SciShow Kids
Water Made the Grand Canyon! | SciShow Kids
New ReviewBill 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?
Crash Course
Speciation: Where Do Species Come From?: Crash Course Biology #15
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...
MinuteEarth
Why Don’t All Rivers Make Canyons?
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.
Be Smart
How Was the Grand Canyon Formed?
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...
PBS
The Giant Bird That Got Lost in Time
The California condor is the biggest flying bird in North America, a title that it has held since the Late Pleistocene Epoch. It's just one example of an organism that we share the planet with today that seems lost in time, out of place...
PBS
When a Billion Years Disappeared
In some places, the rocks below the Great Unconformity are about 1.2 billion years older than those above it. This missing chapter in Earth’s history might be linked to a fracturing supercontinent, out-of-control glaciers, and maybe the...
SciShow
Is the Mystery of Earth's 1.2 Billion Missing Years Solved? | SciShow News
For the last hundred and fifty years or so, geologists have been trying to wrap their heads around the mystery: in some places, the geologic record just seems to jump by over billion years. And last week, a paper was published that may...
Crash Course
What Are Rocks and How Do They Form? Crash Course Geography
From towering mountains to pebbles along a river, the Earth is made of a huge variety of rocks. In today's episode, we're going to follow the rock cycle of a piece of granite in the Himalayan mountains, and as you'll see, every rock has...
TED Talks
Eva Vertes: Meet the future of cancer research
Eva Vertes -- only 19 when she gave this talk -- discusses her journey toward studying medicine and her drive to understand the roots of cancer and Alzheimer’s.
TED Talks
Chris Bangle: Great cars are great art
American designer Chris Bangle explains his philosophy that car design is an art form in its own right, with an entertaining -- and ultimately moving -- account of the BMW Group's Deep Blue project, intended to create the SUV of the future.
SciShow
How Awe Changes You
Whether you get it from standing on the top of Mount Everest or watching a video about the size of the universe on SciShow Space, awe can be a powerful, transformative emotion.
TED Talks
Charles Elachi: The story behind the Mars Rovers
At Serious Play 2008, Charles Elachi shares stories from NASA's legendary Jet Propulsion Lab -- including tales and video from the Mars Rover project.
SciShow Kids
Why Do I Feel Sick in the Car?
Road trips can be fun, but have you ever gotten sick from riding in a car? That's called motion sickness, and it turns out that it's a really common problem!
TED Talks
Cara E. Yar Khan: The beautiful balance between courage and fear
After being diagnosed with a rare genetic condition that deteriorates muscle, Cara E. Yar Khan was told she'd have to limit her career ambitions and dial down her dreams. She ignored that advice and instead continued to pursue her...
Crash Course Kids
A Change of Scenery
The world changes. It really does! But sometimes it changes so slowly that we don't notice it. Other times it changes REALLY FAST!!! In this episode of Crash Course Kids, Sabrina talks about some of the reasons things can change quickly...
TED Talks
Jill Shargaa: Please, please, people. Let's put the 'awe' back in 'awesome'
Which of the following is awesome: your lunch or the Great Pyramid of Giza? Comedian Jill Shargaa sounds a hilarious call for us to save the word "awesome" for things that truly inspire awe.
TED Talks
TED: The moral roots of liberals and conservatives | Jonathan Haidt
Psychologist Jonathan Haidt studies the five moral values that form the basis of our political choices, whether we're left, right or center. In this eye-opening talk, he pinpoints the moral values that liberals and conservatives tend to...
SciShow Kids
The Grand Canyon!
Nature creates some pretty amazing things, and one of the largest of these is The Grand Canyon!
Crash Course
Mythical Caves and Gardens: Crash Course World Mythology
This week, Mike Rugnetta is teaching you about mythical gardens and caves, which appear in cultures all over the world. Caves and gardens can stand for different things, but in the two stories we're talking about today, they tie into the...
Crash Course
Mars
The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet's topography, core, and features. We'll take a look back to...
Kids’ Poems and Stories With Michael Rosen
Uncle Gobb and the Green Heads – Chapter 2, Part 2
New ReviewUncle Gobb and the Green Heads – Chapter 2, Part 2
Bedtime History
The Grand Canyon: Science, History, and Wonder
New ReviewThe 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...
The Daily Conversation
Before-And-After Satellite Images of Earth from Space
These images show how quickly Earth’s environment can change, from shrinking lakes like the Aral Sea to melting glaciers and wildfires in Yellowstone. Human actions like farming, building dams, and digging for oil are also changing...