What you're looking for is called RSS. Install a RSS client, subscribe to some blogs or interesting sites like Aeon, Psyche, Nautilus, Longreads or Hacker News and add them to your client. Then you can scroll mindlessly through your own curated list of educational content.
What's wrong with the 90s UX? It lets you do your work without being intrusive or annoying, so what's wrong with it?