SciShow: These Mysterious Lakes Disappeared...and Came Back

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: Around the world, there are lakes that disappear without warning. Then, even stranger, they come back! This can happen for lots of different reasons, and the fact that they vanish and reappear reveals some surprising connections. Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Eric Jensen, Matt Curls, Sam Buck, Christopher R Boucher, Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.atlasobscura.com/places/lost-lake https://www.opb.org/news/article/oregon-lost-lake-hole-explained/ https://www.livescience.com/50749-lost-lake-lava-tube.html https://phys.org/news/2012-05-chile-patagonian-lake.html https://pubs.usgs.gov/sim/3332/pdf/SIM3332.pdf http://www.antarcticglaciers.org/glacier-processes/glacial-lakes/glacial-lake-outburst-floods/ https://energyeducation.ca/encyclopedia/Glacial_lake_outburst_flood https://floridadep.gov/rcp/aquatic-preserve/locations/lake-jackson-aquatic-preserve https://www.tallahassee.com/story/life/home-garden/2017/10/19/water-level-fluctuations-natural-cycle-lake-jackson/778157001/ https://www.tallahassee.com/story/life/home-garden/2017/09/21/what-makes-lake-jackson-drain-so-quickly/689812001/ https://www.tallahassee.com/story/life/home-garden/2017/04/06/lake-jackson-rises-back-normal-levels/100137946/ http://www.lakejacksonturtles.org/ http://www.landandwater.com/features/vol46no5/vol46no5_1.html https://www.tallahassee.com/story/news/local/2015/05/06/lake-jacksons-revival-continues/70926030/ Images: https://www.istockphoto.com/photo/mt-hood-oregon-gm184851675-18187257 https://en.wikipedia.org/wiki/File:Close-up_of_a_skylight_on_coastal_plain,_with_lava_stalactites_forming_on_the_roof_of_the_tube.jpg https://commons.wikimedia.org/wiki/File:Clear_Lake_with_Mount_Washington.jpg https://pubs.usgs.gov/sim/3332/pdf/SIM3332.pdf https://commons.wikimedia.org/wiki/File:LkJacksonFLAbt2000.JPG https://commons.wikimedia.org/wiki/File:Lake_Jackson_sunrise.jpg


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