The 13th International Meeting on Cholinesterases and the 7th International Conference on Paraoxonases, which took place on 9-14 September 2018 was a tremendous success thanks to the Czech organizers (Kamil Kuca, Ondrej Soukup, Kamil Musilek, Jan Korabecny and Sona Doskova from the University of Hradec Králové and Daniel Jun from the University of Defence in Brno). The Programme is available: Oral sessions , Poster sessions, and list of participantsThe International Symposium in Darmstadt: Construction of a retina from stem cells: Tribute to former students, colleagues & collaborators of Prof. Paul G. Layer was also a wonderful moment A new structure of the poly (ethylene terephthalate) bacterial hydrolase PETase from Ideonella sakaiensis is available (5YFE) and will be soon published by Bao et al.