Crash Course
The Nervous System, Part 2 - Action! Potential!: Crash Course A&P
What do you and a sack of batteries have in common? Today, Hank explains. -- Table of Contents: Ion Channels Regulate Electrochemistry to Create Action Potential 4:51 Resting State 3:22 Depolarization 6:09 Repolarization 7:35...
SciShow
How the Right Tunes Can Improve Your Workout
Listening to music while you work out doesn’t just make the experience more fun—scientists have found music makes working out more effective, and could be the difference between a bronze medal and a gold.
TED-Ed
TED-ED: How do drugs affect the brain? - Sara Garofalo
Most people will take a pill, receive an injection, or otherwise take some kind of medicine during their lives. But most of us don't know anything about how these substances actually work. How can various compounds impact the way we...
SciShow
Uncovering the Secrets of the Past with AI
It’s probably not a surprise that many ancient texts are a bit worn out and tattered, and that makes deciphering what they say quite a task. But with new computer tech and artificial intelligence, we are getting much clearer glimpses of...
SciShow
The Fish that Strolls on the Sea Floor
We may never know when our ancestors walked out of the water into dry land. But it's possible they may have been walking in water for millions of years!
TED-Ed
TED-Ed: How does anesthesia work? - Steven Zheng
When under anesthesia, you can't move, form memories, or -- hopefully -- feel pain. And while it might just seem like you are asleep for that time, you actually aren't. What's going on? Steven Zheng explains what we know about the...
3Blue1Brown
What is backpropagation really doing? | Chapter 3, deep learning
An overview of backpropagation, the algorithm behind how neural networks learn.
SciShow
Hacking the Brain: The Future of Prosthetics
We usually think of 'hacking' as a bad thing, but scientists are working on ways to hack the brain that will greatly benefit people with prosthetics, and maybe someday people with paralysis.
SciShow
What Growing Mini Brains Has Taught Us, And What's Next
Scientists have developed a way to grow miniature versions of human organs; some of the weirdest organoids are the mini brains.
SciShow
How to Upload Your Mind
Uploading your mind to a computer might one day let humans cheat death. The technology’s a long way off, but researchers are working on closing that gap. This episode was brought to you and inspired by the movie Self/less.
SciShow
Meet Your Microglia: Your Brain's Overlooked Superheroes
When talking about the brain, neurons have been dazzling scientists for a long time. But behind every successful neuron is a glial cell - particularly one type of them: microglia.
SciShow
How Mind-Controlling Parasites Teach Us About Brains
Some parasites can hijack the brains of their victims and cause them to behave in strange ways, but how they do it, and do we humans need to be worried?
SciShow
These Pigeons Have Built-In Warning Alarms
Scientists have figured out that some birds come with built-in alarm calls in their wings
SciShow
Why Babies Are (Scientifically) Amazing
Babies are amazing, tiny humans. They’re so fascinating that we’ve done a lot of videos about them, so we’ve collected a bunch of our favorites here for you to enjoy!
TED-Ed
TED-ED: Why the insect brain is so incredible - Anna St_ckl
The human brain is one of the most sophisticated organs in the world, a supercomputer made of billions of neurons that control all of our senses, thoughts, and actions. But there was something Charles Darwin found even more impressive:...
TED-Ed
TED-ED: How do animals experience pain? - Robyn J. Crook
Humans know the surprising prick of a needle, the searing pain of a stubbed toe, and the throbbing of a toothache. We can identify many types of pain and have multiple ways of treating it - but what about other species? How do the...
SciShow
A Blood Test for Brain Damage, and AI Eye Doctors
This week the FDA approves the first ever blood test for diagnosing concussions, and a group of scientists develop a neural network that could save you a trip to the eye doctor.
TED-Ed
TED-Ed: How do our brains process speech? | Gareth Gaskell
The average 20-year-old knows between 27,000 and 52,000 different words. Spoken out loud, most of these words last less than a second. With every word, the brain has a quick decision to make: which of those thousands of options matches...
SciShow
We Finally Know How Anesthesia Works
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.
Crash Course
Neural Networks and Deep Learning
Today, we're going to combine the artificial neuron we created last week into an artificial neural network. Artificial neural networks are better than other methods for more complicated tasks like image recognition, and the key to their...
TED Talks
Neil Burgess: How your brain tells you where you are
How do you remember where you parked your car? How do you know if you're moving in the right direction? Neuroscientist Neil Burgess studies the neural mechanisms that map the space around us, and how they link to memory and imagination.
TED-Ed
TED-Ed: Why is it so hard to cure ALS? - Fernando Vieira
Amyotrophic Lateral Sclerosis (ALS), also called motor neuron disease and Lou Gehrig's Disease, affects about two out of every 100,000 people worldwide. When a person has ALS, their motor neurons - the cells responsible for all voluntary...
TED-Ed
TED-Ed: How spontaneous brain activity keeps you alive - Nathan S. Jacobs
The wheels in your brain are constantly turning, even when you're asleep or not paying attention. In fact, most of your brain's activities are ones you'd never be aware of - unless they suddenly stopped. Nathan S. Jacobs takes us inside...
TED-Ed
TED-Ed: How close are we to uploading our minds? | Michael S.A. Graziano
Imagine a future where nobody dies— instead, our minds are uploaded to a digital world. There they could live on in a realistic, simulated environment with avatar bodies, calling in and contributing to the biological world....