Results come from Exumo's own index. Data from YouTube; Exumo is not affiliated with YouTube.

1. 13:04

   Thomas Insel: Toward a new understanding of mental illness

   TED · Apr 16, 2013 · 204.6K views

2. 14:02

   Rose George: Let's talk crap. Seriously.

   TED · Apr 15, 2013 · 176.6K views

3. 12:35

   Laura Snyder: The Philosophical Breakfast Club

   TED · Apr 12, 2013 · 118.5K views

4. 16:00

   Eric Dishman: Health care should be a team sport

   TED · Apr 11, 2013 · 128K views

5. 20:27

   What makes us feel good about our work? | Dan Ariely

   TED · Apr 10, 2013 · 1.1M views

6. 5:51

   Keller Rinaudo: A mini robot -- powered by your phone

   TED · Apr 9, 2013 · 77.5K views

7. 15:11

   Freeman Hrabowski: 4 pillars of college success in science | TED

   TED · Apr 8, 2013 · 105.6K views

8. 17:53

   Ken Jennings: Watson, Jeopardy and me, the obsolete know-it-all

   TED · Apr 5, 2013 · 258.4K views

9. 8:23

   The emergence of "4D printing" | Skylar Tibbits

   TED · Apr 4, 2013 · 1.1M views

10. 18:20

    We the People, and the Republic we must reclaim | Lawrence Lessig

    TED · Apr 3, 2013 · 312.8K views

11. 4:21

    A skateboard, with a boost | Sanjay Dastoor

    TED · Apr 2, 2013 · 589.9K views

12. 11:53

    Kees Moeliker: How a dead duck changed my life

    TED · Apr 1, 2013 · 163.5K views

13. 13:50

    When you're making a deal, what's going on in your brain? | Colin Camerer

    TED · Mar 28, 2013 · 188.5K views

14. 7:21

    Richard Turere: My invention that made peace with lions

    TED · Mar 27, 2013 · 672.6K views

15. 5:32

    Mark Shaw: One very dry demo

    TED · Mar 26, 2013 · 238.4K views

16. 8:44

    Jessica Green: Good germs make healthy buildings

    TED · Mar 25, 2013 · 51.5K views

17. 12:33

    Eric Whitacre: Virtual Choir Live

    TED · Mar 22, 2013 · 371.5K views

18. 14:41

    Francis Collins: We need better drugs -- now

    TED · Mar 21, 2013 · 64K views

19. 12:16

    My Escape from North Korea | Hyeonseo Lee | TED

    TED · Mar 20, 2013 · 22.7M views

20. 21:05

    The mind behind Tesla, SpaceX, SolarCity ... | Elon Musk

    TED · Mar 19, 2013 · 4.1M views