Some links from the episode:
* The Alexander mosaic (https://en.wikipedia.org/wiki/Alexander_Mosaic)
* Clinical lycanthropy (https://en.wikipedia.org/wiki/Clinical_lycanthropy)
* Hirsutism (https://en.wikipedia.org/wiki/Hirsutism)
* The Art of Manliness: a history of shaving (http://www.artofmanliness.com/2012/06/07/shaving-rituals/)
* Lightening hair with lemon juice (https://www.self.com/story/how-to-lighten-hair-with-lemon-juice)