1. A new look at Op art: towards a simple explanation of illusory motion

   • Johannes M. Zanker
   • Robin Walker

   Review 16 March 2004 Pages: 149 - 156

   

2. Hydrogen storage methods

   • Andreas Züttel

   Review 17 March 2004 Pages: 157 - 172

   

3. The oldest European fossil songbird from the early Oligocene of Germany

   • Gerald Mayr
   • Albrecht Manegold

   Short Communication 06 March 2004 Pages: 173 - 177

   

4. Worker honey bee pheromone regulation of foraging ontogeny

   • Tanya Pankiw

   Short Communication 27 February 2004 Pages: 178 - 181

   

5. Dinoponera lucida Emery (Formicidae: Ponerinae): the highest number of chromosomes known in Hymenoptera

   • C. S. F. Mariano
   • J. H. C. Delabie
   • S. G. Pompolo

   Short Communication 19 March 2004 Pages: 182 - 185

   

6. In-nest environment modulates nestmate recognition in the ant Camponotus fellah

   • Tamar Katzav-Gozansky
   • Raphael Boulay
   • Abraham Hefetz

   Short Communication 11 March 2004 Pages: 186 - 190

   

7. Biomineralization in plants as a long-term carbon sink

   • Guillaume Cailleau
   • Olivier Braissant
   • Eric P. Verrecchia

   Short Communication 13 March 2004 Pages: 191 - 194

   

8. The effect of vegetation density on male mate guarding and extra-territorial forays in the yellow-breasted chat (Icteria virens)

   • Herman L. Mays Jr
   • Gary Ritchison

   Short Communication 11 March 2004 Pages: 195 - 198