I made a post 11 days ago (https://news.ycombinator.com/item?id=24814634 https://news.ycombinator.com/item?id=24814634) about a wikipeida page regarding things

I made a post 11 days ago (https://news.ycombinator.com/item?id=24814634 https://news.ycombinator.com/item?id=24814634) about a wikipeida page regarding things evolving into crabs. Then today I see this youtube video on trending (https://www.youtube.com/watch?v=wvfR3XLXPvw https://www.youtube.com/watch?v=wvfR3XLXPvw) talking about this very same concept. This is a very niche subject so I am surprised by its relative frequent appearances. This thing has happened to me before, so I finally decided to look up what its called.