Here’s a thought: What IS a thought? I know it involves my brain, and my brain is made of neurons. And my brain’s neurons are listening to other neurons all over my body. But how do those neurons actually work? Maybe you’ve heard that it...

Fentanyl has become a primary cause of the opioid overdose epidemic in the past decade. But what is it about this drug that's so dangerous? There's more to the story than meets the eye.



If you’re ever in the position...

Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.

This week, scientists announced great news about our brains and those discoveries may help us find the cure for a number of diseases and disorders.

The answer to why wasabi is such a nose burner has to do with a compound that researchers are trying to use in a creative way! Hosted by: Stefan Chin

Obviously, you can’t just plant a chip in someone’s head and start manipulating their thoughts and behavior, but doctors and scientists CAN use electricity to activate or inhibit certain parts of the brain. And they can use this power to...

The human brain is complex and awe-inspiring, so of course we have been trying to figure out how to control it. From electricity to light, here are some of the ways we have attempted to command our wrinkly thinkers.

Today Hank kicks off our look around MISSION CONTROL: your nervous system.


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SciShow explores the grim story of the lobotomy, the medical procedure that earned its inventor perhaps the most regrettable Nobel Prize in history.

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.

Do popsicles give you toothaches? Do you wonder why that special toothpaste makes it all better? We've got you covered!

When photographed under a 3D microscope, grains of sand appear like colorful pieces of candy and the stamens in a flower become like fantastical spires at an amusement park. Gary Greenberg reveals the thrilling details of the micro world.

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...

Can we, as adults, grow new neurons? Neuroscientist Sandrine Thuret says that we can, and she offers research and practical advice on how we can help our brains better perform neurogenesis—improving mood, increasing memory formation and...

The answer to why wasabi is such a nose burner has to do with a compound that researchers are trying to use in a creative way!

Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work? Learn about the basic physiology of how humans experience pain, and the mechanics of the medicines...

Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.

A Quick Question answer that explains the chemistry that makes minty things taste “cool” and spicy things taste “hot”.

SciShow News explains the science behind ALS, the disease that has inspired millions to take the Ice Bucket Challenge. Learn what ALS is, what we do and don’t know about it, and watch SSN hosts take the challenge themselves!

Here's visually satisfying ear cleaning ASMR animation. Get ready to embrace a new portion of relaxing ASMR experience!



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Mental decline isn’t inevitable as you age. From diet to activities, find out what you can do to keep your brain in shape.

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Twig - Biología

Copper has been used by man for thousands of years.



Chemistry - Periodic Table - Learni

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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...