Ahead of the Friday theatrical release, our colleague Andrew McDiarmid talked with Dr. Jeffrey Long, a cancer doctor who appears in the film.
I could not find a single reviewer who accepted the claims of the papers. They were harshly critical of claims of intentional burial of the skeletons.
The motivation for the brain collection was to document how some people were supposedly lower on the evolutionary ladder than others.
These human specimens were collected in large part to dramatize how non-white peoples were supposedly lower on the evolutionary ladder than whites.
Aristotle noted that when we think carefully about natural causes we see that there are four distinct ways that causes can lead to effects in nature.