Octopi are one of the smartest creatures on the planet: they play with toys, pull off daring escapes, and are masters of disguise. But they're also smart in a lot of ways that the human mind probably can't comprehend. Join Hank Green to learn more about what these amazing creatures can do! ---------- 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 Justin Ove, Andreas Heydeck, Justin Lentz, Will and Sonja Marple, Benny, Chris Peters, Tim Curwick, Philippe von Bergen, Patrick, Fatima Iqbal, Lucy McGlasson, Mark Terrio-Cameron, Accalia Elementia, Kathy & Tim Philip, charles george, Kevin Bealer, Thomas J., and Patrick D. Ashmore. ---------- 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: null ---------- 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://www.smithsonianmag.com/science-nature/ten-curious-facts-about-octopuses-7625828/?no-ist http://www.sciencedirect.com/science/article/pii/S0022098113000683 https://orionmagazine.org/article/deep-intellect/ http://www.scientificamerican.com/article/are-octopuses-smart/ http://discovermagazine.com/2003/oct/feateye https://books.google.com/books?id=JxDXCwAAQBAJ&pg=PA53#v=onepage&q&f=false http://www.ncbi.nlm.nih.gov/pubmed/6201342 http://www.angelfire.com/scifi2/ulrikegriebel/images/Byrne2002octolat.pdf http://homepage.psy.utexas.edu/homePage/Group/AnimPersInst/Animal%20Personality%20PDFs/M/Mather%20&%20Anderson(1)%201993.pdf http://www.utas.edu.au/__data/assets/pdf_file/0006/196917/2001_Early-temperamental-traits-in-an-octopus.pdf 10:276:0033:0079:en:PDF" target="_blank" rel="noreferrer noopener">http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:276:0033:0079:en:PDF http://www.biolbull.org/content/210/3/308.full http://phys.org/news/2006-11-evolution-intelligence-brains-shrunk.html