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In this episode of Crash Course Psychology, we get to meet the brain. Hank talks us through the Central Nervous System, the ...

Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system.

Today Hank kicks off our look around MISSION CONTROL: the nervous system. Pssst... we made flashcards to help you review ...

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 ...

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 ...

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, ...

In this episode of Crash Course, Hank introduces you to the complex history and terminology of Anatomy & Physiology. Pssst... we ...

BAHHHHHH! Did I scare you? What exactly happens when we get scared? How does our brain make our body react? Just what ...

In this episode of Crash Course Psychology, Hank takes a look at how the treatment for psychological disorders has changed over ...

In this episode of Crash Course Psychology, Hank talks about OCD and anxiety disorders in the hope we'll understand what ...

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 ...

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 ...

Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it.

Today Hank talks about your central nervous system. In this episode, we'll explore how your brain develops and how important ...

What exactly are Personality Disorders? How can they be diagnosed? Can we prevent some of them? In this episode of Crash ...

Why do we sleep? Well... that's a tricky question. More easily answered is the question, "How do we sleep?" In this episode of ...

Not sleeping for days on end. Long periods of euphoria. Racing thoughts. Grandiose ideas. Mania. Depression. All of these are ...

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.

Hank introduces us to that wondrous molecule deoxyribonucleic acid - also known as DNA - and explains how it replicates itself in ...

Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe.