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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 ...

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, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it ...

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

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

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

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 ...

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 ...

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

Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy ...

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

Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works.

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

From the flu to COVID-19, viruses are a major threat in our everyday lives. In today's episode of Crash Course Biology, we'll learn ...

We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin.

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 ...

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