SciShow: Why Do These Trees Refuse to Touch?

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: Go to http://Brilliant.org/SciShow to try their Beautiful Geometry course. The first 200 subscribers get 20% off an annual Premium subscription. There are a few forests out there where the trees seem to be especially... polite. Can scientists explain why these species give each other space? Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- 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: Kevin Carpentier, Eric Jensen, Matt Curls, Sam Buck, Christopher R Boucher, Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, 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: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.researchgate.net/publication/237866513_Crown_shyness_in_lodgepole_pine_stands_of_varying_stand_height_density_and_site_index_in_the_upper_foothills_of_Alberta https://www.sciencedirect.com/science/article/pii/S0378112714002667 https://web.archive.org/web/20150925144427/http://www.sfmn.ales.ualberta.ca/en/Publications/~/media/sfmn/Publications/ResearchNotes/Documents/RN_E36_CrownShyness_low.ashx https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3350169/ https://edis.ifas.ufl.edu/hs186 Image Sources https://www.flickr.com/photos/7147684@N03/2548928203/ https://commons.wikimedia.org/wiki/File:Lodgepole_pine_in_Washington.JPG https://commons.wikimedia.org/wiki/File:Crown_Shyness.jpg https://www.istockphoto.com/photo/the-gap-gm1022850616-274574877 https://www.videoblocks.com/video/beautiful-120-fps-slow-motion-shot-of-leafs-and-trees-blowing-in-the-wind-nature-atmospheric-contemplative-shot-rk35a7ehzj8f0lbtr https://www.istockphoto.com/photo/winter-view-of-the-dark-hedges-gm1155827147-314801990 https://www.videoblocks.com/video/aerial-forest-after-rain-pb1135i https://www.istockphoto.com/photo/forest-treetops-wide-angle-black-and-white-gm1019414000-273963805 https://www.videoblocks.com/video/sun-shines-through-tree-leaves-bdn-mwbuiq4xwlvr https://www.videoblocks.com/video/plant-leaves-budding-tree-buds-timelapse-time-lapse-green-leaves-closeup-on-black-background-rewbo5t5vjuuxjql4 https://www.istockphoto.com/photo/close-up-of-pine-needles-gm480952861-37029146


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