Humans love to decorate, and that's been true for a long time. Early humans have been painting on the walls for tens of thousand of years, and their work helped us understand a lot about their world and our own. From Lascaux Cave in...

Jessi and Sam learn about sedimentary rocks and show how you can use vinegar to identify a piece of limestone.

Of course, the ancient Egyptians were probably not the first people to ever wear clothing, but we haven’t found any clothes older than the Tarkhan Dress. So how can we figure out when we first started wearing clothes? Well, it turns out...

We know pollution is a problem on earth, but we’re filling space with our junk too. And if we don’t figure out a way to clean up space junk, we could end our interstellar dreams before they even get started. Today, we’re visiting some...

We've all heard about microplastics, but where do they come from? And what can we do about ocean plastics? We'll follow a single water bottle on its journey to the Great Pacific Garbage Patch and beyond.<b<br/>r/>

Hosted by: Stefan Chin

There's a rare material called Darwin Glass that Tasmanian Aboriginals have prized for centuries. And while it took Western researchers a while to figure out what it was and where it came from, once they got their heads around it, they...

How does the information from mRNA turn into a protein? It all comes down to translation, where nucleotides are translated into a chain of amino acids. In this episode of Crash Course Biology, we’ll cover codon-reading ribosomes, tRNA...

Most trees reach for the sun – but not the weeping willow. Why?

In 2024, NASA plans to send the first humans to the Moon (well, around the Moon) in over 50 years ago. And in order to get the necessary oomph to hurl those astronauts over there, NASA will be using its most powerful rocket ever: the...

Lots of people want to clean up the Great Pacific Garbage Patch, and plastics have a huge impact on ocean environments. But marine wildlife are already adapting to our plastic waste, which means cleaning it up isn't as simple as just......

The shape of a farm can tell you a surprising amount about the land it's on and the people that use it.

If you lost your arm almost immediately after being vaccinated, would you still be vaccinated?

While it’s probably most famous for its role in gene editing, CRISPR does more than just that: its ability to precisely cut and alter DNA could lead to new antibiotics, faster diagnosis tools, and more.

Have you ever wondered how our earth was created? Here is a brief history about the Earth.

This arthropod may look modest, but it actually used brilliant engineering to become the world’s most resilient beetle - and we might be able to use its design for our own engineering purposes.

Squeaks is back from visiting Sam the Bat’s cave and is excited to learn all about how different caves form and why they look the ways they do!

Squeaks, Jessi and Anthony are spending a bunch of time learning all about the wonders of caves in this compilation video!

Squeaks and Jessi are having all of their friends over for Thanksgiving, so they’re looking back at videos they made together so they can figure out what food to make!

After visiting Sam the Bat in his family’s cave, Squeaks is learning all about the rock icicles that are growing from the ceiling and the floor in the cave!

Jessi and Squeaks experiment with mixing things together and learn how to create a lot of foam!

On making math videos

While it’s probably most famous for its role in gene editing, CRISPR does more than just that: its ability to precisely cut and alter DNA could lead to new antibiotics, faster diagnosis tools, and more. Chapters CREATING ANTIBIOTICS 1:07...

Can we create new life out of our digital universe? Craig Venter asks. His answer is "yes" -- and pretty soon. He walks through his latest research and promises that we'll soon be able to build and boot up a synthetic chromosome. NOTE:...

To thrive in today's competitive economy, you need to constantly reimagine your business. So what's the secret to sustained success? Strategist Martin Reeves makes a pitch for embracing play to spark innovative business ideas -- and...