You can share this video by copying this HTML to your clipboard and pasting into your blog or web page.
You either have JavaScript turned off or have an old version of the Adobe Flash Player. To view this rating widget you
need to get the latest Flash player.
If your browser allows only "trusted sites" to execute Javascript, you should add the "googleapis.com" domain to your whitelist to allow our Flash detection to work properly.
Got an idea, question, or debate inspired by this talk? Start a TED Conversation.
心理學家Jonathan Haidt 提出一個簡單卻難以回答的問題:人類為什麼追求自我超越?會願意犧牲小我?講者用進化論中的群體篩選論,以科學的角度來提供發人深省的答案。
Jonathan Haidt studies how -- and why -- we evolved to be moral. By understanding more about our moral roots, his hope is that we can learn to be civil and open-minded. Full bio »
Just follow the guidelines outlined under our Creative Commons license.
This comment will be attributed to . Not ? Sign Out.