Crash Course
The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P
Today Hank wraps up this look at your integumentary system and all the hard work it does protecting you from and helping you interact with the world around you. -- Table of Contents: Protects Your Body 1:25 Senses the Outside World 1:42...
3Blue1Brown
Matrix multiplication as composition | Essence of linear algebra, chapter 4
How to think about matrix multiplication visually as successively applying two different linear transformations.
3Blue1Brown
The other way to visualize derivatives
A visual for derivatives which generalizes more nicely to topics beyond calculus. Thinking of a function as a transformation, the derivative measure how much that function locally stretches or squishes a given region.
3Blue1Brown
Derivative formulas through geometry: Essence of Calculus - Part 3 of 11
Introduction to the derivatives of polynomial terms and trigonometric functions thought about geometrically and intuitively. The goal is for these formulas to feel like something the student could have discovered, rather than something...
3Blue1Brown
What they won't teach you in calculus
A visual for derivatives which generalizes more nicely to topics beyond calculus.
TED-Ed
TED-Ed: What are stem cells? - Craig A. Kohn
Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated cells with the power to become any tissue in our bodies. Craig A. Kohn describes the role of these incredible,...
3Blue1Brown
Matrix multiplication as composition: Essence of Linear Algebra - Part 4 of 15
How to think about matrix multiplication visually as successively applying two different linear transformations.
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....
Crash Course
Data Structures: Crash Course Computer Science
Today we’re going to talk about on how we organize the data we use on our devices. You might remember last episode we walked through some sorting algorithms, but skipped over how the information actually got there in the first place! And...
3Blue1Brown
Euler's Formula Poem - Pat 3 of 4
A silly poem encapsulating the ideas from the video about Euler's formula through graph theory.
Crash Course
Software Engineering: Crash Course Computer Science
Today, we’re going to talk about how HUGE programs with millions of lines of code like Microsoft Office are built. Programs like these are way too complicated for a single person, but instead require teams of programmers using the tools...
Crash Course
Programming Basics: Statements & Functions: Crash Course Computer Science
Today, Carrie Anne is going to start our overview of the fundamental building blocks of programming languages. We’ll start by creating small programs for our very own video game to show how statements and functions work. We aren’t going...
TED-Ed
TED-Ed: Can steroids save your life? | Anees Bahji
Steroids: they're infamous for their use in sports. But they're also found in inhalers, creams to treat poison ivy and eczema, and shots to ease inflammation. The steroids in these medicines aren't the same as those used to build muscle....
Amoeba Sisters
Nervous System
Join the Amoeba Sisters on this introduction to the Nervous System! This video briefly describes the division of the central nervous system (including going over some general areas of the brain) and the peripheral nervous system before...
Crash Course
Early Programming: Crash Course Computer Science
Since Joseph Marie Jacquard’s textile loom in 1801, there has been a demonstrated need to give our machines instructions. In the last few episodes, our instructions were already in our computer’s memory, but we need to talk about how...
TED-Ed
The world's most painful insect sting | Justin Schmidt
One of these three creatures is thought to possess the world's most painful insect sting: there's an ant that forages in rainforest canopies, a bee that protects a hive of delectable honey, and a wasp that paralyzes tarantulas. So which...
SciShow
4 Creatures You Can See With Your Own Microscope!
You might have been one of those lucky people that had a microscope to tinker with as a kid. But if you missed out on that, it’s not too late! If you’re interested in making your very own foray into the world of microscopy, here are four...
Crash Course
Autonomic Nervous System: Crash Course A&P
Hank takes you on a tour of your two-part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical...
MinuteEarth
Why You Can't Build A Clone Army... (Yet)
Because of the way genetic reprogramming works, it’s hard to make one clone based on an adult cell, and it’s almost impossible to make a second-generation one.
Amoeba Sisters
The Cell Cycle (and cancer) [Updated]
Explore the cell cycle with the Amoeba Sisters and an important example of when it is not controlled: cancer. Table of Contents: 00:00 Intro 1:00 Cell Growth and Cell Reproduction 1:42 Cancer (explaining uncontrolled cell growth) 3:27...
TED-Ed
TED-Ed: How a wound heals itself - Sarthak Sinha
Our skin is the largest organ in our bodies, with a surface area of about 20 square feet in adults. When we are cut or wounded, our skin begins to repair itself through a complex, well-coordinated process. Sarthak Sinha takes us past the...
SciShow
Victorian Pseudosciences: Brain Personality Maps
in 19th-century England, scientists were figuring out that certain parts of our brains were connected with certain parts of our bodies- but they came up with some terrible and misleading ideas that spread without rigorous scientific...
Be Smart
Do You Really Have Two Brains?
Are you a left-brained person or a right-brained person? Spoiler: You're neither.
3Blue1Brown
Tattoos on Math
After a friend of mine got a tattoo with a representation of the cosecant function, it got me thinking about how there's another sense in which this function is a tattoo on math, so to speak.