Cover picture: Different forms of phase behavior of ovalbumin. (Top left) Cluster of needle-like crystals growing from clear solution. (Top middle, top right, and lower right) Gel bead-like aggregates. (Lower left and middle) Clusters of needle-like crystals growing at the surface of gel bead-like aggregates. Each picture is ~800 μm square. See the article by Dumetz et al. on page 570.