1. Levels of behavioral organization and the evolution of division of labor

   • Robert E. Page
   • Joachim Erber

   Review Article 09 April 2014 Pages: 91 - 106

2. Ancient specimens and DNA contamination: a case study from the 12S rRNA gene sequence of the "Linh Duong" bovid (Pseudonovibos spiralis)

   • Alexandre Hassanin

   Short Communication 09 April 2014 Pages: 107 - 110

3. Nestmate recognition in social wasps: manipulation of hydrocarbon profiles induces aggression in the European hornet

   • Joachim Ruther
   • Stefan Sieben
   • Burkhard Schricker

   Short Communication 09 April 2014 Pages: 111 - 114

4. Trace elements in buried human bones: intra-population variability of Sr/Ca and Ba/Ca ratios – diet or diagenesis?

   • Alexander Fabig
   • Bernd Herrmann

   Short Communication 09 April 2014 Pages: 115 - 119

5. Bioproduction strategies for rare hexose sugars

   • Ken Izumori

   Short Communication 09 April 2014 Pages: 120 - 124

6. A secondary copulatory structure in a female insect: a clasp for a nuptial meal?

   • Darryl T. Gwynne

   Short Communication 09 April 2014 Pages: 125 - 127

7. Transient division of labor and behavioral specialization in the ant Formica schaufussi

   • Simon K. Robson
   • James F. Traniello

   Short Communication 09 April 2014 Pages: 128 - 131

8. R. Hegnauer and M. Hegnauer: Chemotaxonomy of plants. The legumes, part 3 (Chemotaxonomie der Pflanzen. Leguminosen, Teil 3)

   • H. Ziegler

   Book Review 10 January 2002 Pages: 132 - 132

9. Arthur Greenberg: A chemical history tour — picturing chemistry from alchemy to modern molecular science

   • L. Jaenicke

   Book Review 08 February 2002 Pages: 133 - 134

10. J.E. Strick: Sparks of life. Darwinism and the Victorian debates over spontaneous generation

    • L. Jaenicke

    Book Review 09 April 2014 Pages: 135 - 136