This week on the penguin podcast, Nihal Arthanayake is joined by theoretical physicist, futurist, and popularizer of science, Michio Kaku. Together they discuss string theory, the unifying threads of different religious beliefs, human curiosity and the barriers to scientific thinking.Don't forget to follow the show so you never miss an episode, and do leave us a review as it really does help. To find out more about the #PenguinPodcast, visit https://www.penguin.co.uk/podcasts.html. See acast.com/privacy for privacy and opt-out information.