Is it dangerous to send messages to aliens?

Daniel and Kelly explore Penrose's Orchestrated Objective Reduction Theory that aims to explain consciousness, quantum measurements, quantum gravity and anaesthesia!See omnystudio.com/listener for privacy information. 

Daniel and Kelly answer listener questions about what creates the morning fog, why bats don't get dizzy, and the cauchy horizon.See omnystudio.com/listener for privacy information. 

Earth is our home, but how much longer can it remain so? In this episode of the Stuff to Blow Your Mind podcast, Robert and Christian explore the many threats to terrestrial habitability, from the cosmically distant to the frighteningly close at hand.

Once more, Robert Lamb and Joe McCormick consult recent offerings of listener mail for your thoughts on artificial intelligence, demonic flatulence and more.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy informati ...  Show more

Given the sheer size of the universe, it's overwhelmingly likely that some form of alien life exists - so where the heck are they? Tune in to learn more.

If an advanced civilization existed on earth several million years ago, would we actually be able to detect that they were here? It may sound like conspiracy theorist bait, but a serious and balanced look at the question reveals a lot about geology, climate and the search for ali ...  Show more