A review on usnic acid, an interesting natural compound Moreno CocchiettoNicola SkertGianni Sava Review Article Pages: 137 - 146
Ecology and ecophysiology of tree stems: corticular and wood photosynthesis H. Pfanz G. Aschan M. Loose Review Article Pages: 147 - 162
A novel function for the pineal organ in the control of swim depth in the Atlantic halibut larva Iñigo Novales Flamarique Short Communication Pages: 163 - 166
Feminization of genetic males by a symbiotic bacterium in a butterfly, Eurema hecabe (Lepidoptera: Pieridae) Masato HirokiYoshiomi KatoKazuki Miura Short Communication Pages: 167 - 170
The flavo-enzyme xanthine oxidase is under circadian control in the marine alga Gonyaulax Tzu-Shing DengTill Roenneberg Short Communication Pages: 171 - 175
Docile sitters and active fighters in paper wasps: a tale of two queens Sujata P. KardileRaghavendra Gadagkar Short Communication Pages: 176 - 179
A new giant pterosaur with a robust skull from the latest Cretaceous of Romania E. Buffetaut D. Grigorescu Z. Csiki Short Communication Pages: 180 - 184
Transferability of HIV by arthropods supports the hypothesis about transmission of the virus from apes to man Manfred EigenWerner J. KloftGerhard Brandner Short Communication Pages: 185 - 186
