In which Mike Rugnetta teaches you about Ma'ui, prominent hero of many cultures in Oceania, aka the Pacific Island nations. Ma'ui is just the kind of hero we're interested in here at Crash Course. He's a culture hero, he's a an...

What if the change you fear most is actually the best thing for you? Change leader Kristy Ellmer shares a powerful lesson on how even the most difficult transitions, including layoffs and company-wide transformations, can open unexpected...

Making sure you get the right amount of daily vitamins can be difficult. Today, a booming multi-billion-dollar industry of gummy vitamins and supplements claims its products make it both easier and tastier. But how do they compare with...

The Acheulean handaxe was the most common tool of early humans, but we still don’t know what the heck they used it for.

Inattentional blindness is a phenomenon where we can be so focused on a given task, we completely miss some pretty bizarre object cross our line of vision. Like a gorilla in the middle of a basketball game. But exactly why it happens is...

Are there any non-human animals that take a task they don't want to do and think to themselves "Eh, I'll do it tomorrow"? Even if they know the task will be harder and/or more unpleasant by putting it off? One of our Patreon subscribers...

Flow is more than just concentrating or paying attention; it's a unique mental state of effortless engagement. And those who more frequently experience flow report higher levels of positive emotions, creativity, and feelings of...

Scientists were able to transfer a specific memory from one sea slug to another! And research suggests that focusing on your breathing could help you focus on other things as well!

Did you know that dogs can tell when you're stressed out? But how do they know? Turns out they can smell it! Join Hank for a new episode of SciShow and learn all about it! Hosted by: Hank Green (he/him)

Have you ever been forced to limit your identity to a single box on an application, survey or census questionnaire? For many, it is a futile and overall outdated exercise, especially for those with multiracial and multi-ethnic...

Is AI as smart as it seems? Exploring the "brain" behind machine learning, neural networker Alona Fyshe delves into the language processing abilities of talkative tech (like the groundbreaking chatbot and internet obsession ChatGPT) and...

In which Mike Rugnetta teaches you about Ma'ui, prominent hero of many cultures in Oceania, aka the Pacific Island nations. Ma'ui is just the kind of hero we're interested in here at Crash Course. He's a culture hero, he's a an...

So we've talked a lot about what makes games so great in this series, but we haven't really addressed the big question: why do we play games anyway? And well, the answer is pretty complicated, especially when you consider that some...

On this Crash Course in World Mythology, Mike Rugnetta is teaching you about floods and deluges, specifically in China. In Chinese myth, flood stories pretty much all revolve around a guy named Yu the Great, or Yu the Engineer. In the...

Kids get so excited to meet their favorite characters in real life, but studies show they might not really believe the the princess they met at a theme park is actually the cartoon character.

You’ve heard that dogs are basically furry toddlers, with cognitive abilities on par with a 2 year old human. But while that might make sense on some levels, the minds of distinct species can work very differently.

Taking design cues from origami, robotician Jamie Paik and her team created "robogamis": folding robots made out super-thin materials that can reshape and transform themselves. In this talk and tech demo, Paik shows how robogamis could...

When a very young child looks at a picture, she can identify simple elements: "cat," "book," "chair." Now, computers are getting smart enough to do that too. What's next? In a thrilling talk, computer vision expert Fei-Fei Li describes...

What if robots could build and optimize themselves -- with little to no help from humans? Computer scientist Emma Hart is working on a new technology that could make "artificial evolution" possible. She explains how the three ingredients...

When you see someone yawn, you're probably pretty likely to follow suit. But what makes it so contagious?

What happens when two monkeys are paid unequally? Fairness, reciprocity, empathy, cooperation -- caring about the well-being of others seems like a very human trait. But Frans de Waal shares some surprising videos of behavioral tests, on...

In Colchis, the hide of a mystical flying ram hangs from the tallest oak, guarded by a dragon who never sleeps. The only way Jason can pry it from King Aeetes' clutches and win back his promised throne is by facing three perilous tasks—...

When you feel like you can get so much done, and nobody can stop you, you might be experiencing what psychologists call "flow." But what’s actually happening to your brain when you're in that state?

AI can do some pretty amazing things, but if we want it to learn on its own, we're going to have to teach AI how to evolve.