What will the world look like when we move beyond the keyboard and mouse? Interaction designer Sean Follmer is building a future with machines that bring information to life under your fingers as you work with it. In this talk, check out...

How do we explain the unexplainable? This question has inspired numerous myths, religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a different question - why do...

Matt Mills and Tamara Roukaerts demonstrate Aurasma, a new augmented reality tool that can seamlessly animate the world as seen through a smartphone. Going beyond previous augmented reality, their "auras" can do everything from making a...

Designer Tea uglow is creating a future in which humanity's love for natural solutions and simple tools can coexist with our need for information and the devices that provide us with it. "Reality is richer than screens," she says. "We...

It’s not like anyone thought head injuries were good for people, but the long term effects of concussions has researchers, coaches, and doctors concerned about the extra risks of some popular sports.

We've been sending people to space since the '60s, and we're just now starting to learn what that does to their brains.

With his team at SENSEable City Lab, MIT's Carlo Ratti makes cool things by sensing the data we create. He pulls from passive data sets -- like the calls we make, the garbage we throw away -- to create surprising visualizations of city...

Modern medicine is in danger of losing a powerful, old-fashioned tool: human touch. Physician and writer Abraham Verghese describes our strange new world where patients are merely data points, and calls for a return to the traditional...

We all use our body on a daily basis, and yet few of us think about our physicality the way Wayne McGregor does. He demonstrates how a choreographer communicates ideas to an audience, working with two dancers to build phrases of dance,...

Today we're going to take a look at mineral extraction -- or the removal of rocks and minerals from the Earths' crust -- and examine how this human activity impacts all aspects of Geography. We'll focus on the Democratic Republic of the...

Today we continue our unit on identity by asking where the mind resides. Hank explains the mind body problem and several approaches to the question of where our minds reside, including reductive physicalism, substance dualism, and...

Sleep is a crucial activity for our brains to function properly. But when you’re on the ISS, you face a myriad of distractions and obligations that make it difficult to get good shuteye. So how do these astronauts ever get restful sleep?

Playing with LEGOS is fun. But, they can also teach us something about matter. In this episode of Crash Course Kids, Sabrina chats about chemical reactions and the Conservation of Matter.

There are some pretty out-there explanations for the processes at work behind the incredibly successful mathematics of quantum mechanics - things are both waves and particles at the same time, the act of observation defines reality, cats...

Watching a kitten fumbling around, it might feel as if you've never encountered anything so devastatingly adorable in your mortal life. You may want to pet its soft fur and kiss its tiny head. But you may also feel the conflicting...

In this short, amazing demo, Fabian Hemmert imagines one future of the mobile phone -- a shape-shifting and weight-shifting handset that "displays" information nonvisually. It's a delightfully intuitive way to communicate.

So when water evaporates, what happens? Where does that water go? Does just vanish? Is it no more? Can matter every just go away? Well, the answer is no, it can't. But it can LOOK like it does. In this episode of Crash Course Kids,...

You can break the speed of light in your back yard! (but don't worry, Einstein is still right)

Many of us will experience some kind of trauma during our lifetime. Sometimes, we escape with no long-term effects. But for millions of people, those experiences linger, causing symptoms like flashbacks, nightmares, and negative thoughts...

In this video Paul Andersen describes how reversible reactions achieve equilibrium as reactants are converted to products and products are converted to reactants. A model shows how forward reaction rates and reverse reactions rates...

Today Hank is building on last week’s exploration of identity to focus on personal identity. Does it in reside in your body? Is it in the collective memories of your consciousness? There are, of course, strengths and weaknesses to both...

There are lots of good reasons to exercise, but it can also make you feel happier.

In this video Paul Andersen explains how chemical differs from physical change. In the laboratory macroscopic observations are used to infer changes at the particulate level. Evidence for chemical change include gas production, change...

Why is J.R.R. Tolkien's Lord of the Rings trilogy so compelling? How about The Matrix or Harry Potter? What makes these disparate worlds come alive are clear, consistent rules for how people, societies -- and even the laws of physics --...