Why Were Sails So Popular 300 Million Years Ago

Watch Eons: Life and Death on Pangea on the free PBS App: https://to.pbs.org/EonsApp or on the web here: https://pbs.org/eons ← use this link if you are outside of the U.S. This is a tale about sails, and the enigma of why, for a brief but critical phase in the history of life, sporting a big biological billboard was all the rage. ***** PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons ***** Eons is a production of Complexly for PBS Digital Studios. Super special thanks to the following Patreon patrons for helping make Eons possible: Alli and Harry Meneses, Zach L, Brian Bertrand, TranquiliT, Rachel Godwin, Dennis Dawson, Sarah Ellis, Lea Nisay, tara thara, Casey Hague, Lianne Lairmore, raus , Douglas B, Eric Franklin, Jennifer Courtemanche, Susan Freund, Nick A, Eric Younge, IAmHere, SKS PHD, William Sunderland, Stephen A Muth III, HannahCQ, John D Elias, Sarah Grunow-Mau, Lycoperdon perlatum, Ruth Orr, Willie, Christopher Samuel, Nquiztor, Walter Ray-Dulany, Annemiek Arkema, Mary Sammartino , Steve Hill, Eric Edwards, Elyssa, Kevin Lacson, Sara Lance, Kerry Conneely, Deanna Hernandez, John Celio, Melodie Chen-Glasser, AllPizzasArePersonal, A.B. Heckert, Alex Hackman, Aaditya Mehta, Gizmo, Betsy Radley, Jason Rostoker, Brian Clubb, Concavenator Amigo, Hillary Ryde-Collins, Karen Farrell, Irene Wood, Collin Dutrow, John H. Austin, Jr., Nick Ryhajlo, Duane Westhoff, Yu Mei, Steven Kern, Albert Folsom, Nomi Alchin, Jeff Graham, Nathan Paskett, Mary Tevington, Stephanie Schlea If you'd like to support the channel, head over to   / eons   and pledge for some cool rewards! Want to follow Eons elsewhere on the internet? Facebook -   / eonsshow   Instagram -   / eonsshow   Bluesky - https://bsky.app/profile/pbseons.bsky... #Eons References: https://docs.google.com/document/d/1M...