Make a shell script that runs yt-dlp for the channels that have worthwhile information. Don't fall into the trap of thinking that videos which "talk about" math and science are educational, when they are in fact entertainment. e.g. [0] is education. [1] is education. [2] is entertainment.

[0] https://www.youtube.com/@FredericSchuller

[1] https://www.youtube.com/@khanacademy

[2] https://www.youtube.com/@kurzgesagt