Радиоактивность окружающей среды – Рамиз Алиев / ПостНаука

Whole-channel inclusion: ПостНаука is an honest teaching channel (title sample + 3 transcripts read: The one transcript with content is a structured expert explainer on waste decomposition science, consistent with the channel's teaching format.); this title passed a strict title check (sonnet) after a labelling pass.