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Download stats for recent episodes are updated about once a week. Older episodes are only updated when they pass a multiple of 100Color Scheme:RecordedTopic Discussion StartedInvitations SentNo ShowJoin the Panel Pool
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Session #Recording Date (ET)Ep. #D/LsD/Ls 2ndTopic(s) and Relevant LinkStart UTCHostSpecial GuestP1P2P3P4P5Bench
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9912-Nov-18TBATBAThe Euro edition18:00Paul Carr-
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989-Nov-1810010111859North American farewell3:00Paul Carr-Ciro VillaMike BohlerMike MongoNick NielsenSam Lichtenstein
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9726-Oct-189899161142Halloween stuff2:00Paul Carr-Mike BohlerNick NielsenNick Nielsen, Sam Lichtenstein
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9628-Sep-1897244Dear Moon+2:00Paul Carr-Nick NielsenNick Nielsen, Sam Lichtenstein
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9514-Sep-1896233Meta episode - solo2:00Paul Carr
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9431-Aug-189495251235More on metamathematics2:00Paul Carr-Buck FieldNick Nielsen
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9317-Aug-1893266Summer 2018 non-episode2:00Paul Carr-David GriggNick NielsenSam LichtensteinMike BohlerNick Nielsen
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927/27/201892303Mars and the Moon2:00Paul Carr-David GriggPatrick FestaNick NielsenAdam Smith, Sam Lichtenstein, Nick Nielsen, Buck Field
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915/25/201891378Lost Languages2:00Paul Carr-Sam LichtensteinPatrick FestaNick NielsenNick Nielsen, DeanCallahan, Patrick Festa
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904/20/201890416The 10,000 Year Sea Nomads2:00Paul Carr-Sam LichtensteinNick Nielsen
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894/6/201889374Existential Risk2:00Paul Carr-Sam LichtensteinGita JaisinghaniAdam SmithNick NielsenNick Nielsen, Gita Jaisinghani, Patrick Festa
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882/16/201888416History and Philosophy of Science3:00Paul CarrChad DaviesSam LichtensteinPatrick Festa
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871/26/201887358Kids in Space3:00Paul CarrPaul HildebrandtMike MongoJon EckbergNick Nielsen
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861/19/201886490Drake Equation and 'Oumuamua3:00Paul Carr-Buck FieldJon EckbergPatrick FestaNick NielsenMike Bohler
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851/5/201885367Lunar Colonization3:00Paul Carr-Adam SmithBuck FieldPatrick FestaNick NielsenNick Nielsen,Sam Lichtenstein
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12/22/2017no show - holiday break
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8412/8/201784428The risks of METI and religious aliens3:00Paul Carr-Sam LichtensteinNick NielsenPatrick FestaNick Nielsen, Buck Field, Adam Smith, Patrick Festa, Sam Lichtenstein
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11/24/20171014no show - US holiday
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8311/10/201783359Education and so forth3:00Paul Carr-James GarrisonPatrick FestaNick NielsenNick Nielsen
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8210/27/201782380Urban Legends2:00Paul Carr-James GarrisonMike BohlerNick NielsenNick Nielsen
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8110/20/2017815402 years of WTF?2:00Paul CarrEva BodmanAdam Smith
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8010/6/201780420Mars2:00Paul CarrJake Robins of WeMartiansSam Lichtenstein
Adam SmithNick Nielsen
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799/15/201779552Przybylski's Star Stuff2:00Paul Carr-Sam LichtensteinAdam SmithNick Nielsen
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789/4/201778610Recent FRB announcement18:00Paul Carr-Nick NielsenGita J., Nick Nielsen, Sam Lichtenstein
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778/25/201777607Meta METI2:00Paul Carr - Sam LichtensteinNick NielsenNick Nielsen
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768/11/201776632Summer hiatus non-episode2:00Paul Carr-Mike BohlerSam LichtensteinPatrick FestaNick Nielsen
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756/16/2017751014Life, Universe Today, & Everything0:00Adam SmithFraser CainMateusz MaciasDaniela DePaulisMike MongoPaul Carr
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746/2/201774828Exoplanet atmospheres and moving to Mars2:00Adam Smith-Ryan MacDonaldPaul CarrCiro Villa
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735/19/201773691Virology of Space and related topics2:00David GriggMadison CampbellPaul Carr
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724/21/201772806Self-contained ecosystems for Mars habitats2:00Sam LichtensteinMorgan IronsAdam SmithPaul CarrNick Nielsen
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714/7/201771804Economics/business/engineering of a space startup2:00Sam LichtensteinLee IronsPaul CarrNick Nielsen
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703/24/201770616Science Fiction Films2:00David Grigg-Nick NielsenPatrick FestaBuck FieldPaul Carr
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693/10/2017691030Exoplanets3:00Paul Carr-Buck FieldDavid GriggPatrick FestaNick Nielsen
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682/24/201768702Military Aviation3:00Adam Smith-Kenneth WisianAntonio ParisSam Lichtenstein
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672/10/201767572Science Controversies3:00Paul Carr-Buck FieldPatrick FestaNick NielsenNielsen
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661/27/2017661239Bootstrapping the Space Economy3:00Paul Carr-Sam LichtensteinChris ProphetNielsen
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651/13/2017651364Megastructures3:00Paul Carr-Marsha BarnhartSam LichtensteinDavid GriggNick NielsenNielsen, Festa
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6412/9/201664759Bring Your Own Near-term Prediction3:00Paul Carr-Chris ProphetKenneth WisianAdam SmithNick NielsenNielsen
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6312/2/201663734Nanotechnology3:00Paul Carr-Marsha BarnhartMateusz MaciasNick NielsenNielsen, Wisian
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6210/28/2016621202The Greys Have Been Framed2:00Paul CarrJack BrewerMarsha BarnhartJames GarrisonRoger WehbeCiro VillaNielsen, Grigg
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6110/14/2016611542Tabby's Star preprint anniversary2:00Paul Carr-Adam Smith
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609/30/2016601031Space X Mars Plans2:00Paul Carr-Chris ProphetSam LichtensteinRoger Wehbe
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599/16/2106591075Deep Time and its Malcontents2:00Paul Carr-David GriggChris ProphetRober WehbeNick Nielsen
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589/2/201658634Nuclear Fusion and AI Ethics2:00Paul Carr-James GarrisonChris ProphetSam Lichtenstein
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578/19/201657446Future of Humanity1:00David Grigg-Chris ProphetPatrick FestaNick Nielsen
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568/12/201656528Saturn and astrobiology2:00Paul CarrMorgan RehnbergAdam SmithMateusz MaciasChris ProphetMarsha Barnhart
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557/15/201655603Mike Mongo is now a superstar2:00Paul Carr-Mike MongoNick NielsenPatrick Festa
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547/4/201654340Science and Art and more2:00Paul Carr-Daniela DePaulisAdam SmithGita Jaisinghani
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536/10/201653652Space War + Gene Editing2:00Paul Carr-Nick NielsenMarsha BarnhartAdam Smith
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525/27/201652776Space X to Mars, simulations, CRISPR, and monuments to Man2:00Paul Carr-David GriggMarsha BarnhartChris ProphetPatrick Festa
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515/13/201651404The Human Side of Space Development2:00Paul Carr-David GriggMarsha BarnhartPatrick FestaLiam Ginty
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504/29/201650805Forecasting and Prediction2:00Paul Carr-Sam LichtensteinAdam SmithPatrick FestaMike Bohler
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494/15/201649507Very Long Term Preservation of knowledge and culture2:00Paul Carr-David GriggMarsha BarnhartNick Nielsen
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484/1/201648517Hoaxes2:00James Garrison-David GriggMike MongoMike BohlerMarsha Barnhart
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473/18/201647530Bring Your Own Topic2:00Paul Carr-James GarrisonMike BohlerNick Nielsen
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463/11/201646550Anomalies3:00Paul Carr-Adam SmithCiro VillaMarsha BarnhartPatrick Festa
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453/4/201645726Fast Radio Bursts3:00Paul Carr-Adam SmithJames GarrisonMarsha BarnhartNick Nielsen
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442/19/2016441159First Contact with ET Civlizations3:00Paul Carr-Adam SmithCiro VillaNick NielsenPatrick Festa
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432/12/201643585Skepticism and everything else3:00Paul CarrBob NovellaMateusz MaciasJames GarrisonAdam SmithMike BohlerNick Nielsen
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422/5/201642479AI Ethics3:00Paul Carr-David GriggPatrick FestaMike Bohler
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411/29/201641466Commercial Space3:00Paul Carr-Adam SmithJames GarrisonPatrick FestaMike Bohler
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401/22/201640606Planet X, Tabby's Star and more3:00Paul Carr-Nick NielsenPatrick FestaAdam SmithCiro Villa
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391/15/201639515Lunar Colonization3:00Paul Carr-Ryan MacDonaldAdam SmithDavid Grigg
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381/8/201638730Have ETs ever visited Earth?3:00Paul Carr-Ted RoeMike BohlerJeff BoerstNick Nielsen
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3712/18/201537565Space Science and Exploration3:00Paul Carr-Adam SmithJames GarrisonPatrick Festa
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3612/11/2015361062Exoplanets & Drake Equation3:00Paul Carr-Nick NielsenJames GarrisonAdam SmithMarsha Barnhart
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3512/6/201535711Superintelligence16:00Paul Carr-Jeff BoerstBuck FieldAdam SmithPatrick Festa
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3411/20/201534355Transportation2:30Paul Carr-Adam SmithMarsha BarnhartNick NielsenMike BohlerMateusz Macias
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3311/13/201533317Asteroid Mining2:00Paul CarrJames MuncyMike MongoJames GarrisonBuck Field
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3211/6/201532302Science Fiction2:00Paul Carr-David GriggJames GarrisonPatrick FestaNick Nielsen
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3110/30/201531414Cryptids.2:00James GarrisonC-Webb, David FloraPaul CarrMike BohlerMarsha Barnhart
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3010/23/201530310Transhumanism2:00Paul CarrTim ShankMarsha BarnhartNick NielsenBuck FieldAdam Smith
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2910/16/201529662Alien Megastructures2:00Paul Carr-Mike BohlerJames GarrisonBuck FieldAdam Smith
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2810/9/201528367Solar System Exploration0:00Adam Smith-Patrick FestaNick Nielsen
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2710/2/201527957Mars One2:00Paul CarrRyan MacDonald, Dianne McGrath, Oscar MathewsAntonio ParisAdam SmithDavid GriggPatrick Festa
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269/25/201526262Meta2:00Paul Carr-Buck FieldJames GarrisonPatrick FestaCiro VillaMike Bohler
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259/18/201525307Exoplanets and astronomy2:00Paul Carr-James GarrisonNick NielsenAdam SmithMateusz Macias
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249/11/201524411Panspermia2:00Paul Carr-Adam SmithPatrick FestaJames GarrisonBuck Field
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239//7/201523240Science Reproducibility19:00Paul Carr-Gita JainsinghaniLacerant PlainerAdam SmithNick Nielsen
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229/4/201522340Starship Congress2:00Paul Carr-Buck FieldNick NielsenJames GarrisonAdam SmithMike Mongo
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218/28/201521415Mars One2:00James Garrison-Mateusz MaciasPatrick Festa
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208/21/201520409Astronomy & Citizen Science1:00Paul CarrPamela GayAdam SmithCiro VillaMateusz MaciasAntonio ParisPatrick Festa
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198/14/201519414Exoplanets and astronomy2:00Paul Carr-Ciro VillaAdam SynergyPatrick Festa
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188/7/201518264Science Literacy2:00Paul Carr-Patrick FestaJames GarrisonNick Nielsen
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178/14/201517274SETI + the Future of Humanity2:00Paul Carr-Buck FieldMike BohlerJames GarrisonPatrick FestaNick Nielsen
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167/24/210516408Astrophysics1:00Paul CarrBrian KoberleinCiro VillaAdam SmithPatrick Festa
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157/17/201515502Pluto Flyby and other space stuff.3:00Paul Carr-Adam SmithJames GarrisonMike Mongo
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147/10/201514406Evolution;epigenetics; designer babies2:00Paul Carr-Chelsea VillanuevaPatrick Festa
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137/3/201513401Space Exploration, The Elders19:00Paul Carr-Adam SmithChris McGinlayMike BohlerNick Nielsen
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126/26/201512501Starship Congress2:00James GarrisonAndreas TziolasMike MongoBuck FieldAndrew Boyter
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116/19/201511702Conspiracies in Space1:00Paul Carr-TJ MulichMike BohlerJames GarrisonPatrick FestaNick Nielsen
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106/12/201510410Europa exploration1:00Paul Carr-Andrew BoyterDavid GriggJames GarrisonPatrick Festa
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96/5/20159417How Not to Science1:00Paul Carr- James Garrison
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85/22/20158449Exploring SpacePaul Carr-David GriggMike BohlerJames GarrisonNick Nielsen
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75/15/20157700Fermi ParadoxPaul Carr-Mike MongoDavid GriggJames Garrison
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65/8/20156709Faster than Light?Paul Carr-Buck FieldMike BohlerPatrick Festa
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55/1/20155556GHAT, Ellen StofanPaul Carr-James GarrisonCiro VillaNick Nielsen