Sean Carroll’s Mindscape | 25 January 2021 | 1h 40m | Listen Later 
| iTunes
Interview with Avi Loeb about his book Extraterrestrial: The First Sign of Intelligent Life Beyond. Discusses the possible existence of technologically advanced extraterrestrial civilizations; the need to take seriously the possibility that the recent interstellar interloper Oumuamua might be a spaceship; the attitude we should have towards more dramatic ideas; and the nature of science.