AUTHOR=Saalwächter Kay TITLE=Grand challenges in polymers JOURNAL=Frontiers in Soft Matter VOLUME=2 YEAR=2022 URL=https://www.frontiersin.org/journals/soft-matter/articles/10.3389/frsfm.2022.1037349 DOI=10.3389/frsfm.2022.1037349 ISSN=2813-0499