When are we going to start time travelling? Why does our brain slow down in near-death experiences? And how do we know what it's like to lick different surfaces?  Dr Karl, Professor Geraint Lewis and Caitlin Thurn answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl And search Artemis Project to find out more about the work Caitlin does supporting students through their education.