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How Do We Keep Life's Jenga Tower From Toppling?

Adults Human
Some scientists believe we are in the middle of Earth’s sixth mass extinction: a big, precarious game of Jenga that involves every ecosystem on the planet.

Importance of Oceans for Kids | Learn why Earth's oceans are so significant

Youth Human
We hope you and your student(s) enjoyed learning about the world's beautiful ocean! If you want to learn even more, head over to our website and download one of our many lesson plans about the ocean, full of activities, worksheets, and more!

How A Nuclear War Will Start - Minute by Minute

Adults Human
This video was made possible through a grant by Open Philanthropy.

Can Laughter Reduce Pain?

Youth Human
Can laughter actually reduce the pain you experience? Tune in and watch this incredible experiment to find out!

Why is it so hard to break a bad habit?

Youth Human
Explore the psychology behind how good and bad habits are formed, and get tips on how to manage these behaviors.

Guy Bluford, First African American in Space: 40 Years of Inspiration

Youth Human
In 1983, NASA’s Guy Bluford broke barriers and made history as the first African American astronaut in space. Hear from Bluford himself, see footage from his Space Shuttle missions, and celebrate the milestones that forever changed the landscape of space exploration.

Why Can't I Grow More Teeth?

Adults Human
How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives? And how come some other mammals get to cheat the system? From elephants to baboons, we'll learn why teeth don't grow back.

How to enter flow state

Adults Human
Explore the defining features of being in a flow state, and get tips on how you can find flow in your daily life.

The Power of an Image – and the Mind behind It | Misan Harriman | TED

Adults Human
As a neurodivergent child going to school far from home, Misan Harriman found solace in the internet -- "an endless library of the extraordinary," as he calls it.

How This Guy Became The Best Rock Skipper On The Planet | Obsessed | WIRED

Adults Human
Kurt Steiner is record holding champion stone skipper—and a master of the physics that underpin the sport. A labor of love that's evolved into a world-class passion, see where Kurt harvests his preferred rocks, the qualities he seeks in them, and each factor he considers in order to throw like a pro.

How Species Make and Break Friendships

Adults Human
Community ecology is the study of interactions between different species of living things, and lets ecologists examine the effects of predator-prey relationships, parasites, and mutually beneficial interactions. In this episode of Crash Course Biology, we’ll examine the myriad interspecies interactions with examples, see how keystone species impact their environment and explore how communities rebuild when they are disrupted, through the lens of the 1980 eruption of Mount St. Helens.

The #1 way to strengthen your mind is to use your body | Wendy Suzuki

Adults Human
Exercise gives your brain a “bubble bath of neurochemicals,” says Wendy Suzuki, a professor of neural science.

What was life like for a court jester? - Beatrice K. Otto

Adults Human
Contrary to common belief, jesters weren’t just a medieval European phenomenon but flourished in other times and cultures. The first reliably recorded jester is thought to be You Shi, of 7th century BCE China. Jesters had unique relationships to power: they could be viewed as objects of mockery or as entertainers and trusted companions. Beatrice K. Otto digs into history's most infamous jokers.

In The Future, Death Will Be Different

Adults Human
In the future, humans will likely die of a very different suite of causes than we do now, thanks to advances in healthcare, an aging population, and changes in the environment.

Creating a Food Forest | Farm Dreams

Adults Human
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.

Blindness Isn't a Tragic Binary — It's a Rich Spectrum | Andrew Leland | TED

Adults Human
When does vision loss become blindness? Writer, audio producer and editor Andrew Leland explains how his gradual loss of vision revealed a paradoxical truth about blindness -- and shows why it might have implications for how all of us see the world.

Life in Alaska: Keeping an eye out for salmon and bears | Alaska: The Next Generation

Adults Human
Joel Jacko checks the waterways filled with spawned salmon that are attracting an abundance of nearby animals and predators.

The Reason Why Cancer is so Hard to Beat

Adults Human
An undead city under siege, soldiers and police ruthlessly shooting down waves of zombies that flood from infected streets, trying to escape and infect more cities. This is what happens when your body fights cancer, more exciting than any movie.

Neuroscientist debunks ‘lizard brain’ myth | Lisa Feldman Barrett

Adults Human
Plato famously described the human psyche as two horses and a charioteer: One horse represented instincts, the other represented emotions, and the charioteer was the rational mind that controlled them.

Humans Living Alongside Brown Bears

Adults Human
In the remote Japanese island of Hokkaido, salmon is abundant, attracting both brown bears and fishermen alike.

Why do some artists become famous?

Adults Human
Success in the art world can mean different things to different artists. While some artists work solely for the pleasure of producing art, others seek external recognition, such as being shown in prestigious galleries or museums, and selling their craft. The latter — profitability, recognition, demand — is how success is traditionally defined in the field.