Fairy Rings

Hank noticed something mysterious in the park one day. Fairy rings: are they mystical portals to another realm Or could there be another, more scientific, explanation Like SciShow Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids Tardigrade Poster: SciShow Mug: SciShow Shirt: Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Sources