American chestnut trees were all over the US at the end of the 19th century until the fungus wiped most of them out. Scientists have been trying to figure out ways to bring those endangered American chestnuts back to their former glory. Hosted by: Olivia Gordon 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: Adam Brainard, Greg, Alex Hackman, 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 doi.org/10.1007/s11248-013-9708-5 doi.org/10.3389/fpls.2018.01046 doi.org/10.1111/rec.12879 science.sciencemag.org/content/215/4532/466 ecosystems.psu.edu/research/chestnut/information/conference-2004/conference/griffin bmcplantbiol.biomedcentral.com/articles/10.1186/1471-2229-9-51 www.jbc.org/content/268/17/12239.full.pdf+html dx.doi.org/10.1016/j.plantsci.2014.04.004 doi.org/10.1007/s00299-007-0313-z doi.org/10.1080/00275514.1987.12025367 academic.oup.com/jof/article/98/2/22/4614209 link.springer.com/chapter/10.1007/978-1-4757-9921-7_1 htirc.org/wp-content/uploads/2016/06/Jacobs-2007-min.pdf www.nrcresearchpress.com/doi/10.1139/b95-261#.XIldDBNKjVp www.researchgate.net/profile/F_Paillet/publication/237164099_Replacement_of_native_oak_and_hickory_tree_species_by_the_introduced_American_chestnut_Castanea_dentata_in_southwestern_Wisconsin/links/551058650cf203521969fdf0/Replacement-of-native-oak-and-hickory-tree-species-by-the-introduced-American-chestnut-Castanea-dentata-in-southwestern-Wisconsin.pdf doi.org/10.1016/j.foreco.2009.04.014 iubmb.onlinelibrary.wiley.com/doi/pdf/10.1080/15216540211474 www.jbc.org/content/285/34/26685.full science.sciencemag.org/content/35/906/717 sararegistry.gc.ca/species/speciesDetails_e.cfm?sid=205 www.esf.edu/chestnut/about.asp www.esf.edu/chestnut/background.htm ecosystems.psu.edu/research/chestnut/breeding/blight/tracking portal.ct.gov/CAES/Fact-Sheets/Plant-Pathology/Chestnuts-and-the-Introduction-of-Chestnut-Blight www.forestry.gov.uk/forestry/infd-8s5qbf www.scientificamerican.com/article/chestnut-forest-a-new-generation-of-american-chestnut-trees-may-redefine-americas-forests/ www.nature.com/news/plant-science-the-chestnut-resurrection-1.11504 www.sciencemag.org/news/2018/08/save-iconic-american-chestnut-researchers-plan-introduction-genetically-engineered-tree www.washingtonpost.com/wp-dyn/content/article/2005/12/28/AR2005122801235.html Image Sources: commons.wikimedia.org/w/index.php?search=american+chestnut+tree&title=Special:Search&go=Go&ns0=1&ns6=1&ns12=1&ns14=1&ns100=1&ns106=1#/media/File:PSM_V84_D567_Chestnut_tree_near_the_trail_of_buck_spring_lodge.jpg www.istockphoto.com/photo/giant-redwood-forest-gm691856620-127635569 www.istockphoto.com/photo/giant-sequoia-trees-gm904074920-249333034 commons.wikimedia.org/wiki/File:Cryphonectria_parasitica_tree_bark_(2).jpg npgallery.nps.gov/AssetDetail/35D7B28E-1DD8-B71B-0B18B3A90AA64E05 commons.wikimedia.org/wiki/File:PSM_V84_D565_American_chestnut_mitchel_county.jpg en.wikipedia.org/wiki/American_chestnut#/media/File:Castanea_dentata_range_map_2.png www.eurekalert.org/multimedia/pub/14571.php commons.wikimedia.org/w/index.php?search=american+chestnut&title=Special%3ASearch&go=Go&ns0=1&ns6=1&ns12=1&ns14=1&ns100=1&ns106=1#/media/File:Tower_Hill_Botanic_Garden_-_American_chestnuts.jpg commons.wikimedia.org/wiki/Castanea_dentata#/media/File:PSM_V84_D563_American_chestnut_central_maryland.jpg commons.wikimedia.org/wiki/File:American_Chestnut_blight_suvivor.JPG en.wikipedia.org/wiki/Castanea_crenata#/media/File:Castanea_crenata_3.jpg en.wikipedia.org/wiki/Chestnut_blight#/media/File:Chestnut_blight_on_cut_tree_in_Adams_County_Ohio.jpg en.wikipedia.org/wiki/Oxalic_acid#/media/File:Oxalic_acid_molecule_ball_from_xtal.png

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