Visit www.gatesnotes.com to learn more about the safe sanitation problem and strategies that can help. Most of the time you probably don’t have to think too much about your toilet, but billions of people don’t have access to safe sanitation. So, engineers are working on new kinds of toilets that could help solve that! Hosted by: Stefan Chin 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 ---------- Dooblydoo thanks go to the following Patreon supporters: rokoko, Alex Hackman, Andrew Finley Brenan, Lazarus G, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- 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: Sanitation: www.un.org/millenniumgoals/environ.shtml www.who.int/news-room/fact-sheets/detail/sanitation Caltech: www.fastcompany.com/3047460/this-gates-funded-toilet-of-the-future-is-built-so-anyone-can-repair-it www.caltech.edu/news/winning-sanitation-solution-46978 www.youtube.com/watch?v=eVQaMsvBLb8 Terra Preta: sswm.info/water-nutrient-cycle/wastewater-treatment/hardwares/processes/terra-preta-sanitation sswm.info/water-nutrient-cycle/water-use/hardwares/toilet-systems/terra-preta-toilets www.researchgate.net/publication/44583399_Terra_Preta_sanitation_Re-discovered_from_an_ancient_Amazonian_civilisation_-_Integrating_sanitation_bio-waste_management_and_agriculture www.researchgate.net/publication/282493288_Terra_Preta_Sanitation_1_-_Background_Principles_and_Innovations www.mdpi.com/2071-1050/6/3/1328/htm iwaponline.com/wst/article/67/5/935/14380/Ancient-water-and-sanitation-systems-applicability U of T: www.utoronto.ca/news/u-t-engineers-win-third-place-gates-foundation-toilet-challenge thewalrus.ca/the-toilet-papers/ www.utoronto.ca/news/world-toilet-day-update-u-ts-response-bill-and-melinda-gates-foundation-challenge player.vimeo.com/video/47309197 Images: www.flickr.com/photos/gtzecosan/3233256285/ commons.wikimedia.org/wiki/File:African_Night_Crawler.jpg

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