TED Radio Hour

As we transition to our new host Manoush Zomorodi, Guy Raz looks back on some of his favorite episodes from his seven years hosting the TED Radio Hour. This episode originally aired on June 19, 2015. We live our lives by the calendar and the clock, but time is also an abstraction, even an illusion. In this hour, TED speakers explore how our sense of time changes depending on who and where we are.

As we transition to our new host Manoush Zomorodi, Guy Raz looks back on some of his favorite episodes from his seven years hosting the TED Radio Hour. This episode originally aired on March 6, 2015. Math intimidates a lot of us, but it can deliver surprising answers to life's pressing questions. In this episode, TED speakers discuss the elegant simplicity, and giddy complexity, of solving for X.

As we transition to our new host Manoush Zomorodi, Guy Raz looks back on some of his favorite episodes from his seven years hosting the TED Radio Hour. This episode originally aired on March 8, 2013. Gazing up at the night sky is simultaneously humbling and utterly thrilling. This hour, we'll hear from TED speakers who share an infectious sense of wonder and curiosity about our place in the universe and what lies beyond our skies. Guests include physicist Brian Greene, writer Phil Plait and astronomer Jill Tarter.

As we transition to our new host Manoush Zomorodi, Guy Raz looks back on some of his favorite episodes over the past seven years. This episode originally aired on October 3, 2014. We want to be creative but channeling our creative impulses is no small feat. Is creativity something we are born with or can we learn it? In this hour, TED speakers examine the mystery of creativity. Guests include musician Sting, neuroscientist Charles Limb, author and educator Sir Ken Robinson, and writer Elizabeth Gilbert.

Life is full of moments that shape us — and if we're lucky, we might pick up some wisdom along the way. In host Guy Raz's final episode, TED speakers share some of the life lessons they've learned. Guests include writer Pico Iyer, financial literacy advocate Curtis "Wall Street" Carroll, and neuroscientist Indre Viskontas.

Essential health care is a right, not a privilege ... or is it? This hour, TED speakers explore how we can give everyone access to a healthier way of life, despite who you are or where you live. Guests include physician Raj Panjabi, former NYC health commissioner Mary Bassett, researcher Michael Hendryx, and neuroscientist Rachel Wurzman.

In this hour, TED speakers explore our origins as a species — who we are, where we come from, where we're headed — and how we're connected to everything that came before us. In an updated interview, futurist Juan Enriquez says homo sapiens are becoming a new species, right before our eyes. Other guests from the original 2014 episode include geneticist Spencer Wells, historian David Christian, paleontologist Jack Horner, and anthropologist Louise Leakey.

Original broadcast date: May 18, 2018. What motivates us to take up a cause, follow a leader, or create change? This hour, TED speakers explore stories of inspirational leadership, and what makes some movements more successful than others. Guests include high school history teacher Diane Wolk-Rogers, writer and behavioral researcher Simon Sinek, 2016 Icelandic presidential candidate Halla Tomasdottir, professor of leadership Jochen Menges, and writer and activist Naomi Klein.

We think of love as a mysterious, unknowable force. Something that happens to us. But what if we could control it? This hour, TED speakers on whether we can decide to fall in — and out of — love. Guests include writer Mandy Len Catron, biological anthropologist Helen Fisher, musician Dessa, One Love CEO Katie Hood, and psychologist Guy Winch.

Original broadcast date: October 23, 2015. The era of open source has led to countless innovations. When does it work and when is it chaos? In this episode, TED speakers explore how open source is changing how we build, collaborate and govern.

Why do we revere risk-takers, even when their actions terrify us? Why are some better at taking risks than others? This hour, TED speakers explore the alluring, dangerous, and calculated sides of risk. Guests include professional rock climber Alex Honnold, economist Mariana Mazzucato, psychology researcher Kashfia Rahman, structural engineer and bridge designer Ian Firth, and risk intelligence expert Dylan Evans.

Original broadcast date: January 3, 2014. We all have our struggles, whether they be mental, physical, or social. But what is it that makes some of us keep trying and striving to overcome despite the odds? In this hour, TED speakers tell their stories about overcoming a weakness and turning it into a strength. Guests include professor Temple Grandin, poet Shane Koyczan, psychologist Eleanor Longden, and educator Kakenya Ntaiya.

Original broadcast date: June 27, 2014. When is copying flattery, when is it thievery, and when is it sheer genius? In this hour, TED speakers explore how sampling, borrowing, and riffing make all of us innovators. Guests include DJ Mark Ronson, filmmaker Kirby Ferguson, media and entertainment expert Johanna Blakley, and writer Steven Johnson.

Anger is universal and complex: it can be quiet, festering, justified, vengeful, and destructive. This hour, TED speakers explore the many sides of anger, why we need it, and who's allowed to feel it. Guests include psychologists Ryan Martin and Russell Kolts, writer Soraya Chemaly, former talk radio host Lisa Fritsch, and business professor Dan Moshavi.

Many of us either cope with mental illness or know someone who does. But we still have a hard time talking about it. This hour, TED speakers explore ways to push past — and even erase — the stigma. Guests include musician and comedian Jordan Raskopoulos, neuroscientist and psychiatrist Thomas Insel, psychiatrist Dixon Chibanda, anxiety and depression researcher Olivia Remes, and entrepreneur Sangu Delle.

Original broadcast date: April 17, 2015. Humans need food, sleep, safety, love, purpose. Psychologist Abraham Maslow ordered our needs into a hierarchy. This week, TED speakers explore that spectrum of need, from primal to profound. Guests include psychologist Margie Lachman, neuroscientist Russell Foster, computer security expert Bruce Schneier, journalist Sebastian Junger, activist Caroline Casey, and psychologist Mihaly Csikszentmihalyi.

More than test scores or good grades — what do kids need to prepare them for the future? This hour, guest host Manoush Zomorodi and TED speakers explore how to help children grow into better humans, in and out of the classroom. Guests include educators Olympia Della Flora and Liz Kleinrock, psychologist Thomas Curran, and writer Jacqueline Woodson.

Original broadcast date: November 10, 2017. Art can evoke powerful feelings. But can it do more? This hour, TED speakers share ideas on the transformative nature of art and its ability to shape the way we see ourselves and the world around us. Guests include painter and sculptor Titus Kaphar, painters Dre Urhahn and eL Seed, textile artist Magda Sayeg, and conductor Benjamin Zander.

The past few years have ushered in an explosion of new discoveries about our universe. This hour, TED speakers explore the implications of these advances — and the lingering mysteries of the cosmos. Guests include theoretical physicist Allan Adams, planetary scientist Sara Seager, and astrophysicists Natasha Hurley-Walker and Jedidah Isler.

Original broadcast date: February 20, 2015. The brain can seem as mysterious as a distant galaxy, but scientists are starting to map and manipulate its many regions. In this hour, TED speakers take us on a trip through the human brain. Guests include neuroanatomist Jill Bolte-Taylor, neuroscientists Suzana Herculano-Houzel, Nancy Kanwisher, and Rebecca Saxe, and philosopher David Chalmers.