Alisa Miller, head of Public Radio International, talks about why -- though we want to know more about the world than ever -- the media is actually showing us less. Eye-opening stats and graphs.

Stacey Baker has always been obsessed with how couples meet. When she asked photographer Alec Soth to help her explore this topic, they found themselves at the world's largest speed-dating event, held in Las Vegas on Valentine's Day, and...

If walls could talk, Turkey's Hagia Sophia would have an abundance of stories to tell. Once a church, then a mosque, and now a museum, this world marvel has stood the test of time and war, surviving centuries of conquest by some of...

Necessity is the mother of invention, right? Well, not always. Steven Johnson shows us how some of the most transformative ideas and technologies, like the computer, didn't emerge out of necessity at all but instead from the strange...

With scissors and paper, artist Béatrice Coron creates intricate worlds, cities and countries, heavens and hells. Striding onstage in a glorious cape cut from Tyvek, she describes her creative process and the way her stories develop from...

Artificial intelligence is all around us ... and the future will only bring more of it. How can we ensure the AI systems we build are responsible, safe and sustainable? Ethical AI expert Genevieve Bell shares six framing questions to...

This video is about how Russian physicist Aleksandr Fridman corrected Albert Einstein about the expansion of the universe. Einstein thought that general relativity implied that space had to be static and...

In an invitation to slow down and look at the world around you, graphic journalist Wendy MacNaughton illustrates how drawing can spark deeply human, authentic connections. Ready to try? Grab a pencil and join MacNaughton for this...

Wheezy Waiter announces the SciShow nominees for "Worst Science in a Film," & Hank talks about the bird flu and shares two sounds that had never been heard by human ears until very recently.

What drives someone to kill in cold blood? What goes through the murderer's mind? And what kind of a society breeds such people? Over 150 years ago Fyodor Mikhailovich Dostoyevsky took these questions up in what would become one of the...

Can the interests of an individual nation be reconciled with humanity's greater good? Can a patriotic, nationally elected politician really give people in other countries equal consideration? Following his TEDTalk calling for a global...

The Harlem Renaissance produced many remarkable artists, writers, and thinkers. Today we'll talk about one of the most interesting minds of the time, Zora Neale Hurston. Hurston was an anthropologist by training, and spent much of her...

In this live drawing performance and poignant autobiographical journey, author and illustrator Jarrett J. Krosoczka sketches some life-shaping moments, showing us how drawing and storytelling can help us honor and remain close to those...

Welcome to Crash Course World Mythology, our latest adventure (and this series may be literally adventurous) in education. Over the next 40 episodes or so, we and Mike Rugnetta are going to learn about the world by looking at the...

How many species are there on Earth? In biology, this is one of a fundamental question that we still don't have a very good answer for. Imagine if chemists didn't know all the elements of the periodic table, or if physicists didn't know...

Looking at a map, you would never know that North America once almost ripped itself in half. But 1.1 billion years ago, it tried to - and had it succeeded, there would now be an ocean where Lake Superior is!

Mounting his skinny steed, Don Quixote charges an army of giants. It is his duty to vanquish these behemoths in the name of his beloved lady, Dulcinea. There's only one problem: the giants are merely windmills. What is it about this tale...

This week, we're on to reading Ralph Ellison's great novel about the black experience in America after World War II, Invisible Man. John will teach you about Ellison's nameless narrator, and his attempts to find his way in a social order...

Clinical psychologist Meg Jay has a bold message for twentysomethings: Contrary to popular belief, your 20s are not a throwaway decade. In this provocative talk, Jay says that just because marriage, work and kids are happening later in...

If I should have a daughter, instead of Mom, she's gonna call me Point B ... began spoken word poet Sarah Kay, in a talk that inspired two standing ovations at TED2011. She tells the story of her metamorphosis -- from a wide-eyed...

Two tiny handprints stamped into a cake. A mirror that shatters without warning. A trail of cracker crumbs strewn along the floor. Everyone at 124 Bluestone Road knows their home is haunted— but there's no mystery about the spirit...

Peter van Uhm is the Netherlands' chief of defense, but that does not mean he is pro-war. In this talk, he explains how his career is one shaped by a love of peace, not a desire for bloodshed -- and why we need armies if we want peace.

Master storyteller Malcolm Gladwell tells the tale of the Norden bombsight, a groundbreaking piece of World War II technology with a deeply unexpected result.

In this short, provocative talk, architect Alison Killing looks at buildings where death and dying happen -- cemeteries, hospitals, homes. The way we die is changing, and the way we build for dying ... well, maybe that should too. It's a...