TED-Ed
TED-Ed: Why do some people snore so loudly? | Alayna Vaughan
A leather mask that clamps the mouth shut. A cannonball sewn into a soldier's uniform. A machine that delivers sudden electrical pulses. These were all treatments for a problem that has haunted humanity for millennia: snoring. It might...
TED-Ed
TED-Ed: How do dogs "see" with their noses? - Alexandra Horowitz
You may have heard the expression that dogs 'see with their noses.' But these creature's amazing nasal architecture actually reveals a whole world beyond what we can see. Alexandra Horowitz illustrates how the dog's nose can smell the...
SciShow
Why Do We Sigh?
A sigh is often taken to be a sign of sadness, but it can indicate a lot more than that,or a lot less.
TED-Ed
Can you be awake and asleep at the same time? | Masako Tamaki
Many animals need sleep. But all of the threats and demands animals face don't just go away when it's time to doze. That's why a range of birds, mammals, and even humans experience some degree of asymmetrical sleep, where parts of the...
SciShow
Scientists Just Transferred Memories... Between Sea Slugs
Scientists were able to transfer a specific memory from one sea slug to another! And research suggests that focusing on your breathing could help you focus on other things as well!
SciShow
Why Lizards Don't Run Marathons
Lizards tend to scurry around in short bursts rather than running long distances, and the reason why might be nearly as old as life on land.
TED-Ed
Why do we hiccup? - John Cameron
The longest recorded case of hiccups lasted for 68 years - and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups. But what causes these "hics"...
TED Talks
TED: Art made of the air we breathe | emily Parsons-Lord
emily Parsons-Lord re-creates air from distinct moments in earth's history -- from the clean, fresh-tasting air of the Carboniferous period to the soda-water air of the Great Dying to the heavy, toxic air of the future we're creating. By...
Amoeba Sisters
Respiratory System
Join the Amoeba Sisters for a brief tour through the human respiratory system! This video will discuss why the respiratory system is so important and address major structures such as the pharynx, larynx, trachea, bronchi, alveoli, and...
SciShow
Meet Our Nitrogen-Breathing Bacterial Relative
Oxygen is pretty great stuff, but this recently discovered organism couldn’t care less about oxygen. It breathes nitrogen and may offer a window into how the types of cells in OUR bodies may have evolved billions of years ago.
SciShow
Could We Breed Giant Spiders?
If, for some wild reason, we decided that breeding humongous spiders was a good idea, could we actually pull it off?
TED-Ed
TED-Ed: How do ventilators work?
In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowing air to inflate its lungs. Today, Vesalius’s treatise is recognized as the first...
MinuteEarth
Our Lungs Have A Fatal Flaw
Our respiratory systems do a great job of protecting us, but they are no match for the smallest pollution particles created by the modern world.
TED Talks
TED: Never, ever give up | Diana Nyad
In the pitch-black night, stung by jellyfish, choking on salt water, singing to herself, hallucinating … Diana Nyad just kept on swimming. And that's how she finally achieved her lifetime goal as an athlete: an extreme 100-mile swim from...
SciShow
Why Do You Feel Butterflies in Your Stomach
It may have happened when you locked eyes with your secret crush, or before an important job interview, but what exactly caused that strange, fluttering sensation in your stomach?
SciShow
Trouble in Bed: When Sleep Turns Against Us
Having trouble sleeping? In this episode of SciShow, Hank explores different kinds of sleep disorders, from insomnia to apnea to sleepwalking. Chapters View all PRIMARY INSOMNIA NO OTHER HEALTH ISSUES 1:49 ACUTE INSOMNIA 2:01...
TED Talks
Julian Treasure: The 4 ways sound affects us
Playing sound effects both pleasant and awful, Julian Treasure shows how sound affects us in four significant ways. Listen carefully for a shocking fact about noisy open-plan offices.
TED-Ed
TED-Ed: How do the lungs work? - Emma Bryce
When you breathe, you transport oxygen to the body's cells to keep them working, while also clearing your system of the carbon dioxide that this work generates. How do we accomplish this crucial and complex task without even thinking...
SciShow Kids
Why Can It Be Hard to Breathe After a Fall? Biology for Kids
Have you ever fallen down and had trouble catching your breath? That's called "getting winded" and Jessi and Squeaks are here to explain what to do when it happens.
SciShow
Is There a Way to Sober Up Faster?
You may be aware of certain hacks to sober up, but researchers have found a way to actually get booze out of our systems faster. And this discovery could help first responders when facing alcohol overdoses.
PBS
When Fish First Breathed Air
385 million years ago, a group of fish would undertake one of the most important journeys in the history of life and become the first vertebrates to live on dry ground. But first, they had to acquire the ability to breathe air.
Crash Course
Respiratory System, part 2: Crash Course A&P
Can a paper bag really help you when you are hyperventilating? It turns out that it can. In part 2 of our look at your respiratory system Hank explains how your blood cells exchange oxygen and CO2 to maintain homeostasis. We'll dive into...
SciShow
Could Humans Ever Breathe Water?
Wouldn’t it be wonderful if we could breathe underwater? But is it even possible?
SciShow
World's Most Asked Questions How Can I Get Rid of the Hiccups
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How do I get rid of hiccups?” Allow us at SciShow to explain.