TED-Ed
TED-Ed: How spontaneous brain activity keeps you alive - Nathan S. Jacobs
The wheels in your brain are constantly turning, even when you're asleep or not paying attention. In fact, most of your brain's activities are ones you'd never be aware of - unless they suddenly stopped. Nathan S. Jacobs takes us inside...
TED-Ed
TED-Ed: How breathing works - Nirvair Kaur
We breathe constantly, but have you ever thought about how breathing works? Discover the ins and outs of one of our most basic living functions-- from the science of respiration to how to control your breaths.
TED Talks
TED: The tragedy of air pollution -- and an urgent demand for clean air | Rosamund Adoo-Kissi-Debrah
Breathing clean air is every child's human right, says grassroots campaigner Rosamund Adoo-Kissi-Debrah, sharing the heartbreaking story of her seven-year-old daughter, Ella Roberta, whose asthma was triggered to a fatal point by air...
Be Smart
5 Weird Involuntary Behaviors Explained!
Our bodies do a lot of weird things, and many of them are completely involuntary. Why do we often jerk our bodies awake right before falling asleep? Why do we yawn? Why do we hiccup? Why do some people sneeze when they look at the sun?...
SciShow Kids
Why Do We Get Hiccups?
Hiccups can be really annoying and hard to get rid of, but do you know why they happen? Find out the answer and learn more about how your lungs work at the same time on today's SciShow Kids!
SciShow
The Fog That Killed 12,000 People
How can smog affect the life expectancy of people? Scientists have investigated the causes and repercussions of The Great Smog of London in 1952, and continue to study the effects of air pollution around the world today.
SciShow
The Only Animal That Can't Breathe Oxygen
Oxygen is so essential for animals that every multicellular species we’ve ever studied has the ability to use oxygen to create energy... except one.
SciShow
What Ventilators Taught Us About Breathing
Humans’ experiences with ventilators have taught us that sighing isn’t just a way to express yourself: it’s a vital part of our everyday breathing.
SciShow
3 Animals That Breathe Through Their Butts
If you want to be able to breathe underwater, you're going to need to get creative. So some turtles, dragonfly nymphs, and sea cucumbers decided to use their butts.
SciShow
Does Wine Really Need to 'Breathe'?
Whether it's from a box or a bottle, letting your wine 'breathe' can actually make a difference in its taste.
SciShow
The Wonderful Reason Babies Hiccup So Much
Ah, hiccups. They are typically harmless, and yet also very annoying. But why do they happen in the first place?
Crash Course
Solutions: Crash Course Chemistry
This week, Hank elaborates on why Fugu can kill you by illustrating the ideas of solutions and discussing molarity, molality, and mass percent. Also, why polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar...
Crash Course
Circulatory & Respiratory Systems - CrashCourse Biology
Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function.
SciShow Kids
How to Feel Your Heart Beat
Get to know your body’s most important muscle -- your heart -- and learn how to take your own pulse!
TED-Ed
What's in the air you breathe? | Amy Hrdina and Jesse Kroll
Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you're breathing were...
Kids’ Poems and Stories With Michael Rosen
Uncle Gobb and the Green Heads – The Test
New ReviewUncle Gobb and the Green Heads – The Test
Curated Video
How yoga can improve arthritis pain and flexibility
How yoga can improve arthritis pain and flexibility
Curated Video
How to Stop Snoring
Howcast - Follow these simple tips to reduce snoring and get a peaceful night’s sleep.
Curated Video
How to Achieve Total Relaxation
Howcast - Everyone suffers from stress, but stress can take a toll on our bodies and our minds. Take a minute to relax – stop and smell the roses.
Curated Video
How to Just Go for It
Howcast - Whether it's quitting your job, kissing a girl, or something else that's making knots in your stomach -- there's no magical technique. You have to free your mind and just go for it.
Curated Video
How to Perform Hands-Only CPR
Howcast - Cardiac emergencies can happen anywhere. Be prepared with a simple technique known as hands-only CPR. You can learn it in minutes, it's easy to remember, and it can help save a life.
Curated Video
How to Do a Belly Isolation in Belly Dancing
Howcast - Let belly dancer Irina Akulenko teach you how to do the belly dance move known as a belly isolation in this Howcast video.
Curated Video
How to Do Hip Slides in Belly Dancing
Howcast - Let belly dancer Irina Akulenko teach you how to do hip slides in this belly dancing video from Howcast.