お尻のチューバは何を意味し、それがなぜ中世の美術に描かれているのか - ミッシェル・ブラウン
Why it's on BrighterTube
From a channel a BrighterTube curator approved in full · found via Round 4 discovery (unsure list, re-vetted by transcript) · 85% confidenceFrom a channel Lumen includes in full after transcript vetting: TED-Ed Japanese-subtitled lessons on plant fluorescence, ethics of belief, Voynich manuscript.
What you'll learn
A 5-minute video from 好奇心を持ち続けよう — TED-Ed's catalogue; the title names its topic.
Video by 好奇心を持ち続けよう — TED-Ed, played through YouTube's embedded player.