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

1. 13:32

   What is so special about the human brain? | Suzana Herculano-Houzel

   TED · Nov 26, 2013 · 837.6K views

2. 18:12

   Jared Diamond: How societies can grow old better

   TED · Nov 25, 2013 · 132.4K views

3. 9:30

   Peter Doolittle: How your "working memory" makes sense of the world

   TED · Nov 22, 2013 · 810.4K views

4. 9:25

   Andreas Raptopoulos: No roads? There's a drone for that

   TED · Nov 21, 2013 · 156.8K views

5. 10:22

   Henry Evans and Chad Jenkins: Meet the robots for humanity

   TED · Nov 20, 2013 · 182.8K views

6. 13:51

   Greg Asner: Ecology from the air

   TED · Nov 19, 2013 · 87.7K views

7. 13:31

   Lian Pin Koh: A drone's-eye view of conservation

   TED · Nov 18, 2013 · 90.7K views

8. 7:19

   Jane McGonigal: Massively multi-player... thumb-wrestling?

   TED · Nov 15, 2013 · 160.5K views

9. 9:02

   Mohamed Ali: The link between unemployment and terrorism

   TED · Nov 14, 2013 · 97.3K views

10. 12:57

    Stefan Larsson: What doctors can learn from each other

    TED · Nov 14, 2013 · 58K views

11. 11:41

    Chris Downey: Design with the blind in mind

    TED · Nov 12, 2013 · 123K views

12. 16:24

    Dambisa Moyo: Is China the new idol for emerging economies?

    TED · Nov 11, 2013 · 595.8K views

13. 6:25

    The magic of Fibonacci numbers | Arthur Benjamin | TED

    TED · Nov 8, 2013 · 6.2M views

14. 19:19

    How the NSA betrayed the world's trust -- time to act | Mikko Hypponen

    TED · Nov 7, 2013 · 414.5K views

15. 14:24

    Grégoire Courtine: The paralyzed rat that walked

    TED · Nov 6, 2013 · 87.2K views

16. 7:53

    What I discovered in New York City trash | Robin Nagle

    TED · Nov 5, 2013 · 488.5K views

17. 17:57

    The deadly genius of drug cartels | Rodrigo Canales

    TED · Nov 4, 2013 · 687.2K views

18. 8:29

    The art of bow-making | Dong Woo Jang

    TED · Nov 1, 2013 · 1M views

19. 8:52

    Holly Morris: Why stay in Chernobyl? Because it's home.

    TED · Oct 31, 2013 · 72.9K views

20. 12:02

    Abha Dawesar: Life in the "digital now"

    TED · Oct 30, 2013 · 159.1K views