# Matt Ridley: When ideas have sex

At TEDGlobal 2010, author Matt Ridley shows how, throughout history, the engine of human progress has been the meeting and mating of ideas to make new ideas. It's not important how clever individuals are, he says; what really matters is how smart the collective brain is.

- Kind: Talk
- Year: 2010
- Runtime: 16 min
- By: TED.com
- Genres: Education, Science
- Archive: [Internet Archive](https://archive.org/details/MattRidley_2010G)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Adult profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/MattRidley_2010G?play=1)