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Podcast: Astronomy Daily: Space News Updates
Episode: Why Haven't We Met Any Intelligent Life Yet?
Description: Tuesday November 15, 2022Today’s headline stories:This is Astronomy Daily and I'm your host, Andrew Dunkley. Coming up on today's edition, scientists have been able to trace the Earth's path through the galaxy through the discovery of crystals in our crust. So, what does that tell us? We're also going to talk about a theory as to why we haven't met any intelligent life yet and they've been able to link mass extinction events in our history with the expansion of land plants. There seems to be a correlation there. We'll also look at ghost pa...