SciShow's video: This Squid Glows To Make Itself Invisible

Head to https://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. When you live in the ocean, it can be hard to find ways to keep hidden from predators, or from your own prey. But these three animals have found clever ways to stay hidden, by using light to their advantage. One of them even /makes light/, specifically to hide better! Hosted by: Reid Reimers ---------- 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: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Dr. Melvin Sanicas, Harrison Mills, Jaap Westera, Jason A Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow ---------- Sources: Lookdown fish: https://link.springer.com/article/10.1007/s12601-016-0007-y https://royalsocietypublishing.org/doi/10.1098/rsif.2014.1390 https://www.pnas.org/doi/10.1073/pnas.1222125110 ~ https://www.science.org/doi/10.1126/science.aad5284 https://pubs.aip.org/aip/adv/article/10/9/095133/991271/Hidden-triangular-grating-structures-in-biogenic ~ https://research-information.bris.ac.uk/ws/portalfiles/portal/341201469/sciadv.abq2770.pdf https://www.nsf.gov/news/mmg/mmg_disp.jsp?med_id=81422 Glass squid: https://www.mbari.org/animal/glass-squid/ https://oceanservice.noaa.gov/facts/light_travel.html https://royalsocietypublishing.org/doi/10.1098/rsif.2016.0230 https://phys.org/news/2016-06-closer-reveals-deep-ocean-squid.html Schools: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9214278/ Images https://www.gettyimages.com/detail/video/choppy-water-wavy-sea-underwater-wave-hit-on-rocks-and-stock-footage/1398507734?adppopup=true https://www.gettyimages.com/detail/video/sunset-light-underwater-slow-motion-stock-footage/1407820720?adppopup=true https://www.gettyimages.com/detail/video/pack-of-sharks-in-underwater-marine-wildlife-of-fiji-stock-footage/1316023920?adppopup=true https://www.gettyimages.com/detail/video/close-up-of-chameleon-sits-on-a-tree-branch-and-looks-stock-footage/1419979361?adppopup=true https://www.gettyimages.com/detail/video/slow-motion-calm-open-sea-at-sunset-copy-space-empty-stock-footage/1395867642?adppopup=true https://www.gettyimages.com/detail/video/salmons-stock-footage/1329962407?adppopup=true https://commons.wikimedia.org/wiki/File:Fish4445_-_Flickr_-_NOAA_Photo_Library.jpg https://commons.wikimedia.org/wiki/File:Wire-grid-polarizer.svg https://www.gettyimages.com/detail/photo/selene-vomer-selene-royalty-free-image/954666750?phrase=Selene+vomer&adppopup=true https://www.gettyimages.com/detail/video/flock-fish-underwater-sea-or-ocean-glass-fish-ambassidae-stock-footage/1454802987?adppopup=true https://www.gettyimages.com/detail/video/closeup-of-a-school-of-anchovy-fish-stock-footage/923851346?adppopup=true https://www.gettyimages.com/detail/video/numerous-shoal-of-fish-hardyhead-silverside-stands-in-stock-footage/1474504071?adppopup=true https://oceanexplorer.noaa.gov/okeanos/explorations/ex1903/logs/july6/july6.html https://commons.wikimedia.org/wiki/File:Galiteuthis_glacialis_(Ross_Sea,_Antarctica).jpg https://oceanexplorer.noaa.gov/explorations/19gulfofalaska/logs/july31/media/video/cockatoo-squid.html https://en.wikipedia.org/wiki/File:Teuthowenia_megalops_(Michael_Vecchione,_NOAA).jpg https://en.m.wikipedia.org/wiki/File:Teuthowenia_megalops_%28Prosch,_1849%29.jpg https://commons.wikimedia.org/wiki/File:Cranchiidae_sp.jpg