If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling package: https://www.patreon.com/TodayIFoundOut →Some of our favorites: https://www.youtube.com/playlist?list=PLR0XuDegDqP10d4vrztQ0fVzNnTiQBEAA →Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut What Causes “Eye Floaters? https://youtu.be/Ji7qP4-FK7c?list=PLR0XuDegDqP3-uys3Rl2dvdsFkk96zRbt How the Milky Way Got Its Name https://youtu.be/1pFTdEApM0s?list=PLR0XuDegDqP3-uys3Rl2dvdsFkk96zRbt In this video: For those who don’t know, Will-o’-the-Wisps, also called “ignis fatuus,” Latin for “foolish fire”, are balls of light that are seen hovering over swamps at night and look similar to flickering lanterns, with the light often being blue in color. Want the text version?: http://www.todayifoundout.com/index.php/2013/04/what-causes-will-o-the-wisps/ Sources: http://www.helium.com/items/2272964-how-and-why-swamp-gas-is-formed http://en.wikipedia.org/wiki/Will-o%27-the-wisp http://www.mysteriousbritain.co.uk/folklore/will-o-the-wisp.html http://www.pitt.edu/~dash/willowisp.html http://en.wikipedia.org/wiki/Phosphine http://www.paranormal-encounters.com/wp/?p=631 Music from Jukedeck - create your own at http://jukedeck.com.