"Let's crack this skull open and study its parts!" say all the students of this science of the skull.

The study of the skull involves the measuring of the face angle, the length and width of the head, and the size of the braincase, and identifies differences across ethnicities and groups. In the past, craniology has been controversially used to theorize about the so-called "superior" intelligence of some races, based on these physiological features.

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