An aerogel made from plant cellulose (IMAGE) KTH, Royal Institute of Technology Caption Nearly as light as air, these all-natural cellulose aerogels can be made sustainably, cheaply and with all natural materials. They're biointeractive too, so they can be used for therapeutics. Credit Andrew Marais 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.