In the movie Brave (which my kids love), will o the wisps are featured prominently. It was a great nerd dad moment to explain the blue flame / swamp / deep fore

In the movie Brave (which my kids love), will o the wisps are featured prominently. It was a great nerd dad moment to explain the blue flame / swamp / deep forest connection to methane and peat moss. My wife cared only a little bit but the threenagers had lots of questions.