Crash Course
The Heart, part 1 - Under Pressure: Crash Course A&P
Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart's ventricles, atria, and valves create a pump that maintains both high and low pressure to...
Bozeman Science
The Circulatory System
Paul Andersen surveys the circulatory system in humans. He begins with a short discussion of open and closed circulatory systems and 2,3, and 4-chambered hearts. He describes the movement of blood through the human heart and the blood...
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.
Crash Course
Blood, Part 2 - There Will Be Blood: Crash Course A&P
It's time to start talking about some of the terrible things you can do to your own body, like blood doping. We'll start by explaining the structure and function of your erythrocytes, and of hemoglobin, which they use to carry oxygen....
SciShow
How Dangerous Is Loneliness, Really?
Loneliness isn’t much fun, but it might also be harmful to your heart—not just in a metaphorical sense, but your actual physical heart, as well as some of your body's other functions.
TED Talks
Alexander Tsiaras: Conception to birth -- visualized
Image-maker Alexander Tsiaras shares a powerful medical visualization, showing human development from conception to birth and beyond. (Some graphic images.)
TED-Ed
TED-Ed: How blood pressure works - Wilfred Manzano
If you lined up all the blood vessels in your body, they'd be 60 thousand miles long. And every day, they carry the equivalent of over two thousand gallons of blood to the body's tissues. What effect does this pressure have on the walls...
TED-Ed
TED-Ed: Become a slam poet in five steps - Gayle Danley
With enough passion and practice, becoming a slam poet is within your reach. Explore a distant memory on paper, then read it out loud. Edit. Try reading it out loud again, and add your finishing touches. Gayle Danley offers five steps to...
TED-Ed
TED-ED: The Egyptian Book of the Dead: A guidebook for the underworld - Tejal Gala
Ancient Egyptians believed that in order to become immortal after death, a spirit must first pass through the underworld - a realm of vast caverns, lakes of fire, and magical gates. Needless to say, one needed to come prepared. But how?...
SciShow
What Makes a Feeling an Emotion?
We all have emotions, but what exactly are they and where do they come from?
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!
Crash Course
Introduction to Anatomy & Physiology: Crash Course A&P
In this episode of Crash Course, Hank introduces you to the complex history and terminology of Anatomy & Physiology. -- Table of Contents: Anatomy: The Structure of Parts 2:34 Physiology: How Parts Function 3:50 Complementarity of...
TED-Ed
TED-Ed: What causes insomnia? - Dan Kwartler
What keeps you up at night? Pondering deep questions? Excitement about a big trip? Stress about unfinished work? What if the very thing keeping you awake was stress about losing sleep? This seemingly unsolvable loop is at the heart of...
SciShow Kids
Getting Ready for Hibernation!
There's a chill in the air where Jessi and Squeaks live, and that means it's time for some animals to start the long, yearly nap called hibernation! Learn why animals hibernate and how they get ready to sleep for months at a time!
TED Talks
TED: A one-man musical phenomenon | Jacob Collier
Jacob Collier is a one-man band and force of nature. In a dynamic, colorful performance, he recreates the magical room at his home in London where he produces music, performing three songs in which he sings every part and plays every...
TED Talks
TED: Wisdom from great writers on every year of life | Joshua Prager
As different as we humans are from one another, we all age along the same great sequence, and the shared patterns of our lives pass into the pages of the books we love. In this moving talk, journalist Joshua Prager explores the stages of...
Crash Course
How and Why We Read: Crash Course English Literature
In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other...
Crash Course
Emotion, Stress and Health: Crash Course Psychology
So, it turns out we have an easy time reading emotions in facial expressions, but emotions can straight up kill us! In this episode of Crash Course Psychology, Hank discusses stress, emotions, and their overall impact on our health. --...
Curated Video
Exploring the World of Fish: Anatomy, Behavior, and Classification
This video provides an overview of different sea creatures, explaining which ones are fish and which ones are mammals. It also delves into the anatomy and characteristics of fish, including their fins, circulatory system, feeding habits,...
Curated Video
Landmarks - Prague Bridge
PRAGUE, CAPITAL OF THE CZECH REPUBLIC IS ONE OF EUROPE S MOST PICTURESQUE AND HISTORIC CITIES. AFTER A TUMULTUOUS 20TH CENTURY MARKED BY WAR, INVASION AND SUPPRESSION, A NEW ERA OF FREEDOM AND STABILITY HAS DAWNED. AND WITH IT, A CHANCE...
Curated Video
Landmarks - Wimbledon
WIMBLEDON MENTION THE NAME WIMBLEDON ANYWHERE IN THE WORLD AND YOU WILL USUALLY GET THE SAME RESPONSE - INSTANT RECOGNITION THAT IT IS THE HOME OF TENNIS AND PERHAPS THE HEART OF ENGLAND. ALTHOUGH IT MOVED TO ITS PRESENT HOME IN CHURCH...
Curated Video
Exploring Ancient Rome: History, Landmarks, and Culinary Delights
Discovering Rome, Italy:Next, immerse yourself in the ancient streets of Rome, trading tourist buses for scooters as you delve into the city's rich history. Wander through the iconic Colosseum, where gladiators once battled, and capture...
Curated Video
The Power of Gratitude: Discovering the Universe of Appreciation
In this video, children learn about the importance of gratitude and self-acceptance. They discover that being grateful goes beyond saying thank you, and that it involves appreciating the efforts of others. The video also emphasizes the...