Earth and Space Science
Gravity and the human body
Lesson duration 04:46
Our bodies function necessarily under the presence of gravity; how blood pumps, a sense of ...
Search results for human body
TED-Ed Lessons
Sociology
What happens to our bodies after we die?
Lesson duration 04:41
Since the dawn of humanity, an estimated 100.8 billion people have lived and died, a number that...
Life Sciences
Why do humans have a third eyelid?
Lesson duration 04:36
You know that little pink thing nestled in the corner of your eye? It’s actually the remnant of a...
Earth and Space Science
Could we survive prolonged space travel?
Lesson duration 04:56
Prolonged space travel plays a severe toll on the human body: microgravity impairs muscle and...
Visual Arts
Visualizing hidden worlds inside your body
Lesson duration 06:06
How do we see things too small to be detected by the human eye? What about things inside our own...
Science & Technology
How to grow a bone
Lesson duration 04:37
Can you grow a human bone outside the human body? The answer may soon be yes. Nina Tandon...
Science & Technology
Why do we have hair in such random places?
Lesson duration 04:22
We have lots in common with our closest primate relatives. But comparatively, humans seem a bit…...
Nutrition
What would happen if you didn’t drink water?
Lesson duration 04:52
Water is essentially everywhere in our world, and the average human is composed of between 55...
Science & Technology
Are you more likely to explode or freeze in space?
Lesson duration 04:56
Imagine a scientist who has teleported to space. His spacesuit’s pressurized air protects his...
Science & Technology
Can you freeze your body and come back to life?
Lesson duration 05:34
In 1967, James Bedford had a plan to cheat death. He was the first person to be cryogenically...
Health
Why are human bodies asymmetrical?
Lesson duration 04:19
Symmetry is everywhere in nature. And we usually associate it with beauty: a perfectly shaped...
Life Sciences
Poison vs. venom: What's the difference?
Lesson duration 03:56
Would you rather be bitten by a venomous rattlesnake or touch a poisonous dart frog? While both...
Science & Technology
How smart are dolphins?
Lesson duration 04:51
Dolphins are one of the smartest animal species on Earth. In fact, their encephalization...
Science & Technology
The genes you don't get from your parents (but can't live without)
Lesson duration 05:03
Inside our cells, each of us has a second set of genes completely separate from our 23 pairs of...
Health
The most common STI in the world
Lesson duration 04:28
At some point, most sexually active people will be infected with human papillomavirus, or HPV....
Health
Why does your voice change as you get older?
Lesson duration 05:06
The human voice is capable of incredible variety and range. As we age, our bodies undergo two...
Health
The 3 best predictors of how well you’ll age
Lesson duration 05:02
If you want to learn a tree’s age, you can count their rings. When it comes to humans, scientists...
Health
How to biohack your cells to fight cancer
Lesson duration 08:01
The human body is made up of about 30 trillion cells that carry a code which has been duplicated...
Health
Why do our bodies age?
Lesson duration 05:10
Human bodies aren’t built for extreme aging: our capacity is set at about 90 years. But what does...
Life Sciences
How your muscular system works
Lesson duration 04:45
Each time you take a step, 200 muscles work in unison to lift your foot, propel it forward, and...
Life Sciences
How does your body know what time it is?
Lesson duration 05:09
Being able to sense time helps us do everything from waking and sleeping to knowing precisely...
Public Health
What happens when you get heat stroke?
Lesson duration 03:54
Have you ever suffered from exertional heat stroke? This condition is caused by intense activity...
Life Sciences
Cell vs. virus: A battle for health
Lesson duration 03:59
All living things are made of cells. In the human body, these highly efficient units are...
Health
Why is lead so dangerous to humans?
Lesson duration 05:05
Lead is a metallic element that’s distributed across Earth’s crust. When it enters the human...
TED-Ed's Best of Web
The basics of the Human Rights Council
Lesson duration 03:17
Learn about the Human Rights Council, the main body within the UN system responsible for...
Science & Technology
Vestigial structures
Lesson duration 04:20
A review of vestigial structures, some of the structures in our bodies that are "leftover" from...
Health
7 organs you could live without
Lesson duration 10:19
The human body is an incredibly complex machine made up of systems of organs all working together...
Earth and Space Science
What outer space does to your body
Lesson duration 02:00
NASA astronaut Scott Kelly and Mikhail Kornienko returned to Earth on March 1,...
Science & Technology
Proof of Evolution That You Can Find on Your Body
Lesson duration 03:55
You have your mom's smile, your dad's eyes, and the ear muscles of a Triassic mammal. What traits...
Health
A journey through the human eye
Lesson duration 02:39
With the ability to distinguish about 10 million different colors and the ability to perceive...
Anthropology
The search for King Richard III
Lesson duration 07:39
Did you know that archaeological excavations are like gigantic jigsaw puzzles? Use the recent...
Biological Bases of Behavior
5 weird involuntary reflexes explained
Lesson duration 05:13
Our bodies do a lot of weird things, and many of them are completely involuntary. Why do we often...
Health
How fast can we go?
Lesson duration 07:12
How fast can human beings go? From the land to the sea to the sky, The Infographics Show...
Health
What happens in your body when you swallow gum?
Lesson duration 04:08
You've probably heard that if you swallow chewing gum, it stays in your stomach for 7 years. But...
Health
What would happen if you stopped brushing your teeth?
Lesson duration 02:58
From twigs to electrical toothbrushes, humans have been cleaning our teeth since the Ancient...
Science & Technology
Big rig myths: bicycle drafting
Lesson duration 04:26
In science, it is not good enough to say something is true just because you think it is. You...
Science & Technology
The human back is a design disaster
Lesson duration 06:40
Everyone who lives long enough is likely to experience back pain. And the cause isn't just...
Science & Technology
Does being cold make you sick?
Lesson duration 02:45
Have you ever heard someone say, "Bundle up or you'll get sick"? These pre-cautionary words echo...
Earth and Space Science
From outer space to under our skin: a look at the universe
Lesson duration 09:01
What happens when you measure something and then add another zero? This film was made by...
Health
How much sleep do you actually need?
Lesson duration 03:24
Tired? We all know the feeling; irritable, groggy and exceptionally lazy. Chances are you didn’t...
Regional human rights protection systems
Lesson duration 07:12
Explore the importance and value of regional human rights protection systems for addressing...
Why are fish fish-shaped? - Lauren Sallan
Lesson duration 04:57
In tropical seas, flying fish leap out of the water, gliding for up to 200 meters, before dipping...
Science & Technology
The first humans on Mars
Lesson duration 11:25
Elon Musk’s SpaceX program proposes that 100 people could be sent to colonize Mars within 10...
Science & Technology
Where does the smell of rain come from?
Lesson duration 03:10
Have you ever smelled a storm approaching? It’s Okay To Be Smart explains how you don’t have to...
Science & Technology
What is echolocation?
Lesson duration 04:34
Are bats really blind? Not exactly. Besides their eyes, bats use a special process called...
How Amnesty International members protect human rights
Lesson duration 04:17
Hear from members of Amnesty International about the amazing contributions they’ve made in their...
Science & Technology
Can we survive the sun's death?
Lesson duration 03:37
Does humanity stand a chance against our sun's ultimate fate? AsapSCIENCE researches the...
Health
Mom vs. dad: What did you inherit?
Lesson duration 04:05
It’s easy to feel like you’re an even mix of your parents, but that’s not always the case. So,...
TED-Ed Blog
Top Ten: Humanities Lessons you missed this summer
Are you a humanities teacher getting ready to head back to school? Here’s an excellent list of 10...
6 tips to help you be a better human now
On TED’s How to Be a Better Human podcast, host Chris Duffy speaks to an exciting mix...
Humans are made to be touched — so what happens when we aren’t?
Our bodies are designed to respond to touch, and not just to sense the environment around us. We...
.48.46-PM-575x321.png)
How are humans and animals similar? Two students across an ocean discuss
As we begin to round out the spring semester of TED-Ed Clubs, we have seen students present on...
Do entertain the animals: 5 ways to be a better human at the zoo
Your job: Be interesting. Researcher and author Laurel Braitman explains. Most humans...
Becoming Spiderman may be easier than you think: A TED-Ed Club talk on genetically modified humans
Will future generations see the human genome as the end point for humanity — or just the...
5 fun facts about your body
5 fun facts about the human body — starting at the top. 1. You’re already using 100% of your...
What do teens really think about body image, beauty and bullying? 3 perspectives from around the world
Body image, beauty and bullying. These three themes have been passionately presented by dozens of...
What would it take to survive in space?
Prolonged space travel takes a severe toll on the human body. As we seriously consider the human...
The science of ‘The Martian’: 5 TED-Ed Lessons to help you understand the film
The Martian stars Matt Damon as a stranded astronaut — and Mars as the red planet of doom....
Understanding the outbreak of a virus
We thought it might be helpful to gather some of our resources that offer valuable insights on...
.jpg)
5 TED-Ed Lessons that are out of this world
Happy Space Day! To celebrate today’s enormous theme, TED-Ed invites you on on a sprawling...
5 TED-Ed Lessons about water
Access to clean drinking water is a fundamental human right. But just why is it so important? To...
What teens really want to know about sex
On the first day of the high school Sexuality and Society class that I teach, I don’t pass around...
Here’s why you get gloomy in the winter — and what you can do about it
If the darkening evenings and turning leaves induce a mild sense of dread in you every year,...
What is life like under the sea?
The ocean covers roughly 71% of our planet’s surface, and is by far the most dominant feature of...
7 TED-Ed Lessons for a healthier you
How do carbohydrates impact your health? What would happen if you didn’t sleep? How does sugar...
Why microbes matter: A TED-Ed Lesson and TED Talk pairing
Your body is made up of 10 trillion human cells. Sounds like a lot, right? Well, when compared to...
How to change your relationship with food
Here are three common-sense tips to help you feed your hunger and not your emotions, from...
5 TED-Ed Lessons to watch while you’re at the gym
Happy New Year from TED-Ed! If you resolved to exercise more this year, then you’ll love this...
What we know (and don’t know) about cancer
February 4th is #WorldCancerDay. Watch these six TED-Ed Lessons to get more informed about...
12 amazing facts about elephants
In honor of World Elephant Day on August 12, we present you with 12 little-known facts...
The top 10 most popular TED-Ed Original animated videos from 2015 (and a few fun facts)
If you are a TED-Ed community member who waits with anticipation for new TED-Ed Original videos...
Top 5 most popular health TED-Ed Lessons
If you’re interested in building healthy habits this year and beyond, check out this playlist of...