What these researchers are doing is very different than that Vox article. They aren’t giving a monkey a human brain, they are just adding some human cells into

What these researchers are doing is very different than that Vox article. They aren’t giving a monkey a human brain, they are just adding some human cells into a monkey so the monkey will carry them around. By my understanding the Chimera is a host for human tissue that can be used for disease research, sort of like a more effective version of growing human tissue in Petri dishes (e.g. HeLa).