3Blue1Brown
What is backpropagation really doing? | Chapter 3, deep learning
An overview of backpropagation, the algorithm behind how neural networks learn.
TED Talks
TED: How I'm working for change inside my church | Chelsea Shields
How do we respect someone's religious beliefs, while also holding religion accountable for the damage those beliefs may cause? Chelsea Shields has a bold answer to this question. She was raised in the orthodox Mormon tradition, and she...
TED-Ed
TED-ED: The history of Tea - Shunan Teng
Tea is the second most consumed beverage in the world after water __ and from sugary Turkish Rize tea to salty Tibetan butter tea, there are almost as many ways of preparing the beverage as there are cultures on the globe. Where did this...
TED-Ed
TED-Ed: History vs. Sigmund Freud - Todd Dufresne
Working in Vienna at the turn of the 20th century, he began his career as a neurologist before pioneering the discipline of psychoanalysis, and his influence towers above that of all other psychologists in the public eye. But was Sigmund...
SciShow
The Salamander That Refuses to Grow Up
If you hear the word “baby-faced” you might picture a doe-eyed celebrity who never seems to age. But, really, you should be thinking of the axolotl. However, it is possible to transform these otherwise forever-babies, causing them to...
SciShow
Why Does Melted Cheese Taste So Much Better?
It goes on some of our favorite foods, and it can even make our least favorite foods taste better. Yes, we're talking about melted cheese.
TED-Ed
TED-ED: How aspirin was discovered - Krishna Sudhir
4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off a particular kind of tree and ate it, their pain disappeared. Little did they know that what they'd found was destined to influence the...
TED Talks
TED: What the Russian Revolution would have looked like on social media | Mikhail Zygar
History is written by the victors, as the saying goes -- but what would it look like if it was written by everyone? Journalist and TED Fellow Mikhail Zygar is on a mission to show us with Project1917, a "social network for dead people"...
Crash Course
Interest Groups: Crash Course Government and Politics
Today, Craig is going to talk about something you fans out there have been demanding for months - money in politics. Specifically, we're going to talk about special interest groups and their role in the U.S. political system. Special...
TED Talks
TED: Are ad agencies, PR firms and lobbyists destroying the climate? | Solitaire Townsend
An unnoticed industry worth two trillion dollars a year is influencing almost every carbon emission. Sustainability solution seeker Solitaire Townsend calls this sector the "X industry" (where "X" stands for influence), and it includes...
TED-Ed
TED-ED: How do focus groups work? - Hector Lanz
Focus groups have been widely used by organizations and individuals to find out how their products and ideas will be received by an audience. From the usage of household products to a politician's popularity, almost everything can be...
SciShow
Do You Have an Unconscious Mind?
Much like the biological processes in the rest of your body, a lot of your brain's psychological processes happen without you thinking directly about them,or even being aware of them.
3Blue1Brown
Linear transformations and matrices: Essence of Linear Algebra - Part 3 of 15
When you think of matrices as transforming space, rather than as grids of numbers, so much of linear algebra starts to make sense.
SciShow
Where Does the Solar System End?
SciShow Space explains how different experts define our the boundaries of our solar system and why it's way more complicated (and interesting) than it sounds.
SciShow
Does Color Really Affect How You Act?
The Internet has a lot to say about how color affects our mood and behavior, but it's not as cut and dry as it may sound.
SciShow
Coriolis Effect: IDTIMWYTIM
Does your toilet water drain differently than in the other hemisphere? Is it because of the Coriolis effect? Hank has some things to clarify about these questions, and more in this edition of I Don't Think It Means What You Think It Means.
TED-Ed
TED-ED: Who built Great Zimbabwe? And why? - Breeanna Elliott
Stretched across a tree-peppered expanse in Southern Africa lies the ruins of Great Zimbabwe, a medieval stone city of astounding wealth. Located in the present-day country of Zimbabwe, it's the site of the second largest settlement...
Crash Course
The Many Forms of Power: Crash Course Business - Soft Skills
In our second to last episode of Soft Skills, Evelyn talks to us about Power and how it's not always bad, not always good, and useful to understand. Enjoy!
SciShow
Why Does Skipping Coffee Give Me Headaches?
I normally drink about ten cups of coffee per day but today I decided to cut back and haven't had any caffeine but now my head hurts and I don't know why do YOU know why!?
TED-Ed
TED-Ed: How do your hormones work? - Emma Bryce
Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Emma Bryce...
MinutePhysics
Correlation CAN Imply Causation! | Statistics Misconceptions
This video is about how causal models (which use causal networks) allow us to infer causation from correlation, proving the common refrain not entirely accurate: statistics CAN be used to prove causality! Including: Reichenbach's...
SciShow
Mendel Got Extremely Lucky (...or Maybe He Lied)
Science, while often the result of a stroke of genius, can just as easily be a stroke of extraordinarily good luck. Mendel’s work just happened to be a mix of the two.
SciShow
The Taste of Color
To the average tongue, the color "red" doesn't have a flavor or a smell. But color can affect how we perceive the world in so many ways - including how things taste and smell!
Crash Course
The Vikings! - Crash Course World History 224
In which John Green teaches you about Vikings! That's right, one of our most requested subjects, the Vikings, right here on Crash Course. So what's the deal with Vikings? Well, the stuff you've heard about them may not be true. The...