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

1. 7:27

   Solar Air Furnace Build ll Part 5

   James Biggar · Apr 28, 2011 · 17.3K views

2. 10:26

   Angela Belcher: Using nature to grow batteries

   TED · Apr 27, 2011 · 61K views

3. 14:09

   Anil Ananthaswamy: What it takes to do extreme astrophysics

   TED · Apr 26, 2011 · 34.1K views

4. 17:22

   Harvey Fineberg: Are we ready for neo-evolution?

   TED · Apr 26, 2011 · 75.6K views

5. 17:52

   On being wrong | Kathryn Schulz

   TED · Apr 26, 2011 · 748.5K views

6. 5:03

   3 things I learned while my plane crashed | Ric Elias

   TED · Apr 26, 2011 · 1.7M views

7. 7:13

   Solar Air Furnace Build ll Part 4

   James Biggar · Apr 24, 2011 · 10.5K views

8. 18:08

   Sam Richards: A radical experiment in empathy

   TED · Apr 19, 2011 · 167.1K views

9. 16:27

   Susan Lim: Transplant cells, not organs

   TED · Apr 19, 2011 · 76.7K views

10. 19:30

    Roger Ebert: Remaking my voice

    TED · Apr 14, 2011 · 192.8K views

11. 7:06

    Dave Meslin: The antidote to apathy

    TED · Apr 14, 2011 · 116.2K views

12. 5:25

    Dallas POV - Ultraviolet

    Joe Scott · Apr 14, 2011 · 981 views

13. 17:41

    The history of our world in 18 minutes | David Christian | TED

    TED · Apr 11, 2011 · 9M views

14. 11:50

    How to Make a Paper Crossbow

    NightHawkInLight · Apr 10, 2011 · 17.4M views

15. 19:18

    Caroline Casey: Looking past limits

    TED · Apr 8, 2011 · 459.8K views

16. 5:35

    Solar Air Furnace Build II Part 3

    James Biggar · Apr 7, 2011 · 12.2K views

17. 6:55

    Solar Air Furnace Build II Part 2

    James Biggar · Apr 7, 2011 · 9.6K views

18. 7:50

    Mick Ebeling: The invention that unlocked a locked-in artist

    TED · Apr 7, 2011 · 80.7K views

19. 15:39

    Stanley McChrystal: Listen, learn ... then lead

    TED · Apr 6, 2011 · 729.1K views

20. 14:42

    Chade-Meng Tan: Everyday compassion at Google

    TED · Apr 6, 2011 · 110.5K views