Hugo Lagercrantz tells Morgan Freeman that fishes can't experience the psychological aspects of pain because they lack thalamocortical connections. Lagercrantz says, "Thalamocortical connections are crucial for consciousness." <br />Freeman interviews experts regarding the transition from non-living to living forms of life. <br /><br />Thanks for watching. Follow for more videos. <br />#cosmosspacescience <br />#throughthewormhole <br />#season4 <br />#episode2 <br />#cosmology <br />#astronomy <br />#spacetime <br />#spacescience <br />#space <br />#nasa <br />#howthelifebegan <br />#spacedocumentary <br />#morganfreeman <br />#formsoflife <br />
