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

1. 17:42

   Steven Pinker: What our language habits reveal

   TED · Sep 11, 2007 · 452.7K views

2. 10:11

   My creations, a new form of life | Theo Jansen

   TED · Sep 6, 2007 · 1.4M views

3. 19:05

   Andrew Mwenda: Let's take a new look at African aid

   TED · Sep 4, 2007 · 114.2K views

4. 17:48

   Erin McKean: The joy of lexicography

   TED · Aug 30, 2007 · 74.7K views

5. 7:07

   Dean Kamen: New prosthetic arm for veterans

   TED · Aug 28, 2007 · 73.3K views

6. 17:31

   Jeff Skoll: Making movies that make change

   TED · Aug 23, 2007 · 42.7K views

7. 6:57

   Vusi Mahlasela: "Woza"

   TED · Aug 21, 2007 · 160.9K views

8. 12:04

   Vusi Mahlasela: "Thula Mama"

   TED · Aug 16, 2007 · 177.9K views

9. 19:35

   Chris Abani on the stories of Africa

   TED · Aug 9, 2007 · 36K views

10. 19:28

    Patrick Awuah: Educating a new generation of African leaders

    TED · Aug 8, 2007 · 90K views

11. 19:46

    George Ayittey: Cheetahs vs. Hippos for Africa's future

    TED · Aug 1, 2007 · 91.1K views

12. 6:10

    William Kamkwamba: How I built a windmill

    TED · Aug 1, 2007 · 1.4M views

13. 6:46

    Allison Hunt: How I got my new hip

    TED · Jul 26, 2007 · 17.4K views

14. 11:43

    David Bolinsky: Visualizing the wonder of a living cell

    TED · Jul 24, 2007 · 212.4K views

15. 11:03

    The 4 a.m. mystery | Rives

    TED · Jul 19, 2007 · 811.3K views

16. 18:35

    Will Wright: Spore, birth of a game

    TED · Jul 17, 2007 · 62.8K views

17. 17:32

    Emily Oster: What do we really know about the spread of AIDS?

    TED · Jul 16, 2007 · 30.9K views

18. 19:08

    Jonathan Harris: The Web's secret stories

    TED · Jul 10, 2007 · 84.7K views

19. 17:25

    Dangerous memes | Dan Dennett

    TED · Jul 3, 2007 · 512.4K views

20. 19:41

    Inside the world's deepest caves | Bill Stone

    TED · Jun 28, 2007 · 83.9K views