These Mysterious Lakes Disappeared...and Came Back

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
----------
Support SciShow by becoming a patron on Patreon:
----------
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:
Twitter:
Tumblr:
Instagram:
----------
Sources:
















Images:

SciShow,science,Hank,Green,education,learn,sinkhole,volcanic activity,lake,disappearing lake,geology,Lost Lake,lakebed,Geologist,lava tube,volcanic tunnel,Lago Cachet Dos,Colonia Glacier,glacier,GLOF,glacial lake outburst flood,glacial lake,Lake Jackson,Floridan Aquifer,aquifer,