AUTHOR=Misseroni D. , Bacigalupo A. , De Bellis M. L. , Movchan A. B. , Paulino G. H. TITLE=Editorial: Cutting-Edge Metastructures: Micro-Architected and Active Metamaterials JOURNAL=Frontiers in Materials VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2021.695559 DOI=10.3389/fmats.2021.695559 ISSN=2296-8016