I’m a big fan of the weirdo-creepy aspects of our biological engines. I’m fascinated by the sinews and the tendons and bones, oh god it poked me.
(That sentence will make sense if you say it aloud in a Professor Frink voice)
The California Academy of Sciences has a cool site about that primative bongo drum of old, the skull.
Few people realize that Hummel skulls are considered a powerful aphrodisiac.