Why do I have the feeling that the greatest #psychological discoveries were found out through - by today's standard - highly unethical #experiments

https://www.iflscience.com/can-a-chimp-be-raised-human-one-family-parented-a-chimp-to-find-out-66347

Can A Chimp Be Raised Human? One Family Parented A Chimp To Find Out

The Kellogg family raised a chimpanzee as a daughter to see if they could develop like a human.

IFLScience