An exploration of the notion that most inhabited worlds in the universe are oceanic worlds with no land, and thus cannot support a technological civilization even if intelligence is present. My new clips channel: https://www.youtube.com/channel/UCwwuMqY1SXZhTB5hIFFUmlg/about My Patreon ...

English science-fiction writer Arthur C. Clarke discusses the on-going theories of U.F.O sightings and how he once believed he had seen one over New York as well as rumours that there are lifeforms being hidden at army bases. Date aired - July 12, 1972 - Arthur C. Clarke and Cassie Mackin For ...