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11,665,626 results
17.2M subscribers
Minerals—they're in our homes and our smartphones. But can we meet the demand for them without hurting the places and ...
50,414 views
20h ago
Is the Electoral College broken? More and more people in the U.S. are voicing dissatisfaction with the way we elect presidents.
96,950 views
2d ago
You've probably heard about fossil fuels before – the good, the bad, and the super, super ugly. But what you might not know is ...
88,105 views
7d ago
Why don't more people in the U.S. vote? In 2024, 90 million U.S. voters made a choice on election day…the choice not to vote.
121,186 views
9d ago
Where do campaigns get all their money, and where does it go? In this episode of Crash Course Big Questions on U.S. ...
119,690 views
2w ago
How worried should we be about giant asteroid impacts? In this episode of Crash Course Geology, we'll learn how to tell an ...
102,876 views
3w ago
Does the U.S. need a competitive third party? And would anyone even vote for one? In this episode of Crash Course Big ...
152,612 views
What can gouge out lakes, carve through mountains, and make weird marks in the ground that look /exactly/ like yeti claws? Well ...
101,007 views
4w ago
How did U.S. politics get so divisive? In this episode of Crash Course Big Questions: U.S. Government and Politics, we'll pull back ...
146,340 views
1mo ago
In Crash Course Marathons, we're revisiting the series you love, in long-form videos that cover entire subjects from back to front.
218,983 views
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6 days ago
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In this episode of Crash Course, Hank introduces you to the complex history and terminology of Anatomy & Physiology. Pssst... we ...
13,107,834 views
11y ago
Tuberculosis is often thought of as an old-timey disease, but in reality, it continues to kill over a million and a half people per year, ...
4,037,286 views
2y ago
I'm sure you've heard of Pavlov's Bell, but what was Ivan Pavlov up to, exactly? And how are our brains trained? And what is a ...
4,500,881 views
12y ago
Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system.
6,141,151 views
Today Hank kicks off our look around MISSION CONTROL: the nervous system. Pssst... we made flashcards to help you review ...
11,190,015 views
Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy ...
7,139,950 views
10y ago
In this episode of Crash Course Psychology, we get to meet the brain. Hank talks us through the Central Nervous System, the ...
6,970,828 views
Today Hank talks about your central nervous system. In this episode, we'll explore how your brain develops and how important ...
5,501,378 views
Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to ...
4,550,489 views
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 ...
3,606,350 views
BAHHHHHH! Did I scare you? What exactly happens when we get scared? How does our brain make our body react? Just what ...
6,575,001 views
So how do we apply the scientific method to psychological research? Lots of ways, but today Hank talks about case studies, ...
7,571,758 views
What exactly are Personality Disorders? How can they be diagnosed? Can we prevent some of them? In this episode of Crash ...
5,550,504 views
In this episode of Crash Course Psychology, Hank talks about OCD and anxiety disorders in the hope we'll understand what ...
6,917,543 views
Hank describes the structure and function of your lymphatic system and how it supports your cardiovascular and immune systems.
4,975,542 views
Crash Course Anatomy & Physiology continues the journey through sensory systems with a look at how your sense of hearing ...
4,028,706 views
In this episode of Crash Course Psychology, Hank describes some of the most misunderstood psychological disorders out there: ...
5,295,870 views
Not sleeping for days on end. Long periods of euphoria. Racing thoughts. Grandiose ideas. Mania. Depression. All of these are ...
5,328,002 views
So, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it ...
3,480,163 views
