Today Hank brings us the news of a unique astronomical discovery - a rogue planet. He also allays our fears of an apocalyptic collision with Earth. So, this new planet is awesome, but it needs a different name - CFBDSIR...

Is Glass a Liquid?

David Logan talks about the five kinds of tribes that humans naturally form -- in schools, workplaces, even the driver's license bureau. By understanding our shared tribal tendencies, we can help lead each other to become better...

In this video Paul Andersen explains how modeling instruction can be used in the science classroom. Instead of presenting a model for the students the teacher presents and experience or experiment and the students develop the model.

How do sugar pills really interact with our bodies?

Join Jessi and Squeaks as they prepare a special meal for friends. You’ll learn some fun food science facts, like the difference between fruits and veggies and how your tongue works so you can taste food!

The bacteria in our guts can break down food the body can't digest, produce important nutrients, regulate the immune system, and protect against harmful germs. And while we can't control all the factors that go into maintaining a healthy...

Our friend Elliot thought we should do an episode about composting... so we did! Learn all about how you can turn certain types of trash into nutrient packed soil you can use in the garden!

Companies in the US spend billions of dollars each year on diversity, equity and inclusion initiatives, but subtle (and not so subtle) workplace biases often cost these initiatives -- and the people they're meant to help -- big time by...

Jessi and Squeaks look at some amazing creatures that they found in their garden: snails and slugs!

Why do we dance? African-American social dances started as a way for enslaved Africans to keep cultural traditions alive and retain a sense of inner freedom. They remain an affirmation of identity and independence. In this electric...

Did you know that Polymers save the lives of Elephants? Well, now you do! The world of Polymers is so amazingly integrated into our daily lives that we sometimes forget how amazing they are. Here, Hank talks about how they were developed...

In this episode of Crash Course Psychology, Hank has a look at that oh so troublesome time in everyone's life: Adolescence! He talks about identity, individuality, and The Breakfast Club.
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FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some keywords to get your googling started:



Malaria - a...

Blood banks need a constant supply of donors to maintain their supply, but some enzymes that are already in our bodies might be able to help!

You've seen it on your shampoo bottle, vitamins, and even your fancy moisturizing cream. But what does the phrase "clinically proven' actually mean?

When many individual organisms come together and move as one entity, that's a swarm. From a handful of birds to billions of insects, swarms can be almost any size. They have no leader, and members interact only with their neighbors or...

How successful are we compared to other species? It turns out that biomass, or what things weigh, can be more important than how many of something there are. Find out how our numbers stack up against everything from bugs to bacteria, and...

Each day, the animal kingdom produces roughly enough poop to match the volume of water pouring over Victoria Falls. So why isn't the planet covered in the stuff? You can thank the humble dung beetle for eating up the excess. Eleanor...

Are humans really Earth's most dominant species? Let's put all of the planet's living things on a scale and see what has amassed the most mass. This week we break down the concept of "biomass" to judge Earth's living things from top to...

If you've heard it once, you've heard it a thousand times: Parents blaming their kids' active behavior on sugar. But is it true? Hank gives you sweet-and-lowdown on the extent to which sugar can and can't affect behavior, in kids and...

Learn about our 5 main food groups with Jessi and Squeaks, then see if you can name them all!

After witnessing the atrocities of his fellow man in World War II, William Golding was losing his faith in humanity. Later, during the Cold War, as superpowers began threatening one another with nuclear annihilation, he was forced to...

It's the beginning of a new semester! We have some psychological tips that can help you to take better notes.