How are Koalas alive?

Koalas are pretty darn cute, but...they aren’t the brightest bulb on the continent. They will only eat eucalyptus leaves off the branch. On a plate, a koala won’t recognize their one and only food. Yet, somehow, koalas are still alive. And it's all thanks to some pretty clever adaptations.Hosted by: Michael ArandaSciShow 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:Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, KatieMarie Magnone, Eric Jensen, Adam Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Drew Hart, Sam Lutfi, Alisa Sherbow, Jason A Saslow----------Looking for SciShow elsewhere on the internet?Facebook: http://www.facebook.com/scishowTwitter: http://www.twitter.com/scishowTumblr: http://scishow.tumblr.comInstagram: http://instagram.com/thescishow----------Sources:Brains:https://www.researchgate.net/profile/Maciej-Henneberg/publication/233726395_1998_koala_brain/links/09e4150acb6041e673000000/1998-koala-brain.pdfhttps://www.sciencedirect.com/science/article/pii/S0944200620301045https://www.researchgate.net/publication/228885254_MR_imaging_of_brain_morphology_vascularisation_and_encephalization_in_the_koalahttps://www.sciencedirect.com/science/article/pii/S0166223613000180https://books.google.co.nz/books?id=KqtlPZJ9y8EC&pg=PA234&redir_esc=y#v=onepage&q&f=falseFood:https://www.researchgate.net/publication/251779177_A_review_of_feeding_and_diet_selection_in_koalas_Phascolarctos_Cinereushttps://research.monash.edu/en/publications/digestion-and-nutrition-in-the-koala-a-reviewhttps://link.springer.com/article/10.1007/BF00689622https://www.sciencemag.org/news/2018/07/koala-s-diet-would-kill-most-mammals-their-genome-reveals-how-they-survivehttps://www.publish.csiro.au/WR/WR00111Disease:https://www.sciencedirect.com/science/article/pii/S0378113513001405#bib0205https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6472425/https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1751-0813.1987.tb06064.x?sid=nlm%3Apubmedhttps://journals.plos.org/plosone/article?id=10.1371/journal.pone.0236758Other:https://www.environment.gov.au/system/files/pages/a117ced5-9a94-4586-afdb-1f333618e1e3/files/31-ind.pdfImages:https://www.storyblocks.com/video/stock/koala-awake-on-a-tree-hg8hhasrejwqcq3n7https://www.istockphoto.com/photo/lone-koala-hanging-on-the-branches-of-a-tree-gm172129804-2354773https://www.istockphoto.com/photo/organic-dried-eucalyptus-leaves-text-space-gm1170675305-324031293https://www.storyblocks.com/video/stock/brain-1007-a-human-brain-rotates-on-a-grid-background-loop-shrpmbxyrwj9ivo8e1https://www.storyblocks.com/video/stock/koala-eating-eucalyptus-leaves-marsupial-native-to-australia-hkk62n30ej1wywywshttps://www.storyblocks.com/video/stock/koala-eating-eucalyptus-leaves-marsupial-native-to-australia-hkk62n30ej1wywywshttps://www.istockphoto.com/photo/koala-baby-gm1272019097-374424410https://www.istockphoto.com/photo/close-of-a-koala-yawning-gm1089852816-292371790https://www.istockphoto.com/photo/karri-forest-western-australia-gm180883608-27065633https://www.storyblocks.com/video/stock/a-koala-mother-carries-her-infant-on-her-back-in-a-eucalyptus-tree-swn75ciliqcct5jihttps://www.storyblocks.com/video/stock/ws-cows-and-sheep-grazing-in-countryside--cornwall-england-uk-b810kchqeiwmvlx3ahttps://www.istockphoto.com/photo/koala-gm499656300-80357259https://www.storyblocks.com/video/stock/koala-native-australian-marsupial-sleeping-in-tree-r6nuexjy-j203n77a