Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.

It was recently brought to our attention that there's a category here that we have covered quite a lot, and that people have… watched. Here's a selection of our absolute favorite SciShow Pee episodes!

We often think of the ocean’s tide as a simple rise and fall, connected to the motion of the Moon. But on any given shore, the reality is much more complex and oceanic scientists have realized recently that there’s another, more...

Good weather forecasts save lives, but scientists are worried that 5G transmissions could drown out frequencies measured by weather satellites, setting weather forecasts back decades.

Nestled in the forests of Canada sits the world's longest beaver dam. This 850-meter-long structure is large enough to be seen in satellite imagery and has dramatically transformed the region, creating a pond containing 70 million liters...

One potential avenue for cancer treatment uses electricity not from any outside machine, but from within our own bodies.

Lockdown math announcement

Why Do Rivers Curve

Flanked by two powerful nations, the English Channel has long been one of the world’s most important maritime passages. Yet for most of its history, crossing was a dangerous prospect. Engineers proposed numerous plans for spanning the...

We didn't understand how our bodies processed pain until recently. From hot peppers to slamming your hand in a drawer, recent research suggests that pain from various sources can be processed in a surprisingly similar way.

It was recently brought to our attention that there's a category here that we have covered quite a lot, and that people have… watched. Here's a selection of our absolute favorite SciShow Pee episodes!

Explore cell signaling with the Amoeba Sisters! This introductory video describes vocabulary such as ligand and receptor. It includes the stages of cell signaling (reception, transduction, and response) and different types of signaling...

Explore the sodium potassium pump (Na+/K+ pump), with the Amoeba Sisters! This video talks about why this pump is needed and provides an overview of this type of active transport. Table of Contents: 00:00 Intro 0:48 Introducing the...

Q&A #2 + Net Neutrality Nuance

When you look at Muslim scholar Dalia Mogahed, what do you see: A woman of faith? A scholar, a mom, a sister? Or an oppressed, brainwashed, potential terrorist? In this personal, powerful talk, Mogahed asks us, in this polarizing time,...

In the cathedral of the wild, we get to see the best parts of ourselves reflected back to us. Boyd Varty, a wildlife activist, shares stories of animals, humans and their interrelatedness, or "ubuntu" -- defined as, "I am, because of...

Today we’re going to talk about recommender systems which form the backbone of so much of the content we see online from video recommendations on YouTube and Netflix to ads we see on Facebook, Twitter, and well, everywhere else. We’ll...

In this collection of classic MinuteEarth videos, we take a look at one of Earth’s most critical - and unique - features.

Get introduced to protists and fungi with the Amoeba Sisters! This video explores basic cell type, mode of feeding, habitat examples, and ecology of both protists and fungi. This video also mentions a few examples of how protists and...

Strapped to a jet-powered wing, Yves Rossy is the Jetman -- flying free, his body as the rudder, above the Swiss Alps and the Grand Canyon. After a powerful short film shows how it works, Rossy takes the TEDGlobal stage to share the...

Today Hank talks with Vanessa Hill of BrainCraft about being an educational YouTuber, and how to use science to be better, and Jessi brings Cayenne the Patagonian cavy and Pumpkin the guinea pig in for a visit.

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Sounds in the ocean can travel more than 10,000 miles - that's halfway around the world! Here's how.

Have you ever wondered how your ears work? In this delightful and fascinating talk, biophysicist Jim Hudspeth demonstrates the wonderfully simple yet astonishingly powerful mechanics of hair cells, the microscopic powerhouses that make...