What are sinkholes, and how do these mysterious things form? Thanks to Skillshare for sponsoring this video. The first 500 people to use this link will get a 2 Month free trial of Skillshare http://skl.sh/lifenoggin Get your exclusive Life Noggin merch: http://www.keeponthinking.co Support Life Noggin on Patreon: https://www.patreon.com/LifeNogginStudios Official Website: https://lnstudios.co Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin https://www.instagram.com/lifenoggin Click here to see more videos: https://www.youtube.com/user/lifenoggin Life Noggin is a weekly animated educational series. Whether it's science, pop culture, history or art, we explore it all and have a ton of fun doing it. Life Noggin Team: Director/Voice: http://lifenogg.in/PatGraziosi Executive Producer - Ian Dokie: http://instagram.com/iandokie Director of Marketing: http://lifenogg.in/JaredOban Animation by Steven Lawson Written by Michael Sago: https://twitter.com/MichaelSago Sources: https://www.britannica.com/science/sinkhole https://mnfi.anr.msu.edu/communities/community.cfm?id=10707 https://www.fws.gov/arkansas-es/IPaC/Karst.html https://www.uky.edu/KGS/water/general/karst/karst_landscape.htm http://news.nationalgeographic.com/news/2013/08/130812-florida-sinkhole-disney-world-explainer-urban-science/ https://www.livescience.com/44123-what-are-sinkholes.html https://www.americangeosciences.org/critical-issues/faq/which-areas-are-most-risk-sinkholes https://water.usgs.gov/edu/sinkholes.html https://www.researchgate.net/publication/310747297_The_impact_of_droughts_and_climate_change_on_sinkhole_occurrence_A_case_study_from_the_evaporite_karst_of_the_Fluvia_Valley_NE_Spain http://drought.unl.edu/DroughtBasics/ClimateChange.aspx http://nca2014.globalchange.gov/highlights/report-findings/extreme-weather http://www.earthtech.com/residential/sinkhole-truth/sinkhole-warning-signs/ http://www.sinkhole.org/CommonSigns