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Cover Figure


COVER Polymer vesicles of varied morphology, about 5 to 20 mm across. The copolymers of these vesicle membranes include polyethyleneoxide-polylactic acid (PEO-PLA), which is biodegradable and enables the controlled release of fluorophores such as the anticancer drug doxorubicin. These vesicles are one example of the soft surfaces and interfaces highlighted in the special section in this issue. 961 [Image: F. Ahmed, F. S. Bates, and D. E. Discher]

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Science. ISSN 0036-8075 (print), 1095-9203 (online)