SciShow
We Were Super Wrong About Mental Illness The DSM’s Origin Story
We reference the DSM pretty frequently on SciShow Psych, and for good reason: it’s considered the gold standard for professional mental health diagnosis in the United States, but it was an interesting journey to get there.
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.
3Blue1Brown
What does area have to do with slope? | Essence of calculus, chapter 9
Derivatives are about slope, and integration is about area. These ideas seem completely different, so why are they inverses?
Crash Course
Personhood: Crash Course Philosophy
Now that we’ve started talking about identity, today Hank tackles the question of personhood. Philosophers have tried to assess what constitutes personhood with a variety of different criteria, including genetic, cognitive, social,...
SciShow
Why River Otters Have Bones… In Their Hearts
Most mammals can develop bones in their hearts. For humans, it's usually a bad thing, but for river otters, it could be a useful adaptation.
Be Smart
Where Did Life Come From? (feat. PBS Space Time and Eons!)
The origin of life is one of the most important mysteries in all of science. When did life begin? How did life first evolve from chemistry? Where did life get started? In some primordial soup or somewhere else? Let's journey back to the...
TED Talks
Halla Tómasdóttir and Bryn Freedman: The crisis of leadership -- and a new way forward
What should modern leadership look like? Entrepreneur and former Icelandic presidential candidate Halla Tómasdóttir thinks global leaders need to change their ways -- or risk becoming irrelevant. In a conversation with curator Bryn...
Bozeman Science
AP Biology Practice 3 - Formulate Questions
Paul Andersen explains how to formulate questions to guide discussions and investigations. He starts by describing the proper type of questions that should be asked in an AP Biology classroom. He gives four examples of questions that...
TED Talks
Dan Meyer: Math class needs a makeover
Today's math curriculum is teaching students to expect -- and excel at -- paint-by-numbers classwork, robbing kids of a skill more important than solving problems: formulating them. Dan Meyer shows classroom-tested math exercises that...
Bozeman Science
Practice 3 - Planning and Carrying Out Investigations
Paul Andersen explains how investigations are used by scientists to answer questions and by engineers to test designs. He delineates be investigative and observational science. He demonstrates the formation of a good question the design...
TED Talks
TED: Making sense of string theory | Brian Greene
Physicist Brian Greene explains superstring theory, the idea that minscule strands of energy vibrating in 11 dimensions create every particle and force in the universe.
TED-Ed
TED-Ed A brief history of graffiti - Kelly Wall - MENA
Spray-painted subway cars, tagged bridges, mural-covered walls -- graffiti pops up boldly throughout our cities. And it turns out: it's nothing new. Graffiti has been around for thousands of years. And across that span of time, it's...
Crash Course
Language & Meaning: Crash Course Philosophy
Today we start our unit on language with a discussion of meaning and how we assign and understand meaning. We’ll cover sense and reference, beetles in boxes, and language games. We’re also getting into the meaning-making game ourselves:...
Bozeman Science
Objects
In this video Paul Andersen explains how a system can be viewed as an object and an object can be viewed as a system.
SciShow
Am I Really A Visual Learner?
You might consider yourself a visual learner, but is there really a way to categorize different types of students?
TED Talks
Conrad Wolfram: Teaching kids real math with computers
From rockets to stock markets, many of humanity's most thrilling creations are powered by math. So why do kids lose interest in it? Conrad Wolfram says the part of math we teach -- calculation by hand -- isn't just tedious, it's mostly...
TED Talks
TED: Let's put birth control back on the agenda | Melinda Gates
Contraception. The topic has become controversial in recent years. But should it be? Melinda Gates believes that many of the world's social change issues depend on ensuring that women are able to control their rate of having kids. In...
SciShow
Studying Polar Bears from a Monster Truck | SciShow Talk Show
BJ Kirschhoffer from Polar Bears International discusses polar bear behavior and Jessi from Animal Wonders brings on an animal that lives near polar bears, an arctic fox!
PBS
Is the Universe a Computer?
The universe is made up of information, similar to a computer, and physics (you know, the basis of the universe) certainly is based on computational principles. But is it running some grand program? Will the answer be 42? Make sure you...
Crash Course Kids
Look Who's Talking
Plants! We absolutely depend on them. Oxygen, food, and looking super nice to boot! But, plants have a lot more going on than meets the eye. How do we know that? Investigations and Experimentations!
PBS
Solving the Wolverine Problem with Graph Coloring
At one time, Wolverine served on four different superhero teams. How did he do it? He may have used graph coloring.
SciShow
This Is What Climate Change Feels Like
Hank brings you the SciShow news of the week. Recent record high temperatures and other extreme weather events around the world are climate change in action; a new fossil of an ancient human ancestor; some disturbing discoveries about...
TED Talks
TED: How isolation fuels opioid addiction | Rachel Wurzman
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. What do Tourette syndrome, heroin addiction and social media obsession all have in common? They converge in an area...
SciShow
SciShow Quiz Show: Weird Facts About Humans
Hank squares off against the host of SciShow Kids, Jessi Knudsen Castaneda, to match wits about chemistry, evolution, and how babies are weird!