You have JavaScript disabled
For the best experience, please turn JavaScript on.
Here's how
Menu
Main menu
TED
Ideas worth spreading
Watch
TED Talks
Browse the library of TED talks and speakers
Playlists
100+ collections of TED Talks, for curious minds
TED-Ed videos
Watch, share and create lessons with TED-Ed
TEDx Talks
Talks from independently organized local events
Surprise Me
The easy option. Let us choose for you!
Discover
Topics
Explore TED offerings by topic
TED Books
Short books to feed your craving for ideas
TED Studies
Curated course material for educators and life long learners
Ideas Blog
Our daily coverage of the world of ideas
Newsletter
Inspiration delivered straight to your inbox
Attend
Conferences
Take part in our events: TED, TEDGlobal, TEDActive and more
TEDx events
Find and attend local, independently organized events
TED Live
Experience the conferences from home
Participate
Nominate
Recommend speakers, TED Prize recipients, Fellows and more
Organize a local TEDx event
Rules and resources to help you plan a local TEDx event
Translate
Bring TED to the non-English speaking world
TED Prize
Get involved in the yearly prize for world-changing ideas
TED Fellows
Join or support innovators from around the globe
About
Our organization
Our mission, history, team, and more
Conferences
TED Conferences, past, present, and future
Programs & Initiatives
Details about TED's world-changing initiatives
Partner with TED
Learn how you can partner with us
TED Blog
Updates from TED and highlights from our global community
Log in
Search
Cancel search
2200+ talks
to stir your curiosity
Find just the right one
Browse all talks
Search
Topics
Technology
Entertainment
Design
Business
Science
Global issues
See all topics
Languages
English
Español
日本語
Português brasileiro
中文 (繁體)
한국어
See all languages
Duration
0–6 minutes
6–12 minutes
12–18 minutes
18+ minutes
More
More
Events
TED Conference
TEDGlobal
TEDx
TED2016
TEDGlobal>Geneva
TEDYouth 2015
TEDGlobal>London
TEDWomen 2015
TED2015
See all events
Find a speaker ▸
Clear
Active filters:
evil
Remove
Clear
Sort by:
Newest
Oldest
Most viewed
Jaw-dropping
Funny
Persuasive
Courageous
Ingenious
Fascinating
Inspiring
Beautiful
Informative
16:23
Dan Ariely
Our buggy moral code
Posted
Mar 2009
Rated
Fascinating, Informative
23:16
Philip Zimbardo
The psychology of evil
Posted
Sep 2008
Rated
Inspiring, Informative
Showing all 2 results
