Go to Brilliant.org/SciShow to try their Knowledge and Uncertainty course. The first 200 subscribers get 20% off an annual Premium subscription. Looking at a map, you would never know that North America once almost ripped itself in half. But 1.1 billion years ago, it tried to - and had it succeeded, there would now be an ocean where Lake Superior is! Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Bd_Tmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, Scott Satovsky Jr, Charles Southerland, charles george, Alex Hackman, Chris Peters, Kevin Bealer ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: cpb-us-e1.wpmucdn.com/sites.northwestern.edu/dist/8/1676/files/2017/05/mcrinterp-2m6zlyb.pdf www.ncbi.nlm.nih.gov/pmc/articles/PMC1578726/ www.sciencedirect.com/topics/earth-and-planetary-sciences/rodinia www.sciencedirect.com/science/article/pii/S1674987113000807?via%3Dihub www.osti.gov/servlets/purl/6060 www.sciencedirect.com/science/article/abs/pii/S0037073801000859?via%3Dihub www.jstor.org/stable/24989160?seq=1 eos.org/features/new-insights-into-north-americas-midcontinent-rift phys.org/news/2017-12-geologists-theory-formation-midcontinent-rift.html cpb-us-e1.wpmucdn.com/sites.northwestern.edu/dist/8/1676/files/2018/08/riftology-tj5d93.pdf agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2013GL059176 pubs.geoscienceworld.org/gsa/gsabulletin/article-abstract/67/8/1079/4822/CORRELATION-OF-GRAVITY-ANOMALIES-WITH-THE?redirectedFrom=fulltext cpb-us-e1.wpmucdn.com/sites.northwestern.edu/dist/8/1676/files/2018/08/riftology-tj5d93.pdf www.annualreviews.org/doi/pdf/10.1146/annurev.ea.13.050185.002021#article-denial agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2017TC004923 ui.adsabs.harvard.edu/abs/2019AGUFM.T33F0433M/abstract www.sciencedirect.com/science/article/abs/pii/004019518890265X Image Sources: commons.wikimedia.org/wiki/File:Pannotia.svg commons.wikimedia.org/wiki/File:Laurussia_Euramerica.svg commons.wikimedia.org/wiki/File:Midcontinent_Rift_map.PNG commons.wikimedia.org/wiki/File:Autograv_CG5_P1150838.JPG www.eurekalert.org/multimedia/pub/123835.php commons.wikimedia.org/wiki/File:3-Devils-grade-Moses-Coulee-Cattle-Feed-Lot-PB110016.JPG commons.wikimedia.org/wiki/File:B%C3%A1r%C3%B0arbunga_Volcano,_September_4_2014_-_15145875322.jpg commons.wikimedia.org/wiki/File:Ocean-birth_hg.png commons.wikimedia.org/wiki/File:Rodinia_reconstruction.jpg commons.wikimedia.org/wiki/File:Grenville-Extent.png commons.wikimedia.org/wiki/File:EAfrica.png pubs.usgs.gov/gip/dynamic/historical.html

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