 - 344

7. attempted prebiotic synthesis of pseudouridine

   • JASON P. DWORKIN

   OriginalPaper Pages: 345 - 355

8. DIMERIZATION IN HIGHLY CONCENTRATED SOLUTIONS OF PHOSPHOIMIDAZOLIDE ACTIVATED MONONUCLEOTIDES

   • Anastassia Kanavarioti

   OriginalPaper Pages: 357 - 376

9. EMERGENCE OF TEMPLATE-AND-SEQUENCE-DIRECTED (TSD) SYNTHESES: I. A BIO-GEOCHEMICAL MODEL

   • NOAM LAHAV
   • SHLOMO NIR

   OriginalPaper Pages: 377 - 395

10. VESTIGES OF EARLY MOLECULAR PROCESSES LEADING TO THE GENETIC CODE

    • RICARDO FERREIRA
    • ANDRÉ RICARDO de O. CAVALCANTI

    OriginalPaper Pages: 397 - 403

11. EVOLUTIONARY CONSIDERATION ON 5-AMINOLEVULINATE SYNTHASE IN NATURE

    • TAMIKO OH-HAMA

    OriginalPaper Pages: 405 - 412

12. ultraviolet radiation from F and K stars and implications for planetary habitability

    • James F. Kasting
    • Douglas C. B. Whittet
    • William R. Sheldon

    OriginalPaper Pages: 413 - 420