Watch TED-Ed videos

The TED-Ed project — TED's education initiative — makes short video lessons worth sharing, aimed at educators and students. Within TED-Ed’s growing library of lessons, you will find carefully curated educational videos, many of which are collaborations between educators and animators nominated through the TED-Ed platform.

The art of the metaphor

How do metaphors help us better understand the world? And, what makes a good metaphor? Explore these questions with writers like Langston Hughes and Carl Sandburg.

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Questions no one knows the answers to

In the first of a TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers.

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How big is infinity?

Using the fundamentals of set theory, explore the mind-bending concept of the “infinity of infinities” — and how it led mathematicians to conclude that math itself contains unanswerable questions.

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The art of the metaphor

How do metaphors help us better understand the world? And, what makes a good metaphor? Explore these questions with writers like Langston Hughes and Carl Sandburg.

Watch the lesson

Questions no one knows the answers to

In the first of a TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers.

Watch the lesson