On May 12, Prof. Ruyi Zhu from the National University of Singapore was invited to give an academic lecture at the College of Chemistry and Molecular Engineering, Peking University. During his visit, Prof. Zhu, accompanied by Prof. Zhang, toured our lab and took a group photo with us. Prof. Zhu is currently a faculty member at the National University of Singapore, where his research focuses on DNA catalysis and novel synthetic strategies in RNA biomedicine. We sincerely thank Prof. Ruyi Zhu for his visit!