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

Featured

Popular

Newest

Oldest

Longest video

Shortest video

Most video views

Least video views

Most questions answered

Least questions answered

04:19

Science & Technology

Why animals help each other

Lesson duration 04:19

329,655 Views

05:00

Social Studies

Lady Meng Jiang: The legend of the woman who outwitted an evil emperor

Lesson duration 05:00

399,590 Views

05:29

Psychology

How to make your stress work for you

Lesson duration 05:29

439,289 Views

05:35

Design, Engineering & Technology

How scientists are creating real-life invisibility cloaks

Lesson duration 05:35

318,144 Views

04:29

Science & Technology

How are these fires burning underground?

Lesson duration 04:29

204,884 Views

06:05

Design, Engineering & Technology

Why don’t companies want you to repair your stuff?

Lesson duration 06:05

574,044 Views

05:37

Health

What staying up all night does to your brain

Lesson duration 05:37

4,044,423 Views

06:01

Mathematics

Can you solve the trickster god riddle?

Lesson duration 06:01

479,824 Views

05:30

Thinking & Learning

This could save lives— but are you willing to do it?

Lesson duration 05:30

346,590 Views

07:40

Social Studies

Ugly History: The Armenian Genocide

Lesson duration 07:40

434,574 Views

14:24

Social Studies

Democracy is being tested. Citizen assemblies can help - Ketakandriana Rafitoson

Lesson duration 14:24

26,467 Views

05:18

Health

How does kidney transplant surgery work?

Lesson duration 05:18

242,953 Views

06:35

Health

The real reason polio is so dangerous

Lesson duration 06:35

560,425 Views

05:45

Social Studies

How to be fearless in the face of authoritarianism - Sviatlana Tsikhanouskaya

Lesson duration 05:45

107,717 Views

06:35

Literature & Language

The curse of the monkey's paw

Lesson duration 06:35

500,541 Views

06:06

Science & Technology

How do heat waves affect your body?

Lesson duration 06:06

533,077 Views

05:20

Health

3 reasons why medications are so expensive in the US

Lesson duration 05:20

201,332 Views

05:18

Thinking & Learning

The dungeon master's riddle

Lesson duration 05:18

594,981 Views

05:22

Health

What are those colors you see when you rub your eyes?

Lesson duration 05:22

358,269 Views

05:25

Social Studies

The real tale of the Monkey King in Heaven

Lesson duration 05:25

366,007 Views

05:37

Science & Technology

This mushroom will kill you before you know what’s happening

Lesson duration 05:37

867,148 Views

05:41

Social Studies

Greek mythology’s greatest warrior

Lesson duration 05:41

870,529 Views

05:01

Science & Technology

Are there any places on Earth with no bugs?

Lesson duration 05:01

282,344 Views

05:39

Science & Technology

You'll travel 1 trillion kilometers through space

Lesson duration 05:39

147,732 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