Replace your new tab with a personal to-learn list and suggestions of resources to learn them
Have you every made a list of topics you want to learn about and completely forgotten about them?
Here is a simple newtab extension that lets you list the topics down. So, every time you open the new tab, you will be able to see your list. Not only that, it additional also looks for these topics on youtube and medium and recommends some of the content for easy access.