Table saws, while quite useful for woodworking, are also dangerous machines, which is why some incredible safety mechanisms have been invented to help you remain one with your body parts.

Whether you're picking a place to eat or something to watch, machine learning helps us make smarter decisions in our daily lives.

Pods of killer whales inhabit the waters of every major ocean on Earth. Each family is able to survive thanks mainly to one member, its most knowledgeable hunter: the grandmother. These matriarchs can live 80 years or more and their...

When it comes to dangerous asteroids striking Earth, it's not a matter of if, it's a matter of when. We have begun to track projectiles large enough to destroy our planet, and we are in the clear for the foreseeable future. However,...

Eve Ensler, creator of "The Vagina Monologues," shares how a discussion about menopause with her friends led to talking about all sorts of sexual acts onstage, waging a global campaign to end violence toward women and finding her own...

Weeks from the Charter for Compassion launch, Karen Armstrong looks at religion's role in the 21st century: Will its dogmas divide us? Or will it unite us for common good? She reviews the catalysts that can drive the world's faiths to...

After serial photography became a thing, it wasn't long before motion pictures started to develop. And, at the front of that development was Thomas Edison, who you may know as an inventor and business person. In this episode of Crash...

TED talks about what to do when climate change feels unstoppable | Clover Hogan

If you're feeling anxious about climate change, you're not alone, but taking steps to help the world might also help you.

"The hardest part of my cancer experience began once the cancer was gone," says author Suleika Jaouad. In this fierce, funny, wisdom-packed talk, she challenges us to think beyond the divide between "sick" and "well," asking: How do you...

Why do we yawn? If you think the answer is BOR-ing, then maybe your brain's just overheated. Let Hank explain the new thinking behind why we ... hold on ... *yawn*. Excuse me.

In this video Paul Andersen explains how the angular momentum of an object if a product of the rotational inertia and the angular velocity. The rotational inertia depends on the mass, radius and shape of the rotating objects. A sample...

Researchers believe you can get reinfected with COVID-19, but we're not quite sure if that's a bad thing yet.

In the 13th century, Genghis Khan embarked on a mission to take over Eurasia, swiftly conquering countries and drawing them into his empire. But, legend has it that there was one obstacle that even he couldn't overcome: a towering wall...

Nora York gives a stunning performance of her song "What I Want," with Jamie Lawrence (keyboards), Steve Tarshis (guitar) and Arthur Kell (bass).

Willard Wigan tells the story of how a difficult and lonely childhood drove him to discover his unique ability -- to create art so tiny that it can't be seen with the naked eye. His slideshow of figures, as seen through a microscope, can...

SciShow Space has a disaster movie pitch for Hollywood: what would happen if the earth stopped spinning?

Collective compassion has meant an overall decrease in global poverty since the 1980s, says civil rights lawyer Gary Haugen. Yet for all the world's aid money, there's a pervasive hidden problem keeping poverty alive. Haugen reveals the...

What is this strange looking stuff? Is this branch just covered in fungus!? Well, it’s not fungus...but fungus DOES have something to do with it!

Some of the world's most baffling social problems, says Peter Eigen, can be traced to systematic, pervasive government corruption, hand-in-glove with global companies. In his talk, Eigen describes the thrilling counter-attack led by his...

You've felt cold before. Sometimes it's cold outside. But what if I told you that "cold" isn't real? There's no substance or quantity called "cold" in science. We can't measure the amount of "cold" in something. Instead it's about what's...

Wearing a mask is a cheap and easy way to help stop the spread of airborne infections like COVID-19. It’s also a sign that you want to help protect other people and have them protect you… that we’re all in this together. Here’s some...

Jessi and Squeaks are revisiting the fun times they had when they learned all about simple machines so they can solve all sorts of problems around the Fort!

Paruresis or “Shy Bladder Syndrome” is the inability to pee in public. If this sounds like you, have hope; it’s super treatable!