Head to linode.com/scishow to get a $100 60-day credit on a new Linode account. Linode offers simple, affordable, and accessible Linux cloud solutions and services. You might have noticed that sea urchins sometimes make some interesting fashion choices, covering themselves with all sorts of odds and ends, and it turns out they have a lot of different reasons for doing this. Hosted by: Stefan Chin SciShow is on TikTok! Check us out at www.tiktok.com/@scishow ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: scishow-tangents.simplecast.com/ Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Instagram: instagram.com/thescishow #SciShow ---------- Sources: www.gettyimages.com/detail/photo/sand-pattern-royalty-free-image/1397026160?adppopup=true www.gettyimages.com/detail/illustration/sea-urchin-vector-royalty-free-illustration/1317285449 www.gettyimages.com/detail/video/two-videos-of-caustic-waving-water-in-real-slow-motion-stock-footage/635813684?adppopup=true www.gettyimages.com/detail/photo/closeup-of-a-pacific-red-pincushion-urchin-popular-royalty-free-image/1187423329?adppopup=true www.gettyimages.com/detail/photo/california-red-sea-urchin-royalty-free-image/149125297?adppopup=true www.flickr.com/photos/49399018@N00/41935496465 www.shutterstock.com/image-photo/blue-tuxedo-urchin-mespilia-globulus-1250265103 www.thingiverse.com/thing:14698 www.inaturalist.org/observations/31993397 www.inaturalist.org/observations/81596554 www.inaturalist.org/observations/104489881 www.inaturalist.org/observations/118112641 www.inaturalist.org/observations/118126852 commons.wikimedia.org/wiki/File:Sea_urchins,_Sterechinus_neumayeri.jpg commons.wikimedia.org/wiki/File:Underwater_mcmurdo_sound.jpg www.inaturalist.org/observations/36829739 www.inaturalist.org/observations/33165902 www.inaturalist.org/observations/20329294 www.inaturalist.org/observations/73434188 www.inaturalist.org/observations/104724665 www.inaturalist.org/observations/107541278