Join John Hardy on a tour of the Green School, his off-the-grid school in Bali that teaches kids how to build, garden, create (and get into college). The centerpiece of campus is the spiraling Heart of School, perhaps the world's largest...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.

This talk begins with a personal story of sexual violence that may be difficult to listen to. But that's the...

Chris Milk uses innovative technologies to make personal, interactive, human stories. Accompanied by Joshua Roman on cello and McKenzie Stubbert on piano, Milk traces his relationship to music and art -- from the first moment he...

Have you heard of Alexander von Humboldt? Not likely. The geologist turned South American explorer was a bit of an 18th century super scientist, traveling over 24,000 miles to understand the relationship between nature and habitat....

On first glance, the painting Las Meninasc (The Maids of Honorc) might not seem terribly special, but it's actually one of the most analyzed pieces in the history of art. Why is this painting by Diego Velazquez so captivating? James...

How can we harness the power of superintelligent AI while also preventing the catastrophe of robotic takeover? As we move closer toward creating all-knowing machines, AI pioneer Stuart Russell is working on something a bit different:...

In this edition of Weird Places, we visit Australia's Lake Hillier, which is a shockingly flamboyant shade of pink. Hank's here to tell you science's best guess as to why.

We welcomed new science and discoveries in 2018, but unfortunately, we also had to say goodbye to some important figures in the scientific community.

Our culture is obsessed with happiness, but what if there's a more fulfilling path? Happiness comes and goes, says writer Emily Esfahani Smith, but having meaning in life -- serving something beyond yourself and developing the best...

A refugee now living in the US, Joseph Kim tells the story of his life in North Korea during the famine years. He's begun to create a new life -- but he still searches for the family he lost.

This is episode 8 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...

In 1775, General George Washington received a poem from one of colonial America's most famous writers. Its verses praised the burgeoning revolution, invoking the goddess of their new nation to aid the general's cause. But this ode to...

Around 1917, an unknown illness dubbed "sleeping sickness" caused people to suffer severe sleepiness and delirium. Some even became paralyzed for decades until a temporary cure was discovered in the 1960s. The story of this illness is...

We have personal computing -- why not personal biotech? That's the question biologist Ellen Jorgensen and her colleagues asked themselves before opening Genspace, a nonprofit DIY bio lab in Brooklyn devoted to citizen science, where...

Born in 1731 to freed slaves on a farm in Baltimore, Benjamin Banneker was obsessed with math and science. And his appetite for knowledge only grew as he taught himself astronomy, mathematics, engineering, and the study of the natural...

Within each of us are two selves, suggests David Brooks in this meditative short talk: the self who craves success, who builds a r_sum_, and the self who seeks connection, community, love -- the values that make for a great eulogy....

Herein we explain how pets can help your immune system, beginning when you're in utero!

Dickinsonia might be the oldest known member of the animal kingdom, and the origin of birdsongs from the syrinx might be a little less mysterious.

There are a whole lot of people out there who have bought into the notion that, in order to be physically fit, you should aim for taking 10,000 steps a day. But where did this idea come from, and how did we all agree on this magical,...

What if we told you that there was a time when oxygen almost wiped out all life on Earth? 3 billion years ago, when the world was a place you'd never recognize, too much of a good thing almost ruined everything for everybody.

So we know what life needs here to work, and we've talked a little about what life COULD look like on other planets. But what about plant life? What could plant life look like on other planets? In this episode of Crash Course Kids,...

NIAC has awarded their first two grant winners for phase III: optical mining and 3D modeling craters, and researchers are further honing in on how to identify faraway habitable planets.

The sun is obviously a big factor in the earth's weather, but changes in the solar cycle don't always affect our climate in straightforward ways.

Batch to batch, crust to crust ... In tribute to the beloved staple food, baking master Peter Reinhart reflects on the cordial couplings (wheat and yeast, starch and heat) that give us our daily bread. Try not to eat a slice.