Congratulations to Dr. Li Lin for his paper "UV-Responsive Behavior of Azopyridine-Containing Diblock Copolymeric Vesicles: Photoinduced Fusion, Disintegration and Rearrangement" (Macromol. Rapid Commun., 2009, 30, 1089–1093) published in Macromolecular Rapid Communications (cover page).