The New Oldest Animal Fossils?

A new study reports what might be the oldest fossil animals ever found. And we're also learning more about what role the hippocampus plays in certain types of visual memory. Hosted by: Hank Green SciShow 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: Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, KatieMarie Magnone, Eric Jensen, Adam Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Drew Hart, Sam Lutfi, Alisa Sherbow, Jason A Saslow ---------- 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: https://www.nature.com/articles/s41586-021-03773-z https://press.springernature.com/possible-poriferan-body-fossils-in-early-neoproterozoic-microbia/19347570 https://pubs.usgs.gov/fs/2007/3015/fs2007-3015.pdf https://science.sciencemag.org/content/366/6471/1333.full https://www.eurekalert.org/emb_releases/2021-07/piam-bc071921.php http://dx.doi.org/10.1016/j.cub.2021.06.079 Images: https://www.istockphoto.com/photo/seascape-of-coral-reef-in-the-caribbean-sea-around-curacao-with-various-corals-and-gm1042997770-279209291 https://www.istockphoto.com/photo/animals-of-the-cambrian-period-underwater-scene-with-anomalocaris-opabinia-gm1155964966-314896881 https://www.nature.com/articles/s41586-021-03773-z#Fig4 https://www.inaturalist.org/photos/136803694 https://www.istockphoto.com/photo/view-of-the-earth-from-space-gm482119728-69834959 https://commons.wikimedia.org/wiki/File:Pavilion_Lake_microbialite_towers.jpg https://www.jpl.nasa.gov/images/lake-salda-rocks https://www.istockphoto.com/vector/hippocampus-vector-illustration-labeled-diagram-with-isolated-closeup-gm1053259742-281397203 https://www.istockphoto.com/photo/stained-glass-seamless-texture-with-rectangle-pattern-for-window-colored-glass-3d-gm1191619458-338248677 https://www.istockphoto.com/photo/stained-glass-seamless-texture-colored-glass-with-rhombus-pattern-for-window-3d-gm1198679781-342668517 https://www.istockphoto.com/vector/how-eye-work-medical-illustration-eye-brain-diagram-eye-structure-and-connection-gm922038408-253156029 https://www.eurekalert.org/multimedia/530056 https://www.istockphoto.com/photo/wheres-waldo-gm95505710-11524580 https://www.istockphoto.com/vector/light-bulb-with-rays-lighting-electric-lamp-creative-idea-solution-thinking-concept-gm1149246206-310650269