What If Intelligence Re-Emerges?

Visit our sponsor, Brilliant.org: https://brilliant.org/CoolWorlds. Astronomers are on a quest to search for life in the Universe. Two different pathways lay ahead for this hunt, biosignatures and technosignatures. Today, we discuss the arguments for and against each and consider that intelligence could be a far more persistent phenomenon that we might naively think - with important consequences for astronomers... Written and presented by Prof David Kipping of Columbia University → Support our research program: https://www.coolworldslab.com/support → Get Stash here! https://teespring.com/stores/cool-worlds-store THANK-YOU to our supporters T. Widdowson, D. Smith, M. Sloan, L. Sanborn, C. Bottaccini, D. Daughaday, A. Jones, S. Brownlee, Z. Star, T. Zanjonc, C. Wolfred, F. Rebolledo, L. Skov, E. Wilson, M. Elliott, B. Daniluk, J. Patrick-Saunders, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, V. Alexandrov, L. Macchia, C. Souter, M. Gillette, T. Jeffcoat, H. Jensen, F. Linker, J. Rockett, N. Fredrickson, B. Mlazgar, D. Holland, J. Alexander, E. Hanway, J. Molnar, D. Murphree, S. Hannum, T. Donkin, K. Myers, A. Schoen, K. Dabrowski, J. Black & R. Ramezankhani. ::Music:: Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], or via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/by/4.0/), or with permission from the artist ► Joachim Heinrich - Stratosphere ► Brad Hill - A Slowly Lifting Fog [https://open.spotify.com/track/0GgkyL3y22kFslT6wUsKlt?si=35f82c623b9f486d] ► Chris - Cylinder Five ► Falls - Life in Binary ► Chris - Cylinder Five ► Falls - Ripley ► Chris - The Sun is Scheduled to Come Out Tomorrow ► Joachim Heinrich - Y ► Indive - Trace Correction ::Video clips:: ► Iceland footage by Louis Houiller ► Canada footage by Florian Nick/Arc'teryx ► Starry timelapse by Kuba Jurkowski ► Earth zoom-out by ESO/L. Calçada/M. Kornmesser ► Flask burning video by Science Skool ► Plankton bloom by Planet Ocean ► Wildfire footage by Meese Engine and The Atlantic ► Space debris animation by ESA ► JWST footage by NASA's Goddard Space Flight Center ► HabEx animation by NASA/JPL/Caltech ► LUVOIR animation by NASA's Goddard Space Flight Center ► The Thinker by Great Art Explained ► Rotating planet animation by Space Telescope Science Institute’s Office of Public Outreach ► Paranal timelapse ESO/S. Guisard ► Oumuamua animation by ESO, M. Kornmesser, L.Calcada ► Colonization animation by Jonathan Carroll-Nellenback ► Sun evolving animation by ESA/Hubble (M. Kornmesser & L. L. Christensen) ► K2-18b animation by ESA/Hubble, M. Kornmesser ► Earth methane animation by NASA's Scientific Visualization Studio ► Greenhouse gas animation by djxatlanta ► Curiosity animation by NASA Jet Propulsion Laboratory ► Stomatalites by Ed Austin ► Chlorophyll video by Sci- Inspi ► Bacteria videos by Nikon Small World 2020 ► Radio animation by Saturday's World ► NYC timelapse by the TV Series Metropolis ► Antartica base footage by the Smithsonian Channel ► Tristan de Cuna footage by Redfern Natural History Productions ► Easter Island drone footage by Michael Kohen ► Amazonian tribe footage by the BBC ► Hunting humans reconstruction by NHK WORLD-JAPAN ► Chimpanzee footage by BBC ► Earth in 4k by NASA/ESA/M.Kornmesser ► RCP 8.5 simulation by NASA's Scientific Visualization Studio and NASA Center for Climate Simulation ► Solar farms footage by VISION ► Wind farm footage by Jamie Jenkins ► Pyramid footage by Explore&Share ► Easter Island footage by EasterIslandWTM ► Stonehenge timelapse by Stonehenge Dronescapes ► Supercomputer footage by Verge Science ► Dancing robots by Boston Dynamics ► LUVOIR unfolding by AURA ::Film/TV clips used:: ► Papillon (2017) Bleecker Street ► Star Wars: The Last Jedi (2017) Walt Disney Studios Motion Pictures ► Ad Astra (2019) 20th Century Fox ► Gravity (2013) Warner Bros. Pictur Learn more about your ad choices. Visit megaphone.fm/adchoices