When the same topic keeps popping up and you think “Omg, I just heard about that the other day!” it’s usually due to the Baader-Meinhof phenomenon, which is the illusion that something you’ve only recently noticed starts to appear everywhere you go. Source
Yeah that happened to me during 9/11. For days, maybe weeks after that I kept seeing the twin towers falling down. I didn’t notice it before that day. It’s so weird.