HERA: a Supermicroscope for Investigating the Structure of the Proton Gerd W. Buschhorn Review Article Pages: 565 - 574
Cardiac Contractility: How Calcium Activates the Myofilaments J. Caspar Rüegg REVIEW ARTICLES Pages: 575 - 582
Coupling Physiology and Gene Regulation in Bacteria: The Phosphotransferase Sugar Uptake System Delivers the Signals Jörg StülkeWolfgang Hillen REVIEW ARTICLES Pages: 583 - 592
Direct Genetic Evidence for Local Mate Competition in Ants Jes S. PedersenJacobus J. Boomsma SHORT COMMUNICATIONS Pages: 593 - 595
The Mandibular Gland, Probably the Source of the Alarm Substance in Leptanilla sp. (Hymenoptera, Formicidae) J. BillenF. ItoE. D. Morgan SHORT COMMUNICATIONS Pages: 596 - 597
Stable Isotopes of Nitrogen in Fossil Cladoceran Exoskeletons: Implications for Nitrogen Sources in the Central Baltic Sea During the Past Century Ulrich StruckMaren VossNicolai Mumm SHORT COMMUNICATIONS Pages: 597 - 603
A Biomimetic Electron Releasing Device: Capacitively Connected Glow Discharge Electrode K. MiyakeH. SakuraiY. Ito SHORT COMMUNICATIONS Pages: 603 - 605
Wissenschaftsbeziehungen zwischen Deutschland und der Voksrepublik China NATURWISSENSCHAFTEN AKTUELL Pages: 606 - 608