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

1. 7:15

   Julian Treasure: Shh! Sound health in 8 steps

   TED · Sep 24, 2010 · 132.9K views

2. 9:47

   Annie Lennox: Why I am an HIV/AIDS activist

   TED · Sep 23, 2010 · 39.1K views

3. 18:17

   Where good ideas come from | Steven Johnson

   TED · Sep 21, 2010 · 1.7M views

4. 8:55

   Christien Meindertsma: How pig parts make the world turn

   TED · Sep 20, 2010 · 188.8K views

5. 8:51

   Caroline Phillips: Hurdy-gurdy for beginners

   TED · Sep 17, 2010 · 305.3K views

6. 10:27

   iMac Hard Drive Replacement / DIY Take Apart Guide

   Jeff Geerling · Sep 17, 2010 · 53.6K views

7. 18:26

   Nicholas Christakis: How social networks predict epidemics

   TED · Sep 16, 2010 · 95.4K views

8. 18:46

   Rob Dunbar: The threat of ocean acidification

   TED · Sep 13, 2010 · 107.5K views

9. 13:18

   Ben Cameron: The true power of the performing arts

   TED · Sep 10, 2010 · 78.3K views

10. 17:22

    Alwar Balasubramaniam: Art of substance and absence

    TED · Sep 8, 2010 · 27.2K views

11. 17:26

    New experiments in self-teaching | Sugata Mitra

    TED · Sep 7, 2010 · 1M views

12. 14:20

    Rachel Sussman: The world's oldest living things

    TED · Sep 3, 2010 · 146.5K views

13. 18:42

    Let the environment guide our development | Johan Rockstrom

    TED · Aug 31, 2010 · 458.3K views

14. 17:20

    Nic Marks: The Happy Planet Index

    TED · Aug 30, 2010 · 279.7K views

15. 7:38

    Intralase LASIK Procedure with Fear-o-meter and Pain-o-meter

    SmarterEveryDay · Aug 30, 2010 · 86K views

16. 8:10

    Dan Cobley: What physics taught me about marketing

    TED · Aug 27, 2010 · 192.5K views

17. 18:06

    Lisa Margonelli: The political chemistry of oil

    TED · Aug 26, 2010 · 19.2K views

18. 16:47

    Jim Toomey: Learning from Sherman the shark

    TED · Aug 25, 2010 · 34.2K views

19. 12:55

    Lee Hotz: Inside an Antarctic time machine

    TED · Aug 24, 2010 · 29.1K views

20. 15:33

    Seth Priebatsch: Building the game layer on top of the world

    TED · Aug 20, 2010 · 104.5K views