CHICAGO, Illinois, March 1 -- The University of Chicago issued the following news: * * * Researchers turn herbal tea ingredient into soft gels for biomedical use University of Chicago scientists find way to make malva nuts into hydrogels Scientists have discovered how to take an ingredient used in herbal tea and make it into a jelly-like substance known as a hydrogel, perfect for a variety of biomedical uses. In new research from the University of Chicago, published Feb. 17 in Matter, rese  more