1. Molecular Mechanisms of Bacterial Pathogenicity

   • Thilo Martin Fuchs

   Review Articles Pages: 99 - 108

2. Societal and Commercial Issues Affecting the Future of Biotechnology in the United States: A Survey of Researchers’ Perceptions

   • Isaac Rabino

   Review articles Pages: 109 - 116

3. Nonlinear Oscillations in Polyps of the Colonial Hydroid Podocoryne carnea

   • Andreas Wagner
   • Steven R. Dudgeon
   • Leo W. Buss

   Short Communication Pages: 117 - 120

4. Induction of a Gravity-Related Response by a Single Receptor Cell in an Insect

   • E. Horn
   • W. Föller

   Short communications Pages: 121 - 123

5. Otoacoustic Emissions from a Nonvertebrate Ear

   • M. Kössl
   • G. S. Boyan

   Short communications Pages: 124 - 127

6. Solar UV Monitor with Yeast and the Possibility of Estimating Ozone-Layer Thickness

   • Shinji Matsumoto
   • Bunshiro Goto

   Short communications Pages: 127 - 130

7. Deviations in Circadian Rhythms of the Core Temperature in Color-Deficient Subjects

   • Danuta Rutkowska
   • Hiromi Tokura
   • Takeshi Morita

   Short communications Pages: 130 - 132

8. Are Ant Workers Capable of Colony Foundation?

   • Jürgen Liebig
   • Bert Hölldobler
   • Christian Peeters

   Short communications Pages: 133 - 135

9. Taurine and Histamine: Low Molecular Compounds in Prey Hemolymph Increase the Killing Power of Spider Venom

   • Lucia Kuhn-Nentwig
   • Andreas Bücheler
   • Wolfgang Nentwig

   Short communications Pages: 136 - 138

10. Books reviews

    Pages: 139 - 139

11. Naturwissenschaften Aktuell

    Pages: 140 - 142