Channels and Pumps Early in Evolution -- The Possible Role of Aquaporin 0 in Lens Physiology -- Central Role of the Ca2+i Regulatory Site in Ionic and Metabolic Modulation of Na+/Ca2+ Exchanger in Dialyzed Squid Axons -- Calcium Dependence of Calcium Release Channels (Ryanodine Receptors) from Skeletal and Cardiac Muscle -- Modulation of Ryanodine Receptor Channels from Rat Brain Cortex in Lipid Bilayers -- Exocytic Pathway Check Points for Functional Potassium Channels in the Plasma Membrane -- C-Termini Region Shared by ?2A, ?1B and ?3 Subunits Confer Prepulse Facilitation to Cardiac Calcium Channels -- Differential Expression of Ca Channels and Synaptic Transmission in Normal and Ataxic Knock-Out Mice -- Investigating the Modular Basis of BK Channel Activation by Calcium -- Helical Nature of the Voltage Sensor -- Peptide Toxins as Conformational Probes for K-Channels -- Molecular Participants in Voltage-Dependent Gating -- CA2+ Dynamics at Nerve-Terminal Active Zones Monitored by Endogenous KCa Channels -- Fine Tuning of Excitability by KCa Channels in Mudpuppy Parasympathetic Neurons -- Twinkle Twinkle Little Spark: Out of Tune Potassium Channels -- A CLC-2-Like Chloride Conductance in Drosophila Photoreceptors.