If the deep laws of the universe had been ever so slightly different human beings wouldn't, and couldn't, exist. All explanations of this exquisite fine-tuning, obvious and not-so-obvious, have problems or complexities. Natural or supernatural, that is the question. Free access to Closer to Truth's library of 5,000 videos: http://bit.ly/376lkKN Watch more interviews on fine tuning: https://bit.ly/3BvzW7Q Lee Smolin is an American theoretical physicist, a researcher at the Perimeter Institute for Theoretical Physics, and an adjunct professor of physics at the University of Waterloo. He is best known for his work in loop quantum gravity. Register for free at CTT.com for subscriber-only exclusives: http://bit.ly/2GXmFsP Closer to Truth, hosted by Robert Lawrence Kuhn and directed by Peter Getzels, presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.