Howard Hughes Medical Institute
Development of the Human Embryonic Brain
Viewers follow the development of a human embryo, the brain, and the number of neurons at each stage. They learn when the brain stops growing and the importance of neural connectivity.
Howard Hughes Medical Institute
Repellant Ephrin Signals Guide Limb Innervations
The foot bone connects to the leg bone, but how? Learn about how neurons grow in the proper direction thanks to signalling. Observe what happens when they encounter a repulsive ephrin signal and the correction process that takes place.
Howard Hughes Medical Institute
Development of the Cerebral Cortex
How do the many parts of our brains form as we grow and develop? Peer inside a developing brain using a short video. Topics include stem cells, differentiation, and the unusual way these specialized neurons organize themselves throughout...
Howard Hughes Medical Institute
Autism and the Structure and Function of Synapses
Take autism awareness in your class to a whole new level. Scholars watch a short video to discover how autism affects the brain. The narrator discusses the effects of altered proteins on neural synapses and the role the nucleus plays in...
Amoeba Sisters
Specialized Cells: Significance and Examples
All cells are created equal, but some go on to do amazing things! Find out more about these super hero cells with a short video from a well-written biology playlist. Topics include specialized plant and animal cells and how cells know to...
Crash Course
Memory: Crash Course Study Skills #3
It can be frustrating to forget information that you need later on, but the brain is only meant to take on so much data at a time. A video from a longer playlist about study skills discusses the details of memory, including the...
SciShow
Why Do We Itch?
What causes bug bites and other irritants to itch? Science scholars discover the body chemistry responsible for itching in the 130th video in a 143-part series. Topics include conditions that cause itching, the neurotransmitter...
MinuteEarth
Epigenetics: Why Inheritance Is Weirder Than We Thought
Can learned traits be passed down to future generations? The video explains epigenetics, which is the change in organisms caused by a modification of genes and not the genetic code. Using the example of lab rats passing on a sensitivity...
TED-Ed
How Do Drugs Affect the Brain?
Injection, taking a pill, or inhaling are the three main ways to administer a drug. But how do these drugs affect the brain? Watch a video that explains how neurons use neurotransmitters to communicate to one another in the brain.
TED-Ed
What Does Lead Poisoning Do To Your Brain?
Despite government regulations and improved housing quality, lead poisoning is still an issue today. But what are the implications of lead exposure to a person's brain and neural activity? Learn more in a video that uses animation to...
Crash Course
The Nervous System – Synapses! (Part 3)
The narrator of this short video breaks down synapses and how they work in video number 10 in a series of 47 about the human body. It specifically focuses on electrical and chemical synapses and how they work, and ends by exploring...
Crash Course
Sympathetic Nervous System
The sympathetic nervous system's job is to prepare the body in situations that threaten your survival. Video 14 in a series of 47 about the body specifically focuses on the sympathetic nervous system and stress. The narrator explains how...
Crash Course
The Nervous System (Part 1)
If you line up all of the neurons in your body, they would stretch almost 600 miles! The seventh video in a series of 47 and explore the nervous system, both central and peripheral. The narrator teaches the organization and composition...
Crash Course
Parasympathetic Nervous System
The parasympathetic nervous system, the system responsible for calming the body down and maintaining homeostasis during non-crisis times, is the focus of a video that explores how the similarities and differences between the...
Crash Course
The Nervous System – Action! Potential! (Part 2)
There are about 100,000 chemical reactions happening in your brain every second to help you sense and respond to the world around you. After a brief review of electricity, the narrator explores the action potential neurons used to sense...
TED-Ed
The Neuroscience of Imagination
The imagination is a very strong concept and capable of creating many things. Thanks to neural ensemble, our brains are able to piece together images that we've seen and create images that we've never seen—or simply dreamt up. Learn...
SciShow
Top 5 Deadliest Substances on Earth
A crystal, the size of a grain of sand, of botulinum can kill 9,600 people. Viewers learn more about the five deadliest natural substances based on their ability to kill quickly with a video that also explains how these substances are...
TED-Ed
How Does Your Body Know What Time It Is?
Do you often go to bed and wake up around the same time? Does your stomach begin to growl at the same time before eating lunch? This pattern is known as a circadian rhythm. Watch a video that explains the physiological phenomenon and how...
Bozeman Science
Nervous System
The average adult human brain contains 100 billion neurons. In the video, scholars learn about brain lateralization and how different portions of our brain do different things. Learners then explore neurons, learning their parts and how...
Crash Course
The Nervous System
What do you call a brain without one billion neurons? A no-brainer! The narrator of a video about the brain and the differences between the central and peripheral nervous systems walks viewers through both systems, explaining how they...
TED-Ed
Why the Insect Brain Is So Incredible
What makes an insect's brain so marvelous? Insects have tiny nervous systems that are more complex than you think. Surprisingly, there are quite a few similarities between an insect's brain and a human's brain. Watch an engaging video to...
TED-Ed
How does anesthesia work?
Many people know the feeling of counting backward from 100 before a surgical procedure begins, but what actually happens between number 99 and waking up after surgery? Watch a short video about the different types of anesthesia, the...
TED-Ed
Could Your Brain Repair Itself?
Is your brain running a little slow? Just reboot it and you'll be good to go. This advice may sound ridiculous, but by watching this video you will learn how through a process called neurogenesis, adult brains are able repair...
TED-Ed
How Spontaneous Brain Activity Keeps You Alive
We all know that the brain is responsible for our thoughts, actions, memories, and emotions, but it's far busier than we can possibly imagine. Watch this short video as it explores how life as we know it is made possible...