The other day when I was stuck in an airport I was looking through a book store and I found a kid's book written by Bear Ghrylls.
I couldn't resist having a flick through and one of the gems in the story line was using an animal's liver as sunscreen! Never heard of it myself - can't remember what the animal was either. It was also suggested that using dried liver was even more effective.
Has anyone ever heard of such a use for liver?