Comment by jiojfdsal3

To me, this is a strong sign of Google manipulating search results.

https://www.google.com/search?q=american+inventors

https://www.google.com/search?q=american+mathematicians

https://www.google.com/search?q=american+scientists

Image results:

https://www.google.com/search?q=european+art+history&tbm=isc...

https://www.google.com/search?q=white+couple&tbm=isch

https://www.google.com/search?q=white+inventor&tbm=isch