Why Can t You Digest Grass?

You’ve probably seen cows enjoying a nice mouthful of grass, but why can t we do the same? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn t make SciShow without them! Shout out to Patrick Merrithew, Will and Sonja Marple, Thomas J., Kevin Bealer, Chris Peters, charles george, Kathy & Tim Philip, Tim Curwick, Bader AlGhamdi, Justin Lentz, Patrick D. Ashmore, Mark Terrio-Cameron, Benny, Fatima Iqbal, Accalia Elementia, Kyle Anderson, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- 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: http://dujs.dartmouth.edu/2011/02/turning-waste-into-food-cellulose-digestion/#.V7EW6pMrJPO http://www.fda.gov/AnimalVeterinary/ResourcesforYou/AnimalHealthLiteracy/ucm255500.htm http://science.jrank.org/pages/1335/Cellulose-Cellulose-digestion.html https://www.britannica.com/animal/ruminant https://www.mun.ca/biology/scarr/Ruminant_Digestion.html Cellulose: https://www.britannica.com/science/cellulose http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-is-cellulose.shtml http://chemistry.elmhurst.edu/vchembook/547cellulose.html Hydrolysis/Fermentation Inside Rumen: https://www.britannica.com/science/hydrolysis http://bioenergycenter.org/besc/publications/wilson_microbial.pdf http://web.mit.edu/pweigele/www/Towards%20a%20Personal%20Bioreactor/Readings_files/Anaerobic%20cellulose%20degredation.pdf https://famsbc.wordpress.com/2009/07/28/carbohydrate-oxidation-fermentation/ http://www.publish.csiro.au/?act=view_file&file_id=SA0501041.pdf http://www.eng.umd.edu/~nsw/ench485/lab4.htm http://pubs.acs.org/doi/abs/10.1021/ja410291u?journalCode=jacsat http://arbl.cvmbs.colostate.edu/hbooks/pathphys/digestion/herbivores/rum_absorb.html http://mmbr.asm.org/content/66/3/506.full Microbes in Humans: https://www.researchgate.net/publication/248436704_Influence_of_particle_size_and_pH_on_anaerobic_degradation_of_cellulose_by_ruminal_microbes http://www.innerbody.com/anatomy/digestive/large-intestine http://www.livescience.com/52026-colon-large-intestine.html Image Sources: https://en.wikipedia.org/wiki/Cellulose#/media/File:Cellulose_spacefilling_model.jpg https://en.wikipedia.org/wiki/Ruminant#/media/File:Abomasum_(PSF).png https://en.wikipedia.org/wiki/Cellulase#/media/File:1NLRribbon.png https://en.wikipedia.org/wiki/PH#/media/File:PHscalenolang.svg