Living Fossils Are Dead! Long Live Living Fossils

Scientists are looking to end how we categorize living fossils, and in doing so, give the phrase new life.SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription. Hosted by: Hank GreenSciShow 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:Alisa Sherbow, Silas Emrys, Drew Hart. Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Christopher R Boucher, Eric Jensen, Adam Brainard, Nazara, GrowingViolet, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, charles george, Alex Hackman, Chris Peters, Kevin Bealer, 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:https://www.sciencedirect.com/science/article/pii/S0098847219305490#bib0040https://palaeo-electronica.org/content/2018/2194-quantifying-the-living-fossilhttps://www.smithsonianmag.com/smart-news/theres-no-such-thing-as-a-living-fossil-14360996/https://www.nytimes.com/2019/06/03/science/crocodiles-dinosaurs-metabolism.htmlhttps://www.nationalgeographic.com/science/article/crocodiles-are-not-living-fossilshttps://www.nature.com/articles/s42003-020-01561-5https://www.sciencedaily.com/releases/2021/01/210107083751.htmhttp://www.sci-news.com/biology/coelacanth-genes-09341.htmlhttps://www.eurekalert.org/pub_releases/2021-02/uot-nal020321.phphttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC23015/https://www.bbc.com/news/science-environment-38057741https://gigascience.biomedcentral.com/articles/10.1186/s13742-016-0154-1https://e360.yale.edu/features/peter_crane_history_of_ginkgo_earths_https://www.iucnredlist.org/search?query=coelacanth&searchType=specieshttps://www.nature.com/articles/nature12027https://theconversation.com/we-scanned-one-of-our-closest-cousins-the-coelacanth-to-learn-how-its-brain-grows-115147https://www.nature.com/articles/s41467-019-12133-5https://www.iucnredlist.org/species/32353/9700472Images:https://www.istockphoto.com/photo/croc-gm1057125426-282521010https://www.istockphoto.com/photo/horseshoe-crab-sitting-on-the-beach-gm158589282-22493028https://commons.wikimedia.org/wiki/File:Deinosuchus_hatcheri_-_Natural_History_Museum_of_Utah_-_DSC07251.JPGhttps://en.wikipedia.org/wiki/File:Fossil_horseshoe_crab_dead_in_its_tracks.jpghttps://www.istockphoto.com/photo/crocodile-skull-gm173017618-7176651https://www.istockphoto.com/photo/american-alligator-swimming-in-the-spring-swamp-gm1171368832-324498924https://www.istockphoto.com/photo/great-white-shark-smile-gm533130811-56157656https://www.istockphoto.com/photo/close-up-of-ginkgo-biloba-leaves-back-lit-gm97119026-6981768https://www.eurekalert.org/multimedia/pub/255382.phphttps://www.istockphoto.com/photo/coelacanth-gm1307878517-398020225https://www.istockphoto.com/photo/horseshoe-crab-on-the-beach-gm518653826-90151855https://www.eurekalert.org/multimedia/pub/112655.phphttps://www.istockphoto.com/photo/horseshoe-crab-and-sand-gm1150525195-311479706https://www.istockphoto.com/photo/saltwater-crocodile-leap-out-of-the-water-gm533923648-94636473