https://www.serpo.org/a-%d1%81osmi%d1%81-dialogue-evaluating-the-serpo-ex%d1%81hanges-impli%d1%81ations-for-human-alien-%d1%81ommuni%d1%81ation/ Conference on top-secret program Wed, 13 Mar 2024 14:20:38 +0000 hourly 1 https://wordpress.org/?v=6.4.3