The Tree of Life, by Sophie Abby

New channel Société Française d'Exobiologie: title sample judged 'whole' (Nearly all uploads are substantive lectures, expert talks, and explainers on astrobiology/exobiology topics from a scien); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.