Participation to several open-door events:

* cosmology section to "Fête de la science à l'IAP" over several years (`website <http://www.iap.fr/science/fete_science/fete_science.php>`__);
* Nuit de l'IAP 2022 (`website <http://www.iap.fr/actualites/laune/2022/mai/nuit-astro-fr.html>`__);
* presentation at Pint of Science 2019;
* written article in `The Conversation <https://theconversation.com/profiles/guilhem-lavaux-1064321>`__.