Category: TED-Ed Lessons

Why do we knock on wood?

Chances are you’ve knocked on wood in the past month. But, really, why? Here’s one origin story: Knocking on wood is thought to come from the folklore of the ancient Indo-Europeans, or possibly people who predated them, who believed that [...]

4 TED-Ed Lessons about mental health

Depression, bipolar disorder, OCD, narcissism — these medical conditions impact millions of people around the world, yet are often misunderstood. How much do you know about the symptoms and treatments? Want to learn more about how to support a friend [...]

11 electrifying facts about jellyfish

Some jellyfish are longer than a blue whale. Others are barely larger than a grain of sand. And one even contains a secret that’s behind some of the greatest breakthroughs in biology. To dive deeper into why jellyfish are such [...]

Why do people get allergies?

Anyone with an allergy has their origin story, a tale of how they discovered that their immune system goes haywire when some arbitrarily particular molecule gets into their body. There are hundreds of millions of these stories. In the US [...]

8 fun facts about bees (in TED-Ed GIFs)

How much do you know about the tiny, mighty bees? Here are 8 facts worth learning about our formidable friends: 1. Bees make our surroundings beautiful. In addition to pollinating our crops, bees are responsible for pollinating all of the things [...]

Are you more powerful than you think?

This is an age of epic political turbulence. From the fracturing of major political parties, to the spread of bottom-up movements like Black Lives Matter, individuals across the political spectrum are reclaiming power. The question that today’s activists have to [...]

Turn your classroom into a citizen science lab with GlobalXplorer

“Citizen science” projects can boost student engagement by giving kids the opportunity to help solve real-world problems, in fields ranging from archaeology to zoology. One citizen science option that we recommend is GlobalXplorer, a new platform launched by archaeologist (and [...]