Clay Vesicle (IMAGE) Harvard University Caption Fatty-acid liposomes compartmentalize inside a clay vesicle. Credit Photo courtesy of Anand Bala Subramaniam, Harvard School of Engineering and Applied Sciences. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.