TED-Ed
Earworms: Those Songs That Get Stuck in Your Head
We've all been infected by earworms at one point or another. But don't worry! These aren't creepy crawly critters that live inside our heads. Follow along with this short video as it explores the interesting psychology...
TED-Ed
Where Did Earth's Water Come From?
It's commonly known that over 70 percent of of the earth's surface is covered by water, but exactly where did it all come from? Join this short video as it travels back to the beginning of the universe in search of the origins...
TED-Ed
Why it's so Hard to Cure HIV/AIDS
Believe it or not, a man was cured of HIV in 2008; unfortunately doctors are still scratching their heads trying to figure out how it happened. Follow along with this short video to learn about this deadly virus and the unique...
TED-Ed
How Brain Parasites Change Their Host's Behavior
Mind control might seem like something out of a science fiction movie, but after watching this short video you and your students will have a new, potentially terrifying understanding of parasites. Follow along as this resource explores...
TED-Ed
Learning from Smallpox: How to Eradicate a Disease
Throughout history, humans have been forced to overcome diseases that have threatened the survival of our species. This short instructional video focuses on one such disease—smallpox, the first and only disease to be completely...
TED-Ed
How Does the Thyroid Manage Your Metabolism?
Hidden in our neck is an important, but often overlooked, little organ called the thyroid. Enjoy this short video as it explains the vital role this powerful organ plays in controlling the function of all...
TED-Ed
The Sonic Boom Problem
Sound waves travel pretty quickly, but humans can travel faster. Follow along with this short animated video as it investigates the physics behind the breaking of the sound barrier and the sonic booms that are...
TED-Ed
How Do Dogs "See" with Their Noses?
While dogs may not be able to see quite as well as humans, they definitely have us beat when it comes to their sense of smell. Prepare to be amazed as this short video investigates the incredibly sensitive noses of man's best friend.
TED-Ed
How Do Your Kidneys Work?
If humans can live without one kidney, how important can they really be? Investigate the vital role these organs play in filtering our blood, removing waste, and managing our bodies' water supply with this short animated video.
TED-Ed
Why the Arctic Is Climate Change's Canary in the Coal Mine
What happens in the Arctic doesn't always stay in the Arctic. Follow along with this short video as it investigates how small changes in the temperature of Arctic regions can have dramatic effects on the global climate through a series...
TED-Ed
How Do Germs Spread (and Why Do They Make Us Sick)?
Much the chagrin of mothers around the world, germs are everywhere; it's unavoidable. Learn how these microscopic invaders have evolved different ways of spreading from one host to another with this short instructional video.
TED-Ed
What Does the Liver Do?
It's the heaviest organ in the human body, but exactly what role does the liver play in sustaining life? Follow along with this short video as it explores the various ways the liver filters, stores, and manufactures materials...
TED-Ed
How Do the Lungs Work?
With the thousands of tasks our brain consciously performs on a daily basis, it's amazing that breathing isn't one of them. Learn how human bodies are able to automatically control the exchange of gas that keeps us alive...
TED-Ed
Why Are Some People Left-Handed?
Despite what some may think, being right- or left-handed isn't a conscious choice people make. Watch this short video to find out exactly what determines a person's dominant hand, and how the cooperative and competitive nature...
TED-Ed
Cloudy Climate Change: How Clouds Affect Earth's Temperature
While clouds may not make for the most enjoyable weather, they play an important role when it comes to regulating the temperature of the earth. Watch this video and learn how these giant masses of water droplets actually help to...
TED-Ed
Why Do Buildings Fall in Earthquakes?
There are few natural phenomena as startling as an earthquake, and depending on the building you're in, these experiences can be downright terrifying. Follow along as this video explores the factors that determine how a building...
TED-Ed
How to Create Cleaner Coal
It's easy to take for granted the the importance of electricity in modern society, and even easier to overlook the environmental cost that is paid for all that energy. Watch as this video explores the detrimental impact...
TED-Ed
The Hidden Worlds within Natural History Museums
Behind the closed doors of natural history museums lies a hidden world of scientific research and discovery that goes unseen for visitors. Follow along as this short video explores different scientific mysteries that have been...
TED-Ed
How Spontaneous Brain Activity Keeps You Alive
We all know that the brain is responsible for our thoughts, actions, memories, and emotions, but it's far busier than we can possibly imagine. Watch this short video as it explores how life as we know it is made possible...
TED-Ed
Is Our Climate Headed for a Mathematical Tipping Point?
Raising the global temperature by two degrees may not seem like much, but the impact this would have on the planet is amazing. Follow along with this short video as it examines how even a small change to a system can turn its...
TED-Ed
At What Moment Are You Dead?
When is a person no longer living? This question has been puzzled over for millennia, but is there a clear answer? Watch as this video examines the biological line separating life and death.
TED-Ed
How Does Cancer Spread Through the Body?
Cancer's ability to quickly spread from one organ to the next makes it one of the most fatal diseases in recent history. Watch as this short video takes you on a trip into the microscopic world of cancer cells, exploring the...
TED-Ed
Could a Blind Eye Regenerate?
Whether it's healing a cut or mending a broken bone, the human body is capable of some pretty amazing repair work, but does it have the power to reverse the blindness caused by genetic diseases? Following along as this...
TED-Ed
The Mighty Mathematics of the Lever
Exactly what did Archimedes mean when he said, "Give me a place to stand, and I will move the Earth"? Watch this video and find out as it explains the mathematics behind levers, and explores a few fun hypothetical situations...