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Back up to: TED Radio Hour

1. The Big Five

   26/26 Host Guy Raz explores the five biggest global challenges humans face.
2. Simple Solutions

   25/26 Guy Raz explores the often challenging world of simple solutions.
3. How Art Changes Us

   24/26 Guy Raz explores the transformative nature of art.
4. Hardwired

   23/26 Host Guy Raz asks how much of who we are is biology? How much can we change?
5. Rethinking School

   22/26 Guy Raz explores how we can rethink the education system to benefit students.
6. Prevention

   21/26 Ideas about prevention - what to do today, in order to prepare ourselves for tomorrow.
7. Wired For Altruism

   20/26 What motivates or limits us to be altruistic, and do we ever go too far?
8. The Digital Industrial Revolution

   19/26 The exciting - and terrifying - future of human-robot collaboration.
9. The Spirit of Inquiry

   18/26 Guy Raz explores how a more humble style of inquiry may achieve the next big breakthrough.
10. The Five Senses

    17/26 Guy Raz explores how our brains make sense of sensation, and our minds create 'reality'.
11. The Food We Eat

    16/26 Guy Raz explores how there's more to food than simple nourishment.
12. Toxic

    15/26 Guy Raz asks, 'Should we accept our toxic world as a reality or can we make a change?'
13. Failure Is an Option

    14/26 Guy Raz explores how failure can clear the way for success.
14. Nudge

    13/26 Guy Raz explores the positive ‘nudges’ in behaviour for managing aspects of our lives.
15. Building Better Cities

    12/26 Guy Raz explores how cities can change the world.
16. Adaptation

    11/26 Guy Raz explore ideas about human adaptability.
17. Fighting Cancer

    10/26 Guy Raz explores ideas about detecting, curing and living with cancer.
18. Finite

    9/26 Guy Raz explores ideas about living with less in a world with finite resources.
19. Quiet

    8/26 Guy Raz explores ways to find quiet in this busy world.
20. Getting There

    7/26 Guy Raz explores how future transportation can become faster, cleaner and cooler.
21. Spoken and Unspoken

    6/26 Guy Raz explores how words and methods of communication affect us.
22. Haves and Have Nots

    5/26 Guy Raz explores the reasons behind global wealth inequality.
23. Collaboration

    4/26 Guy Raz explores the positive benefits of mass collaboration.
24. Turning Points

    3/26 Guy Raz explores the moments that can change people’s lives.
25. Unstoppable Learning

    2/26 Guy Raz explores the extraordinary ways babies and children learn.
26. What is Beauty?

    1/26 Guy Raz investigates whether humans are hardwired to crave and respond to beauty?
27. Disruptive Leadership

    Guy Raz explores what it takes to become a leader and shake up the status quo.