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TED-Ed Lessons

Thinking & Learning

What’s the smartest age?

Tomorrow is the annual Brain Clash — a decathlon of mental challenges, trivia competitions, and...

2,403,113 Views

Health

How does alcohol cause blackouts?

Alcohol has been shown to have strange and selective effects on the brain. Many intoxicated...

1,825,058 Views

Psychology

How friendship affects your brain

If it seems like friendships formed in adolescence are particularly special, that's because they...

1,528,695 Views

Science & Technology

What's happening to Earth's core?

A hydrogen atom is traveling high within the outermost layer of Earth’s atmosphere. This...

433,533 Views

Science & Technology

Should you switch to solar?

Today in many countries solar is the cheapest form of energy to produce. Millions of homes are...

414,635 Views

Psychology

When are you actually an adult?

Most countries recognize 18 as the start of adulthood by granting various freedoms and...

798,505 Views

Psychology

The science of falling in love

Love is often described as heartwarming, heart-wrenching, or even heartbreaking— and your brain...

2,462,963 Views

Science & Technology

What Earth in 2050 could look like

While we’re already feeling the devastating effects of human-caused climate change, governments...

1,267,338 Views

Science & Technology

Why are scientists shooting mushrooms into space?

Astronauts aboard the space station Mir made a frightening discovery: several species of...

693,232 Views

Confused about recycling? It’s not your fault

If you’ve ever looked at the bottom of a disposable bottle or cup, you’ve probably noticed a...

333,327 Views

Science & Technology

The most dangerous elements on the periodic table

Within the periodic table loom many potential hazardous elements. Some elements are dangerous due...

834,304 Views

Science & Technology

The rights you might not realize you have

Since 2015, an unprecedented movement has been sweeping courts around the world. Groups of young...

500,042 Views

Psychology

How to make your stress work for you

An upcoming project deadline, a fight with a family member, or even an embarrassing moment can...

590,535 Views

Psychology

The clever trick used by sports betting apps

Sports gambling has become more popular than ever. Mobile apps make it easier to place bets...

378,601 Views

Health

What sex ed doesn’t tell you about your brain

While we often talk about puberty’s effect on the body, what gets overlooked are the fascinating...

3,079,771 Views

Psychology

Why you feel stuck — and how to get motivated

Many of us have experienced feeling stuck. People often report feeling highly motivated at the...

1,278,290 Views

Design, Engineering & Technology

This is what happens when you hit the gas

In 2015, two men drove a Volkswagen across the US on just over 100 gallons of fuel. Their...

1,570,288 Views

Health

Do you really need to take 10,000 steps a day?

For years, Jean Béliveau walked from country to country, with the goal of circumnavigating the...

8,621,454 Views

Health

Why daylight is the secret to great sleep - Christine Blume

Does the type and amount of light you’re exposed to during the day change how well you sleep at...

101,816 Views

Design, Engineering & Technology

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

Today, some companies are working hard to prevent consumers from repairing products on their own....

732,692 Views

Health

What causes addiction, and why is it so hard to treat?

As of 2021, more than 36 million people were estimated to be experiencing substance use disorder....

1,241,591 Views

Science & Technology

How do sinkholes swallow entire houses and cities?

It was a rainy December morning in San Francisco when the Earth opened up. The ground suddenly...

192,165 Views

Literature & Language

The secret behind how Chinese characters work

According to legend, in the 27th century BCE, the Yellow Emperor of China charged his historian,...

1,757,363 Views

Social Studies

How did ancient civilizations make ice cream?

Ice cream has a unique role in our world’s history, culture, and cravings. The first accounts of...

2,254,622 Views

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TED-Ed's Best of Web

Design, Engineering & Technology

This piece of paper could revolutionize human waste

Could this simple kirigami paper be a solution to our waste problem? Kirigami is a variation of...

3,188,848 Views

TED-Ed Blog

The 10 most popular TED-Ed Animations of 2024

In 2024, our YouTube audience spent nearly 16 million hours watching TED-Ed Animations (that’s...

The 10 most popular TED-Ed Animations of 2025

In 2025, our YouTube audience spent nearly 16 million hours watching TED-Ed Animations (that’s...

Hope and action: A climate reading list

You’ve seen the headlines. Melting ice caps, endangered species, wildfires, heatwaves, floods,...

6 books to get you started with cli-fi

You’ve heard of sci-fi, but what do you know about cli-fi? As global leaders struggle to make...

How to start a community service learning project at your school

Community service learning projects can teach lessons that last a lifetime. For students, these...

TED-Ed’s super summer reading list: 40+ books recommended by our educators

Summer: it’s the season of rest, rejuvenation … and reading lists. TED-Ed asked some of our...

What’s the future of education? Teachers respond

What’s the future of education? How will students learn differently? What will the schools of the...

Understanding the outbreak of a virus

We thought it might be helpful to gather some of our resources that offer valuable insights on...

Share these 20 brilliant ideas with your favorite teachers (and everyone else)

What’s one thing that you’d like to see educators try out in 2018? We asked the TED-Ed Innovative...

10 teachers share the books that changed their lives

Happy National Book Month! To celebrate the power of a good book, we asked the TED-Ed Innovative...

50 books to read in 2016: TED-Ed Educators and TED Speakers share their picks

What should you read next? From art history to science fiction, here are 50 fantastic books...

Meet the first cohort of TED-Ed Innovative Educators!

Brazil. Indonesia. South Korea. These are just three of the 11 countries represented by the...