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Go to first unread post Terraformed Mars in the 19th Century (Pages: 1 2 )
Cray, 04-21-2015, 02:49 AM
 12 28,380 04-26-2015, 06:20 PM
Last Post: stevebowers
   
Go to first unread post A novel threat to high technology (Pages: 1 2 )
iancampbell, 06-07-2015, 02:54 PM
 12 25,635 06-11-2015, 12:54 PM
Last Post: JohnnyYesterday
    12 22,101 02-17-2017, 10:00 PM
Last Post: iancampbell
   
Go to first unread post Methane Photosynthesis (Pages: 1 2 )
Vaktus, 11-16-2018, 06:27 AM
 12 17,131 12-27-2018, 11:55 AM
Last Post: extherian
    12 14,700 10-11-2019, 08:19 AM
Last Post: Avengium
   
Go to first unread post Pre-Modern Astronomy vs Habitable Venus (Pages: 1 2 )
Cray, 05-27-2020, 10:57 PM
 12 12,546 05-31-2020, 10:53 AM
Last Post: Cray
    13 37,873 02-01-2014, 03:11 AM
Last Post: stevebowers
    13 32,966 06-16-2016, 03:59 PM
Last Post: Matterplay1
   
Go to first unread post Water? In MY upper mantle? (Pages: 1 2 )
Michael Douglas, 06-15-2014, 03:54 AM
 13 32,342 07-14-2014, 11:57 AM
Last Post: xsampa
   
Go to first unread post Warp and Reactionless drive topic (Pages: 1 2 )
viperzerofsx, 04-28-2015, 02:21 AM
 13 29,110 05-03-2015, 05:19 AM
Last Post: viperzerofsx
   
Poll: Go to first unread post On creating the kind of AI that humans imagine (Pages: 1 2 )
Bear, 01-20-2017, 03:53 PM
 13 24,791 01-27-2017, 06:45 AM
Last Post: Avengium
    13 22,043 03-12-2017, 03:13 PM
Last Post: Drashner1
   
Go to first unread post Ross 128b (Pages: 1 2 )
Cray, 11-16-2017, 01:59 AM
 13 22,375 10-11-2018, 08:16 AM
Last Post: Cray
    14 40,691 03-05-2014, 07:12 AM
Last Post: iancampbell
   
Go to first unread post FM-2030 (Pages: 1 2 )
xsampa, 06-24-2014, 02:38 AM
 14 33,116 07-22-2014, 04:13 AM
Last Post: xsampa
   
Go to first unread post What does Post-Monetarism Mean? (Pages: 1 2 )
stevebowers, 09-28-2014, 08:40 PM
 15 40,994 05-12-2016, 09:21 AM
Last Post: Worldtree
   
Go to first unread post Breakthrough Starshot (Pages: 1 2 )
PortalHunter, 04-13-2016, 10:28 AM
 15 31,725 05-08-2016, 03:19 AM
Last Post: iancampbell
   
Go to first unread post Gamma-ray shielding against bursters (Pages: 1 2 )
stevebowers, 11-11-2016, 06:12 AM
 15 29,057 11-17-2016, 09:39 PM
Last Post: Cray
   
Go to first unread post The case for Autointerdiction. (Pages: 1 2 )
Bear, 01-17-2017, 07:01 AM
 16 31,024 01-23-2017, 07:31 AM
Last Post: Drashner1
   
Go to first unread post The Last Pandemic In Human History (Pages: 1 2 )
Bear, 05-09-2021, 12:04 PM
 16 10,839 07-08-2021, 04:06 PM
Last Post: Rakeela


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