One billion people worldwide are living with a disability, and too many of them are left unemployed or feeling like they need to hide their conditions due to discriminatory hiring practices, says social innovator and TED Fellow Ryan...

Space missions are difficult. Reid describes three epic space mission fails!

Lucas Joppa, Microsoft's first chief environmental officer, thinks about climate change through the lens of coding, and he says the world's current net-zero approach simply won't compute. So how do we create a system that actually...

Early education is critical to children's success -- but millions of kids in the United States still don't have access to programs that prepare them to thrive in kindergarten and beyond. Enter the UPSTART Project, a plan to bring early...

In 2011, eye surgeon and TED Fellow Andrew Bastawrous developed a smartphone app that brings quality eye care to remote communities, helping people avoid losing their sight to curable or preventable conditions. Along the way, he noticed...

Alberto Cairo's clinics in Afghanistan used to close down during active fighting. Now, they stay open. In this powerful talk, Cairo tells the moving story of why -- and how he found humanity and dignity in the midst of war.

Randomness is important for all kinds of things, from science to security, but to generate true randomness, engineers have turned to some pretty odd tricks!

For the past few years, airports have been working with game theorists to step up their security game.

The disastrous earthquake in Haiti taught humanitarian groups an unexpected lesson: the power of mobile devices to coordinate, inform and guide relief efforts. At TEDxRC2, Paul Conneally shows extraordinary examples of social media and...

Here's a shocking statistic: 50 to 80 percent of people in the criminal justice system in the US have had a traumatic brain injury. In the general public, that number is less than five percent. Neuropsychologist Kim Gorgens shares her...

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...

What if you could know exactly how food or medication would impact your health -- before you put it in your body? Genomics researcher Jun Wang is working to develop digital doppelgangers for real people; they start with genetic code, but...

Uploading your mind to a computer might one day let humans cheat death. The technology’s a long way off, but researchers are working on closing that gap. This episode was brought to you and inspired by the movie Self/less.

The software running Apollo's guidance computers was literally woven by hand by "little old ladies."

Hank takes you to the next frontier of innovation: the XPrize for Artificial Intelligence, talking about how true AI can be measured, and what the future might look like.

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Moshe Szyf is a pioneer in the field of epigenetics, the study of how living things reprogram their genome in...

DNA isn't the only builder in the biological world -- there's also a mysterious bioelectric layer directing cells to work together to grow organs, systems and bodies, says biologist Michael Levin. Sharing unforgettable and...

Today, artificial intelligence helps doctors diagnose patients, pilots fly commercial aircraft, and city planners predict traffic. These AIs are often self-taught, working off a simple set of instructions to create a unique array of...

The only way we're going to make substantial progress on the challenging problems of our time is for business to drive the solutions, says social impact strategist Wendy Woods. In a data-packed talk, Woods shares a fresh way to assess...

Can we solve the problem of ocean plastic pollution and end extreme poverty at the same time? That's the ambitious goal of The Plastic Bank: a worldwide chain of stores where everything from school tuition to cooking fuel and more is...

Today, we’re going to talk about how HUGE programs with millions of lines of code like Microsoft Office are built. Programs like these are way too complicated for a single person, but instead require teams of programmers using the tools...

Today, Carrie Anne is going to start our overview of the fundamental building blocks of programming languages. We’ll start by creating small programs for our very own video game to show how statements and functions work. We aren’t going...

New technology has revolutionized how we study wild animals, but it has also bogged down scientists with data...luckily, there's an *intelligent* solution.

Childcare needs a transformation -- but rather than investing billions in new buildings and schools, what if we could unlock the potential of people already nearby? Entrepreneur Chris Bennett offers an innovative way to tackle the...