In the final episode of Crash Course Black American History, Clint Smith teaches you about the Black Lives Matter movement. We'll discuss some of the major events that contributed to the rise of BLM, including the deaths of Trayvon...

What are limits? How are they defined? How are they used to define the derivative? What is L'Hospital's rule?

Why Does Earth Have Deserts? For the same reason it has Rainforests: Hadley Cells!!!

How to think about matrix multiplication visually as successively applying two different linear transformations.

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.

SciShow graphics guy Louey Winkler discusses LED contact lenses and the implications of enhancing and assisting human beings with technology, and then attempts to stump Hank with a physics riddle. Jessi from Animal Wonders shares Stumpy...

If you uncover a bunch of rolly pollies under a log, you don't expect to find a bright blue one crawling among all the usual grays and browns. But it turns out your fun surprise is some very bad luck for that terrestrial isopod.

One of the most commonly googled questions in the world is why feces can be green. Well, Quick Questions has the answer!

SciShow explains the genetics -- and physics -- behind why blue eyes are blue, and what the future may be for the trait. Spoiler alert: Blue eyes aren't really blue! SciShow explains!

How do you think about the column space and null space of a matrix visually? How do you think about the inverse of a matrix?

Some foundational ideas in linear algebra: Span, linear combinations, and linear dependence.

How do we know atoms exist? And just how big are they? Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.

What is the Riemann zeta function? What is analytic continuation? This video lays out the complex analysis needed to answer these questions.

A clever mechanical proof of Snell's law.

Logarithms are confusing, but perhaps some alternate notation could make them more intuitive.

How to think of 3x3 matrices as transforming 3d space

Science is delicious.

A mini-lesson on observational patterns.

When you think of matrices as transforming space, rather than as grids of numbers, so much of linear algebra starts to make sense.

How worried should you be when your urine isn't yellow, but instead it's green, red, or even black?

Composting is a way to turn scraps of food you aren't going to eat anymore into healthy soil for your garden! But how does food turn in to dirt?! Mister Brown and Squeaks take a trip to SoilCycle, a place that makes compost in...

Emerging research suggests that paintings might be more than just pretty pictures: how we process what we see in paintings might also impact the way we process the world around us.

Join Jessi and Squeaks as they talk about some things you can do to make the earth a better place!

Between 2008 and 2016, the United States deported more than three million people. What happens to those left behind? Journalist Duarte Geraldino picks up the story of deportation where the state leaves off. Learn more about the wider...