3Blue1Brown
Cramer's rule, explained geometrically | Essence of linear algebra, chapter 12
What Cramer's rule is, and a geometric reason it's true
3Blue1Brown
Abstract vector spaces | Essence of linear algebra, chapter 11
What is a vector space? Even though they are initial taught in the context of arrows in space, or with vectors being lists of numbers, the idea is much more general and far-reaching.
Crash Course
Crash Course European History Preview
John Green is teaching history again. This time, we're looking at the history of Europe in 50 episodes. We'll start at the tail end of the so called Middle Ages, and look at how Europe's place in the world has developed and changed in...
Bozeman Science
Mathematics - Biology's New Microscope
Paul Andersen (with the help of PatricJMT) explains why mathematics may be biology's next microscope.
SciShow
Is There Such a Thing As An Addictive Personality?
Some online quizzes would have you believe the idea that certain people have a specific “personality type”. But is an “addictive personality” a real thing?
PBS
Time Crystals!
In this episode of the Space Time Journal Club Matt discusses how two independent research teams created their own Time Crystals, a form of matter that breaks time translational symmetry and could be used in quantum computers.
Bozeman Science
Practice 6 - Constructing Explanations and Designing Solutions
Paul Andersen explains how scientists modify theories by constructing explanations. He also discusses the cycle of design used by engineers to solve problems. He starts by defining a theory as a well-established explanation of a...
Bozeman Science
Bioenergetics
Paul Andersen introduces the concept of bioenergetics. He explains how living organisms utilize free energy in the Universe. He begins with a brief discussion of thermodynamics and Gibbs free energy. He then explains how reactions can be...
Crash Course
What Can You Learn from Your Competition? Crash Course Business Entrepreneurship
We’re used to competitions with clear winners and losers: baseball games, math olympiads, pie-eating contests, and games involving thrones. We crown a victor and everyone else goes home empty-handed! In business, though, there isn’t just...
Crash Course Kids
Hunting for Properties
Remember pre-school? If not, IT WAS SO MUCH EASIER! But when you were stacking blocks and figuring out which block went into which shaped hole, you were learning about properties. In this episode of Crash Course Kids, Sabrina talks about...
SciShow
There's More Than One Bipolar Disorder
There are a number of stereotypes about bipolar disorder, but they stray pretty far from what the reality is—especially since there are multiple subtypes that all have their own sets of symptoms.
SciShow
The Dangerous History of Electroconvulsive Therapy, and How It’s Used Today
We’ve had a number of false starts that did more harm than good to figure out new treatments, and ECT is one of those treatments that came from a complicated history.
Bozeman Science
Teaching Evolution is Not Optional
Paul Andersen teams up with Keith Hughes to explain why teaching evolution is not optional for high school biology teachers.
TED-Ed
TED-Ed: Did the Amazons really exist? - Adrienne Mayor
It was long assumed that Amazons, the fierce and fearsome women warriors of Greece, were imaginary. But curiously enough, stories from ancient Egypt, Persia, the Middle East, Central Asia, India and China also featured Amazon-like...
TED-Ed
TED-ED: Grammar's great divide: The Oxford comma - TED-Ed
If you read "Bob, a DJ and a clown" on a guest list, are three people coming to the party, or only one? That depends on whether you're for or against the Oxford comma -- perhaps the most hotly contested punctuation mark of all time. When...
TED Talks
Darrick Hamilton: How "baby bonds" could help close the wealth gap
Hard work, resilience and grit lead to success, right? This narrative pervades the way we think, says economist Darrick Hamilton, but the truth is that our chances at economic security have less to do with what we do and more to do with...
Crash Course
Rorschach & Freudians: Crash Course Psychology
Herman Rorschach (no, not the guy from Watchmen) came up with the eponymous tests, but what do they mean? Why are we so fascinated with them despite the division in the world of Psychology? Hank tackles these topics as we take a closer...
SciShow
Can Moving Your Eyes Re-Code Your Memories?
The simple eye movements involved in EMDR therapy are supposed to help you reprocess traumatic memories, but does it actually work?
Bozeman Science
Why Are Cells Small?
The lower half of Mr. Andersen's head explains why cells are small. This video begins with a simple geometry problem and ends with a discussion of Allen's Rule and reasoning for the microscopic nature of cells.
Crash Course
Crash Course Film Production Preview
Welcome to Crash Course Film Production, our 15 part series on how movies are (generally) made and who does what job and when... it's a lot to cover. Your host, Lily Gladstone, will be taking you through this series so let's get to know...
3Blue1Brown
But what is the Fourier Transform? A visual introduction.
An animated introduction to the Fourier Transform, winding graphs around circles.
SciShow
What People Get Wrong About Schizophrenia
This is a re-upload of a previous episode. Thanks to one of our astute viewers for pointing out the last episode was problematic, and thanks to all our viewers that help us think about the world more complexly!
PBS
What a Dinosaur Looks Like Under a Microscope
We traveled to Bozeman, Montana to meet with Dr. Ellen-Therese Lamm who explores ancient life by studying it at the cellular level. Kallie and Dr. Lamm discuss how she does this, and what she's learned by putting dinosaur bones under a...
PBS
The One-Electron Universe
Could it be that all the electrons in the universe are simply one, single electron moving back and forth through time?