Bill and Webb want to know: What's stronger, wind or water? Both of them can change the shape of the land. So which one does it better?

How can you tell two species apart? It’s not always simple. In this episode of Crash Course Biology, we’ll learn about speciation—a process that can happen over millions of years, or within a single generation. Along the way, we’ll...

The Grand Canyon is super-wide and super-deep, which might make you think that the Colorado River, which carved it, is particularly old or powerful. Or at least that's what I thought.

I was in Arizona recently for Phoenix Comic-Con, and had the amazing pleasure of seeing one of Earth's greatest natural wonders… the Grand Canyon. More than a mile deep, and several miles across, it just defies belief. But I couldn't...

How do you make a Grand Canyon?

As Squeaks continues to prep for his big trip with Jessi, Mr. Brown helps him learn all about how the wind outside the fort will also affect how long his airplane ride with Jessi takes!

Hank counts down some of the science superlatives from 2013: the first, biggest, strongest and longest things that were discovered, built or otherwise described. Find out his year's superlatives. They're the best!

We’ve done a surprising amount of exploration on Mars, from its atmosphere, to its surface, and miles deep into its canyons. But mapping its insides has been a quandary that we hadn’t been able to solve until last week!

All over the world, giant wave breaks appear because of underwater geology that supercharges their wave energy.

In the early 20th century, the US had expanded from coast to coast, but many cities in the southwest still lacked reliable water sources. The Colorado River's erratic flow and frequent floods made it unreliable for agriculture, and the...

So, how do engineers even figure out what problem needs to get fixed? And what's the difference between identifying a problem and just complaining about something. In this episode of Crash Course Kids, Sabrina talks about how we can all...

In our last episode, Sabrina talked about how Engineers define the problems they need to solve. But how do you know when you've actually solved a problem? What do you expect to happen that would equal success? In this episode, Sabrina...

When you look at a picture of Mars next to a picture of Earth, you might notice one big difference: Earth is covered in blue oceans and Mars doesn't seem to have any water at all! But scientists have discovered all kinds of...

Nature creates some pretty amazing things, and one of the largest of these is The Grand Canyon!

The Grand Canyon is one of the most iconic natural landmarks in the United States. Carved by the Colorado River over millions of years, it reveals a stunning geological history through its layered rock formations. Stretching 277 miles...

Howcast - Check out part 21 of this walkthrough for the FPS, Rage, from id software and beat "Destroy the Bomb Caches" with this online demo.

Canyon Del Sumero in Chiapas, Mexico, showcases stunning geological formations shaped by the GVA river. Towering cliffs, dense vegetation, and diverse wildlife define this natural wonder. Visitors can enjoy a 32-kilometer boat journey,...

From the wet to the mysterious, some of the world's most unusual hikes that will certainly earn you bragging rights.

Why Petra exists according to the Jordan Tourism Board w/ @VisitJordan #brighttrip #travelsmarter

Understanding Petra | What to Know Before You Go

How to Explore Utah’s Mighty Five

Discover the incredible history and engineering behind the Hoover Dam in this short and informative video. Learn how this massive concrete structure was built during the Great Depression and why it remains one of the most famous dams in...

Exploring Machu Picchu, Peru:Our adventure begins amidst the ancient ruins of Machu Picchu, offering insight into the fascinating culture of the Incas. Traverse breathtaking paths, uncover hidden treasures, and marvel at the...

Exploring Mexico City, Mexico:Our journey concludes in the historic streets of Mexico City, where we'll embark on a quest to uncover the remnants of ancient civilizations, including the Aztec Empire. Explore the fascinating ruins and...