Other curators' topics will inspire you on publishing quality content on your topics as well. You'll be able to pick up on subjects raised by other users by rescooping articles which you find relevant on your topics. Hence the importance of discovering new topics and following them; then retrieve them in your personnalized Home aka Followed Topics.
1. Home page categories
You can select one of these categories of interest then click on "Topics" (below the last two categories) to discover topics about it. The first results bring out the most relevant topics/curators. The order is defined by topics' relative freshness, Scoop.it Scores, popularity,etc.
2. Search bar
Type a subject of your interest in the search bar at the top your Scoop.it page to find some topics you may like to explore.
Again the results ranking depend on the same criterion as listed above. Click on the blue "Follow" button to add to your list of "Followed Topics", to enlarge your Community and to be updated on the topic.
3. Curators' profiles
Finally, have a look at the profiles of other curators, you can discover new topics thanks to their Followed Topics.