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11,288,689 results
17.1M subscribers
From Krakatoa to Pompeii to Mount Saint Helens, volcanoes can do some major damage. But they're not just killing machines!
15,093 views
2 days ago
There's a lot going on under the sea, and we're not talking about singing crabs! From hydrothermal vents to trenches so deep you ...
27,111 views
9 days ago
What can lift ocean creatures up to the top of Everest, bend rocks, cause earthquakes, and sink parts of continents under the sea?
24,169 views
2 weeks ago
A long, long time ago, Earth was home to one giant super continent. So, what happened? In this episode of Crash Course ...
36,841 views
1 month ago
Drop by drop, water has the power to break rock and create whole new landforms. But how? In this episode of Crash Course ...
25,137 views
Diamonds are a girl's best friend. But they're so much more than that. They're sources of power, wealth, and conflict. They're ...
32,818 views
For most of human history, one thing has been true – we LOVE shiny things. Gems are the crown jewels (pun intended) of geology ...
31,315 views
If Hank can eat raw garlic, you can take a moment to consider if you're a person who can help Crash Course reach thousands of ...
25,204 views
Obviously, we think Crash Course is great. But you don't have to take it from us. Thousands of people are helped by Crash Course ...
23,321 views
Crash Course is a community of those of us who make it, and it's YOU. If you want to support trustworthy, accessible education, ...
30,635 views
2 months ago
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3 days ago
3 weeks 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 ...
12,521,143 views
11 years 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, ...
3,325,716 views
2 years ago
Today Hank kicks off our look around MISSION CONTROL: the nervous system. Pssst... we made flashcards to help you review ...
10,945,771 views
Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it.
6,589,525 views
In this episode of Crash Course Psychology, we get to meet the brain. Hank talks us through the Central Nervous System, the ...
6,826,421 views
12 years 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 ...
4,429,122 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 ...
3,548,127 views
BAHHHHHH! Did I scare you? What exactly happens when we get scared? How does our brain make our body react? Just what ...
6,424,790 views
Crash Course Anatomy & Physiology continues the journey through sensory systems with a look at how your sense of hearing ...
3,946,907 views
In this episode of Crash Course Anatomy & Physiology, Hank gives you a brief history of histology and introduces you to the ...
7,080,901 views
Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy ...
7,009,093 views
10 years ago
In this episode of Crash Course Psychology, Hank describes some of the most misunderstood psychological disorders out there: ...
5,210,414 views
Not sleeping for days on end. Long periods of euphoria. Racing thoughts. Grandiose ideas. Mania. Depression. All of these are ...
5,276,775 views
Hank takes us through the bowels of the human digestive system and explains why it's all about surface area. Table of Contents 1) ...
2,588,221 views
13 years ago
In this episode of Crash Course Psychology, Hank talks about OCD and anxiety disorders in the hope we'll understand what ...
6,821,742 views
Hank resists the urge to devour a slice of pizza so that he can walk you through the way we experience our major special senses.
2,900,106 views
We continue our look at your bones and skeletal system, skipping over the silly kid's song in favor of a more detailed look at your ...
4,199,316 views
So how do we apply the scientific method to psychological research? Lots of ways, but today Hank talks about case studies, ...
7,371,781 views
Hank begins a series of videos on organ systems with a look at the nervous system and all of the things that it is responsible for in ...
2,859,897 views
14 years ago
