Our parents and grandparents grew up in times of segregation. Laws banning interracial marriage were abolished in 1967. It, unfortunately, takes time to collectively change our mind.

And actually, now that I think about it, I don’t ever remember seeing interracial dating represented on television in the US until the last decade or so.

Kagi is a search engine, but it has ways to narrow the search. One of these is “news” and it works quite well. I saw a Lemmy post about scientists tattooing a tardigrade so I went to see if I could find relevant results. I found multiple news articles confirming it. Kagi is a paid service, but it may work for your use case.