SciShow: Trees: The Dating Apps For Bears

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription. Bears are known for scratching their backs on trees, but it turns out that they might be using trees as a dating app. Hosted by: Michael Aranda SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ---------- 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: Bryan Cloer, Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, Eric Jensen, Adam Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Sam Lutfi, Alisa Sherbow, Jason A Saslow, Dr. Melvin Sanicas, Melida Williams, Tom Mosner ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: http://www.scishowtangents.org Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Sources: https://bioone.org/journals/wildlife-biology/volume-9/issue-4/wlb.2003.002/Tree-rubbing-by-Yellowstone-grizzly-bears-Ursus-arctos/10.2981/wlb.2003.002.full https://www.livescience.com/1833-grizzly-bears-rub-trees.html https://www.nps.gov/yose/blogs/bear-series-part-one-a-bears-sense-of-smell.htm http://www.adfg.alaska.gov/index.cfm?adfg=wildlifenews.view_article&articles_id=803 https://www.sciencedaily.com/releases/2007/09/070909221303.htm https://www.researchgate.net/publication/272420356_Black_bear_marking_behaviour_at_rub_trees_during_the_breeding_season_in_northern_California https://academic.oup.com/jmammal/advance-article/doi/10.1093/jmammal/gyaa170/6123321 http://www.adfg.alaska.gov/index.cfm?adfg=wildlifenews.view_article&articles_id=803 https://www.istockphoto.com/photo/black-bear-ursus-americanus-rubbing-tree-gm174388187-25981032 https://www.istockphoto.com/photo/resine-drops-from-reunion-island-spider-web-on-them-gm1268570653-372401028 https://www.istockphoto.com/photo/closeup-of-a-black-bear-with-a-tracking-collar-waterton-national-park-canada-gm900742050-248508611 https://www.istockphoto.com/photo/brown-bear-portrait-gm180742734-25017176 https://www.istockphoto.com/photo/brown-bear-looking-from-behind-the-tree-in-spring-nature-gm1300854402-393052529 https://www.istockphoto.com/photo/european-brown-bear-scratching-its-back-finland-gm579751856-99708421 https://www.istockphoto.com/photo/mother-bear-and-her-three-little-puppies-gm1266492089-371291550


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