Astrophysicist Mario Livio, the bestselling author of _The Golden Ratio, Is God a Mathematician?_, _Brilliant Blunders_, and _The Accelerating Universe_—for a discussion of his latest book, _Why?: What Makes Us Curious_. Livio discusses investigating perhaps the most human of all our characteristics—curiosity—and explores our desire to ask "why?" Photo Credit:[pixabay](https://pixabay.com/"")
Mario Livio, Ph.D., astrophysicist (Hubble Space Telescope until 2015) and best-selling author of eight books, including 'The Golden Ratio', 'Brilliant Blunders', and 'Galileo', and has published more than 500 scientific articles, significantly contributing to topics ranging from cosmology, supernova explosions, and black holes to extrasolar planets and the emergence of life in the universe.