Lessons Worth Sharing

You have JavaScript disabled
For the best experience, please turn JavaScript on. Here's how

- A LessonBuild your own video-based lesson
- A CollectionOrganize video-based lessons in your own collection
- DonateDonate to support TED-Ed’s non-profit mission
- ShopBuy products inspired by TED-Ed animations

Discover

Lessons
Collections
Explorations
Blog

Create

A Lesson
A Collection

Get Involved

Student Talks
Educator Talks
Nominate

Support

Donate
Shop

Help
Contact
Blog
About
Educators
Patrons

All subjects
The Arts
- All The Arts
- Visual Arts
- Performing Arts
- Value of the Arts
Business & Economics
- All Business & Economics
- Global Economics
- Macroeconomics
- Microeconomics
- Personal Finance
- Business
Design, Engineering & Technology
- All Design, Engineering & Technology
- Design
- Engineering
- Technology
Health
- All Health
- Growth & Development
- Medical Conditions
- Consumer Health
- Public Health
- Nutrition
- Physical Fitness
- Emotional Health
- Sex Education
Literature & Language
- All Literature & Language
- Literature
- Linguistics
- Writing/Composition
- Speaking
Mathematics
- All Mathematics
- Algebra
- Data Analysis & Probability
- Geometry
- Measurement
- Numbers & Operations
Philosophy & Religion
- All Philosophy & Religion
- Philosophy
- Religion
Psychology
- All Psychology
- History, Approaches and Methods
- Biological Bases of Behavior
- Consciousness, Sensation and Perception
- Cognition and Learning
- Motivation and Emotion
- Developmental Psychology
- Personality
- Psychological Disorders and Treatment
- Social Psychology
Science & Technology
- All Science & Technology
- Earth and Space Science
- Life Sciences
- Physical Science
- Environmental Science
- Nature of Science
Social Studies
- All Social Studies
- Anthropology
- Area Studies
- Civics
- Geography
- History
- Media and Journalism
- Sociology
Teaching & Education
- All Teaching & Education
- Education Leadership
- Education Policy
- Structure and Function of Schools
- Teaching Strategies
- Teachers as Learners
Thinking & Learning
- All Thinking & Learning
- Attention and Engagement
- Memory
- Critical Thinking
- Problem Solving
- Creativity
- Collaboration
- Information Literacy
- Organization and Time Management

Clear all
Student level0
- Elementary/Primary
- Middle School/Lower Secondary
- High School/Upper Secondary
- College/University
- Other
Content type0
- TED-Ed Animations
- TED Talk Lessons
- TED-Ed Best of Web
Video duration0
- Under 3 minutes
- Under 6 minutes
- Under 9 minutes
- Under 12 minutes
- Under 18 minutes
- Over 18 minutes
Subtitles0
- Afrikaans
- Albanian
- Algerian Arabic
- Amharic
- Arabic
- Armenian
- Assamese
- Azerbaijani
- Basque
- Belarusian
- Bengali
- Bosnian
- Bulgarian
- Burmese
- Cantonese (Hong Kong)
- Catalan
- Chinese
- Chinese (Hong Kong)
- Chinese (Singapore)
- Chinese (Taiwan)
- Chinese Simplified
- Chinese Traditional
- Croatian
- Czech
- Daakaka
- Danish
- Dhivehi
- Dutch (Belgium)
- Dutch (Netherlands)
- Dzongkha
- English
- Esperanto
- Estonian
- Faroese
- Filipino
- Finnish
- French (Canada)
- French (France)
- French (Switzerland)
- Galician
- Georgian
- German
- Greek
- Gujarati
- Haitian
- Haka Chin
- Hawaiian
- Hebrew
- Hindi
- Hungarian
- Icelandic
- Igbo
- Indonesian
- Ingush
- Irish
- Italian
- Japanese
- Kannada
- Kazakh
- Khmer
- Korean
- Kurdish
- Kurdish (Central)
- Kyrgyz
- Lao
- Latin
- Latvian
- Lithuanian
- Luxembourgish
- Macedonian
- Malagasy
- Malay
- Malayalam
- Marathi
- Mongolian
- Morisyen
- Nepali
- Norwegian
- Odia
- Persian
- Persian (Afghanistan)
- Persian (Iran)
- Polish
- Portuguese (Brazil)
- Portuguese (Portugal)
- Punjabi
- Romanian
- Russian
- Serbian
- Silesian
- Sinhala
- Slovak
- Slovenian
- Somali
- Spanish (Latin America)
- Spanish (Mexico)
- Spanish (Spain)
- Spanish (United States)
- Swahili
- Swedish
- Tajik
- Tamil
- Telugu
- Thai
- Tibetan
- Turkish
- Turkmen
- Ukrainian
- Urdu
- Uyghur
- Uzbek
- Vietnamese
- Welsh
- Western Frisian
- Yiddish
- Yoruba
- Zulu

Most questions answered

Least questions answered

05:12

Social Studies

Why is Aristophanes called "The Father of Comedy"?

Lesson duration 05:12

837,036 Views

18:32

Psychology

Why I'm done trying to be "man enough" - Justin Baldoni

Lesson duration 18:32

3,591,306 Views

04:58

Literature & Language

Zen kōans: unsolvable enigmas designed to break your brain

Lesson duration 04:58

3,037,457 Views

17:25

Teaching & Education

How teachers can help kids find their political voices - Sydney Chaffee

Lesson duration 17:25

98,304 Views

04:53

History

What really happened to the Library of Alexandria?

Lesson duration 04:53

2,782,729 Views

03:46

Health

The most extreme births in the animal kingdom

Lesson duration 03:46

14,827,198 Views

05:20

Social Studies

How the Normans changed the history of Europe

Lesson duration 05:20

3,240,035 Views

05:17

Design, Engineering & Technology

How feng shui shaped Hong Kong's skyline

Lesson duration 05:17

3,605,560 Views

09:39

Science & Technology

How laser tattoo removal works

Lesson duration 09:39

16,345,364 Views

06:49

Business & Economics

Why Starbucks failed in Australia

Lesson duration 06:49

9,055,245 Views

05:13

Mathematics

Can you solve the rogue AI riddle?

Lesson duration 05:13

4,079,993 Views

04:42

The Arts

What a conductor actually does on stage

Lesson duration 04:42

3,401,476 Views

11:25

Science & Technology

The first humans on Mars

Lesson duration 11:25

786,426 Views

05:29

Science & Technology

The Cheerios effect

Lesson duration 05:29

4,438,409 Views

03:27

Social Studies

Why don't country flags use the color purple?

Lesson duration 03:27

10,347,352 Views

05:06

Health

Why does your voice change as you get older?

Lesson duration 05:06

1,736,005 Views

04:38

Social Psychology

Did ancient Troy really exist?

Lesson duration 04:38

2,069,509 Views

19:01

Design, Engineering & Technology

New bionics let us run, climb and dance - Hugh Herr

Lesson duration 19:01

15,190,116 Views

09:29

Science & Technology

Why the ocean is getting louder

Lesson duration 09:29

2,215,787 Views

04:41

Science & Technology

Who owns Antarctica?

Lesson duration 04:41

7,573,369 Views

04:40

Literature & Language

How can you change someone's mind? (hint: facts aren't always enough)

Lesson duration 04:40

2,200,006 Views

04:49

Social Studies

The breathtaking courage of Harriet Tubman

Lesson duration 04:49

1,916,482 Views

03:10

Science & Technology

Where does the smell of rain come from?

Lesson duration 03:10

807,199 Views

05:03

Health

Myths you learned in health class

Lesson duration 05:03

545,889 Views

Visit

Help
About
Contact
Educators
Blog
Patrons

Follow us on

Never miss a chance to learn something new with TED-Ed’s award-winning educational animations.

Daily

Weekly

By subscribing, you agree to our Terms of use and Privacy policy. This site is protected by reCAPTCHA and the Google Privacy policy and Terms of service.

TED Conferences, LLC
Terms of use
Privacy policy
Video usage policy

Privacy Preference Center

When you visit TED.com, we may store or retrieve information on your browser, mostly in the form of cookies. You can learn more about this in our privacy policy. We use cookies to customize your experience. We do not sell data collected from cookies to any third party, but may provide information to partners to help us update and maintain our website. The information does not usually directly identify you, but it can give you a more personalized experience. Because we respect your right to privacy, you can choose not to allow some types of cookies. Click on the different consent preferences below to find out more. As a reminder, blocking some types of cookies may impact your browsing experience on TED.com.
More information

Manage Consent Preferences

Strictly Necessary Cookies

Always Active

These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.

Performance Cookies

These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Targeting Cookies

These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.

Functional Cookies

These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly.

Cookie List

checkbox label label

Consent Leg.Interest

checkbox label label