Astronaut Scott Kelly on How to Survive Isola...

US health officials have recently reduced the childhood vaccine schedule, taking cues from Denmark's leaner approach. Dr. Sanjay Gupta travels to Copenhagen to understand why some Americans think Denmark's model is worth copying. Producer & Showrunner: Amanda Sealy Medical Writer ...  Show more

Can modern science explain, or even define, the mystery of human consciousness? Dr. Sanjay Gupta sits down with writer Michael Pollan to talk about his new book, A World Appears: A Journey Into Consciousness, and explore the unmapped territory of our inner lives. They discuss whe ...  Show more

Scott Kelly is an American engineer, retired astronaut, author and naval aviator. He is best known for spending a record-breaking year in space. He is a former US Navy fighter pilot, test pilot, and veteran of four spaceflights. Kelly commanded the space shuttle Endeavour in 2007 ...  Show more

Astronauts undergo rigorous training to prepare their bodies and minds for space, but once they arrive, the experience of being weightless thousands of miles above Earth is like nothing they’ve ever felt before. Join host Anahad O’Connor as he learns from former NASA astronaut an ...  Show more

How will BOEING, SpaceX and Virgin Galactic make space travel accessible to the rest of us? Brian attempts to answer these questions with the help of CNN Contributor and Space expert Miles O'Brien and CNN's Space Correspondent Rachel Crane. To learn more about how CNN protects li ...  Show more

With President Biden’s climate agenda on the line, a conversation with the man who literally wrote the book on clean energy, Gov. Jay Inslee. Plus: why so many nurses are quitting, and what it will take to heal the health care system. To learn more about how CNN protects listener ...  Show more