The interdisciplinary nature of TED (a direction I’d like to see education go
in general) would allow many of these clips to cross several of my categories,
so it may be useful for you to scan the lists of other disciplines. Enjoy!
Bionic Teaching has used the same sheet to create a
great MIT Exhibit on, as far as I can tell, all of the TED
Talks.
Great website that has categorized TED talks into subject specific areas. Makes it a lot more manageable for people new to TED to find a talk that will meet the needs of their classroom.