Practice adds value and improves our ability to reason about the information to use it effectively for the purpose. Example tests are
Grammar tests (https://learnenglish.britishcouncil.org/grammar/intermediate-to-upper-intermediate) - This provides a structured way to improve everyday tasks such as crafting email
There is a certain of literature helpful even for the people without an degree, that will be useful in their daily lives to answer such questions like
How much to help and when to help? https://hbr.org/2017/01/beat-generosity-burnout - This Harvard article explains in numbers a practical way to approach helping.
What is happening in the field of physics? https://journals.aps.org/prl/ - Physics journal articles provides an actual standing scientific discoveries, instead of relying on a opiniated news articles about science.
What is happening to our physical environment? https://www.nature.com/articles/d41586-021-00137-5 - How water projects
How hand gestures make a difference? https://www.nature.com/articles/d41586-021-00125-9 - Hand gestures and listening
A technical documentary on the complete sequence of events for the world trade center collapse - https://nvlpubs.nist.gov/nistpubs/Legacy/NCSTAR/ncstar1.pdf
Google curated datasets - https://datasetsearch.research.google.com/search?query=newyork
Google Patents database - https://patents.google.com/?assignee=intel&oq=intel
Compute notebooks - https://colab.research.google.com/