1. Providing or hiding information: On the evolution of amplifiers and attenuators of perceived quality differences

   • Oren Hasson
   • Dan Cohen
   • Avi Shmida

   OriginalPaper Pages: 269 - 283

2. Methodological problems in evolutionary biology

   • Patsy Haccou
   • Wim J. van der Steen

   OriginalPaper Pages: 285 - 295

3. Dimensional analysis of RR dynamic in 24 hour electrocardiograms

   • H. Bettermann
   • P. Van Leeuwen

   OriginalPaper Pages: 297 - 312

4. A single-locus model of speciation

   • Hans-Rolf Gregorius

   OriginalPaper Pages: 313 - 319

5. A Constant of temporal structure in the human hierarchy and other systems

   • Peter W. Barlow

   OriginalPaper Pages: 321 - 328

6. On the interpretation of the asymmetrical leaf of Begonia By D'Arcy Thompson

   • Denis Barabé
   • Stéphane Daigle
   • Luc Brouillet

   OriginalPaper Pages: 329 - 332

7. Short note on the mechanics in the contact behaviour of cells

   • Sasadhar De

   OriginalPaper Pages: 333 - 337

8. Ethics, animals and the environment: A review of recent books

   • Wim J. van der Steen

   OriginalPaper Pages: 339 - 347