On their opening weekend in March 2025, the New York Yankees hit 15 home runs. And the so-called torpedo bats they used to do it have real science behind them, thanks to MIT physicist Aaron Leanhardt. But how good are they really? In...

You've heard of fake purses, and fake food, and fake concert tickets. But fake fossils? Turns out forging evidence of life in the ancient past isn't as uncommon as you might think. From another work by the infamous forger of the Piltdown...

Space travel is infamous for the effects it can have on the human body. But some of those effects are a little more unusual than others. For example, if you ever had mono or chicken pox, it can reawaken those viruses that have been...

There's a hallucinogenic drug called ibogaine that some proponents say is the magic bullet for curing opioid addiction, sometimes in a single dose. But, it's illegal in a ton of countries. So let's talk about ibogaine, where it comes...

Nicotine is so addictive that most people who try to quit are not successful at first. So to up your chances of success, here's the data behind which methods are most effective, plus some cool ways you might be able to quit in the...

What was the biggest volcanic eruption of all time? Was it a huge explosion like Mt. Tambora? Not even close. In this episode, SciShow takes on the biggest volcanic eruptions to ever happen. Hosted by: Savannah Geary (they/them)

You may think of particle accelerators as massive underground tunnels like the Large Hadron Collider. But a new generation of accelerators are small enough to fit on a coin. Now the challenge is making them useful. Hosted by: Savannah...

You've heard of Stonehenge. It's that big rock circle over in England. But there's a lot more to it than that, and researchers have been studying it for centuries. From the people who lived near it to how and when it was made, here are...

China's Red Beach is a stunningly beautiful tourist destination. But the plants that make Red Beach red are hiding a secret -- one that could save other wetlands, if we can save this one first. Hosted by: Stefan Chin (he/him)

It's not just fictional sitcom characters who struggle with navigating an oversized sofa around a tight corner. Mathematicians have their own version of the problem, and have spent the last six decades trying to not just find the largest...

Today we're talking about the biggest snakes that ever lived -- like anacondas, pythons, and Titanoboa -- and how they evolved to be so big in the first place. Hosted by: Savannah Geary (they/them)

Antarctica probably isn't the first place you think of when you hear about volcanoes. But there's a lot happening under the icy tundra, and not all of it's a good thing. Here's how rising temperatures could lead to an even more explosive...

You may have heard some pretty bold claims about xylitol, a sugar substitute that's in a lot of things. And while it's definitely bad for dogs, it's great for people, and there's a lot of research out there about some surprising ways...

There's a complex, mysterious current running throughout the Atlantic Ocean, and it's in trouble. But to help save it, researchers need to understand it, and finding ways to study it has been a challenge. But it turns out that the secret...

Pamukkale, Turkey's Cotton Palace, is home to some of the most beautiful hot springs in the world. Located in the Denizli Basin, it's not only unique, but can tell us a surprising amount about the history of the site. Hosted by: Stefan...

How would you deal with sewage waste pollution? Here in Missoula, the answer was.... poplar trees. Here's the weird reason that these poplar trees are some of nature's best cleaners, and why our hometown heroes might not be so awesome...

On top of a volcano in Indonesia, there are three lakes. But these three neighbors couldn't be more different, since each of them is a different vivid hue. Let's talk about the weird chemistry atop Keli Mutu Volcano and the three...

Great white sharks have nothing on these terrifying jaws. Some marine animals have adaptations that turn their jaws into harpoons, fishing nets, claw machines, and more. Hosted by: Savannah Geary (they/them)

A biologist’s natural habitat is anywhere questions about life are being asked—whether the subject is a nematode or a narwhal, a single cell, or a whole ecosystem. In this episode of Crash Course Biology, we’re flipping the microscope...

Science offers a way of discovering and understanding the world around us, driven by questions and tested with evidence. And it’s a twisty-turny team effort— you won’t find many lone geniuses out there, or straight lines from hypothesis...

Biology is the study of life—a four-letter word that connects you to 4 billion years worth of family tree. The word “life” can be tricky to define, but a shared set of characteristics helps biologists identify living things. In this...

If you were really into gift shops as a kid, you probably loved to look at all the shiny geodes. But those little geodes are nothing compared to the mother of all geodes, found is in Put In Bay, Ohio. So let's talk about how this geode...

In the early 1960s, NASA rolled up to a US Navy facility in Pennsylvania with one goal in mind: stick its newly-minted astronauts into one of the most extreme centrifuges that has ever been built, and whirl them around really fast to...

You can dye your hair, you can get a tan, but the color of your eyes is pretty much set in stone - or is it? From weird diseases to temper flare-ups and even iris implants, here are just a few ways that your eye color might not be so...