In this quantum world, what does it mean to touch something? Do we really hover above the chairs we're sitting in?

It’s a cold morning in 15th century France and you’re off to the barber for a shave and haircut. You hear the familiar sound of singing inside and eye a bowl of blood in the window. You grab a cup of ale and examine the array of teeth...

Rep. Pramila Jayapal, a Democrat from Washington state, was elected to Congress in 2016. She is the co-chair of the Congressional Progressive Caucus and has become a leader in pushing the party on issues such as Medicare for All. Now...

Hexagons appear all over the natural world from honeycomb to bubbles, and they even appear in organic chemistry! In this episode of Crash Course Organic Chemistry, we're learning all about cyclohexanes, including how rings pucker to...

Designer Ross Lovegrove expounds his philosophy of "fat-free" design and offers insight into several of his extraordinary products, including the Ty Nant water bottle and the Go chair.

What does your chair say about what you value? Designer Sebastian Deterding shows how our visions of morality and "the good life" are reflected in the design of objects around us.

Daan Roosegaarde uses technology and creative thinking to produce imaginative, earth-friendly designs. He presents his latest projects -- from a bike path in eindhoven, where he reinterpreted "The Starry Night" to get people thinking...

I have cerebral palsy. I shake all the time, Maysoon Zayid announces at the beginning of this exhilarating, hilarious talk. (Really, it's hilarious.) "I'm like Shakira meets Muhammad Ali." With grace and wit, the Arab-American comedian...

What would a city designed for the blind be like? Chris Downey is an architect who went suddenly blind in 2008; he contrasts life in his beloved San Francisco before and after -- and shows how the thoughtful designs that enhance his life...

In this image-filled talk, Yann Arthus-Bertrand displays his three most recent projects on humanity and our habitat -- stunning aerial photographs in his series "The Earth From Above," personal interviews from around the globe featured...

The legendary design team Charles and Ray Eames made films, houses and classic midcentury modern furniture. Eames Demetrios, their grandson, shows rarely seen films and archival footage in a lively, loving tribute to their creative process.

Sculptor and engineer Arthur Ganson talks about his work -- kinetic art that explores deep philosophical ideas and is gee-whiz fun to look at.

X Prize founder Peter Diamandis talks about how he helped Stephen Hawking fulfill his dream of going to space -- by flying together into the upper atmosphere and experiencing weightlessness at zero g.

In this quantum world, what does it mean to touch something? Do we really hover above the chairs we're sitting in?

Design legend Niels Diffrient talks about his life in industrial design (and the reason he became a designer instead of a jet pilot). He details his quest to completely rethink the office chair starting from one fundamental data set: the...

This chair is my legs -- this chair is my life, says accessibility champion Jane Velkovski, who uses a wheelchair after being diagnosed with Spinal Muscular Atrophy (SMA). With clarity and poise, he shares how his first motorized...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Marina Abramovi's art pushes the boundary between audience and artist in pursuit of heightened consciousness and...

An epidemic of bad, inefficient, overcrowded meetings is plaguing the world’s businesses — and making workers miserable. David Grady has some ideas on how to stop it.

Squeaks and Mister Brown learn all about echolocation, and how animals use it to sense things! First Grade Next Generation Science Standards Crosscutting Concept: Structure and Function: The way an object is shaped or structured...

In this video Paul Andersen explains how thermal conductivity measures the ability of material to transfer heat from a hot to a cold object. The thermal conductivity of conductors is high because the heat travels through the delocalized...

One deck. Fifty-two cards. How many arrangements? Let's put it this way: Any time you pick up a well shuffled deck, you are almost certainly holding an arrangement of cards that has never before existed and might not exist again. Yannay...

Learn how to build a pillow fort with the help of the force called compression. Just save some room for us!

This week Craig Benzine clears up the role of committees in Congress. We’ll talk about standing committees, joint committees, conference committees, and caucuses (and not the candidate-choosing kinds) as well as the staff agencies that...

Uncle Gobb and the Plot Plot – Chapter 2