13. Un canal pour faire rentrer les ions sodium dans nos cellules

New channel Yves Muller – Biology Channel: title sample judged 'whole' (A rigorous university biology lecturer with full courses, worked exercises, and quiz/explainer videos that are nearly al); passed a second screen for sellers/exam-prep/re-uploads; 2 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.