Flip the question around and ask yourself: How would you start teaching someone else about the most complicated topics in your wheelhouse?

The answer is almost always to start with the basics. Trying to shortcut past the introductory level topics and skip straight to the hard stuff results in a lot of pseudoscience and false understandings.

Realistically, no one is going to understand cutting edge neuroscience or quantum mechanics by reading pop-science articles. If something looks interesting, pick introductory texts in that field and start working your way up.