Notre Dame philosophy professor, Meghan Sullivan, shares the journey by which – to her own surprise – she became convinced by the truth-claims of the Christian faith, and explores the top three questions she has wrestled with in terms of the rationality of holding to a “thick” and complex belief-system.

Can Christians and Muslims get along in America? That’s the question we asked Christian intellectual and Princeton law professor Robert George and Islamic scholar and Zaytuna College president Shaykh Hamza Yusuf at the San Francisco Jazz Center this Spring.

The data says we’re lying to each other about a third of the time. Philosopher Christian Miller thinks that number is actually higher. After years of researching hundreds of psychological studies that put people’s character to the test, Christian concluded that a gap exists between how good we should be and how good we actually are.

Do you dwell on the negative and let moments of joy just pass you by? Discover how the Academy Award-winning director of Inside Out got out of his head and savored the good in his life.

Is there someone important you've never properly thanked? Find out how award-winning children's book author, Yuyi Morales, discovers the power of writing a "gratitude letter" to the librarian who changed her life.

The past 10 years have seen an explosion in the scientific study of happiness. The findings so far are complex, and incomplete. But if they could be distilled into one simple prescription for happiness, it would probably be this: Say thank you. Gratitude, it seems, is a key—perhaps the key—to feeling more satisfied with your life. Learn more about the cutting-edge findings in The Science of Gratitude, a new special narrated by Academy Award-winner Susan Sarandon.

A thrilling, mind-bending view of the cosmos and of the human adventure of modern science. In a conversation ranging from free will to the meaning of the Higgs boson particle, physicist Brian Greene suggests the deepest scientific realities are hidden from human senses and often defy our best intuition.

Sheryl Sandberg is synonymous with Facebook and Silicon Valley success, and she’s the voice of Lean In. She joins us, frank and vulnerable, together with the psychologist Adam Grant. His friendship — and his research on resilience — helped her survive the shocking death of her husband while on vacation. They share what they’ve learned about planting deep resilience in ourselves and our children, and even reclaiming joy.

With his book Thinking, Fast and Slow, Daniel Kahneman emerged as one of the most intriguing voices on the complexity of human thought and behavior. He is a psychologist who won the Nobel Prize in economics for helping to create the field of behavioral economics. He is a self-described "constant worrier." And it's fun, helpful, and more than a little unnerving to apply his insights into why we think and act the way we do in this moment of social and political tumult.

Where do miracles fit in belief systems that center on God? If God exists, how could God make miracles happen, and what would miracles imply about the way God relates to the world?