The cold medicine you picked up at the store involves some cool chemistry to treat your symptoms.

Sometimes medications that were developed to treat one condition can end up being useful for seemingly unrelated ailments. Chapters View all DEXTROMETHORPHAN & PSEUDOBULBAR AFFECT 1:48 MEMANTINE & OCD 2:25 NALTREXONE & BEHAVIORAL...

We have a powerful way to study how brains work thanks to a relatively new technology called chemogenetics. With chemogenetics, scientists can give an injection to mice that turns specific parts of their brains on or off!

In 1901, David Hänig published research that led to what we know today as the taste map: an illustration that divides the tongue into four separate areas. It has since been published in textbooks and newspapers. There is just one...

As if you needed any more proof that alcohol just makes weird stuff happen, Quick Questions explains why alcohol can make you /feel/ warm, when it's actually making your body colder. You'll never think of brandy the same way again!

The world is full of colors. Almost all of them can be described by a wavelength of visible light, but there are some colors out there that are just in your head!

Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system.


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Sympathetic Nervous System Controls the Bo
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Why does alcohol cause that burning sensation on its way down?

A group of scientists this week has found a chemical trick that might one day help block the harmful effects of loud noises on our ears, and another has built an underwater robot to take a look underneath Thwaites glacier.

How do your pupils work and why do some substances make them dilate?

After a good distance of running, you might have felt a sensation of happiness. That is the runner's high and some chemicals in your body cause it.

Warning: Contains talk of cannabis.<br/>
CBD: Marijuana Without the High

Recent research has offered some new insights into our biochemistry -- from a proposed drug for sexual arousal to a possible link between the flu and narcolepsy.

Hank explains the science behind the effects of that wackiest of weeds, cannabis sativa - aka marijuana.

SciShow News delves into the history of marine animals and finds that they’re getting bigger, and unlocks the secret of how cannabis creates one of its most medically useful effects.

Have you ever said, "No, a little to the left," during a back scratch because the itch itself seemed to move? Well, it has to do with how your nerves and brain respond to the sensation.

There is a chemical so bitter you can taste it in an Olympic-sized swimming pool and you probably have it in your home without even knowing it.

While you might not think about quantum mechanics being part of your everyday life, it turns out that it might play a role in some of the most familiar things, from the sunlight in the trees to the nose on your face! Chapters View all...

BAHHHHHH! Did I scare you? What exactly happens when we get scared? How does our brain make our body react? Just what are Neurotransmitters? In this episode of Crash Course Psychology, Hank takes us to the simplest part of the complex...

Explore cell signaling with the Amoeba Sisters! This introductory video describes vocabulary such as ligand and receptor. It includes the stages of cell signaling (reception, transduction, and response) and different types of signaling...

Salvia divinorum, despite sounding like a spell from the world of Harry Potter, can't turn you into an inanimate object, make you leave your body, or set your feet on fire. However, it can make you FEEL like all of those things are...

When you take a bite of a hot pepper, your body reacts as if your mouth is on fire -- because that's essentially what you've told your brain! Rose Eveleth details the science and history behind spicy foods, giving insights into why some...

Sometimes your body won't let you forget that spicy burrito you had yesterday!

When you think of antihistamines, you're probably only thinking about getting rid of a runny nose, but we're learning that antihistamines can be used for nausea, insomnia, and even depression!