Nature CommunicationsThe history and function of a circular RNACledi A. Cerda-JaraFlavia ScoyniGrygoriy ZolotarovPoojashree BhaskarDaniel León-PeriñánJørgen KjemsNikolaus Rajewsky2026-04-27Full textDOI https://doi.org/10.1038/s41467-026-71822-0