Introducing a new type of public space, custom-fit for communities in need of a shot of hope and wonder. Artist and TED Fellow Matthew Mazzotta takes us across the US, sharing delightful projects that refresh space and place, spark...

Crisis interventions often focus on a single aspect of a big, complicated problem, failing to address the broader social and economic context. Kwame Owusu-Kesse describes how the Harlem Children's Zone is taking a more holistic approach...

In this glimpse into our technological future, cryptographer Craig Costello discusses the world-altering potential of quantum computers, which could shatter the limits set by today's machines -- and give code breakers a master key to the...

Dan Bricklin changed the world forever when he codeveloped VisiCalc, the first electronic spreadsheet and grandfather of programs you probably use every day like Microsoft excel and Google Sheets. Join the software engineer and computing...

The Silent Era of Hollywood set a lot of things into motion in terms of how movies were made and sold. Big stars were one of the main ways studios tried to make their movies stand apart from one another and get the public to make choices...

Half of the world's poorest people have something in common: they're small farmers. In this eye-opening talk, activist Andrew Youn shows how his group, One Acre Fund, is helping these farmers lift themselves out of poverty by delivering...

Supply chain challenges are real, but they're not new, says global trade expert Dustin Burke. In the face of disruptions ranging from natural disasters to pandemics, how do we make sure supply chains can keep up? Burke offers a...

From Pokémon, to fMRI, to the relationship between masculine norms and mental health, 2016 left us with some interesting psych news to ponder.

Even though age can contribute to someone’s death, it almost definitely won’t be the direct cause.

Climate change is the epic challenge of our lives, and community leaders like Rahwa Ghirmatzion and Zelalem Adefris are already working on sustainable, resilient solutions. Through their organizations in Buffalo and Miami, they're...

Tim Brown says the design profession has a bigger role to play than just creating nifty, fashionable little objects. He calls for a shift to local, collaborative, participatory "design thinking" -- starting with the example of...

We need a global weather service for water, says entrepreneur and TED Fellow Sonaar Luthra. In a talk about environmental accountability, Luthra shows how we could forecast water shortages and risks with a global data collection effort...

We feel instinctively that societies with huge income gaps are somehow going wrong. Richard Wilkinson charts the hard data on economic inequality, and shows what gets worse when rich and poor are too far apart: real effects on health,...

Charles Darwin had a great mind, but a not-so great body. Scientists have spent years trying to uncover the mysteries of his poor health.

Problem 2 from the 2011 IMO

We used to think that the human brain was a lot like a computer; using logic to figure out complicated problems. It turns out, it's a lot more complex and, well, weird than that. In this episode of Crash Course Psychology, Hank...

An essential part of engineering is engineering design. Today we’ll see how design synthesis helps you put together the components of a process and decide what techniques are needed to solve your problem. We’ll explain the need test...

A simple Q&A

J.D. Vance grew up in a small, poor city in the Rust Belt of southern Ohio, where he had a front-row seat to many of the social ills plaguing America: a heroin epidemic, failing schools, families torn apart by divorce and sometimes...

Creative, sustainable solutions find their home in the thousands of informal neighborhoods across the world. Urban planner Jota Samper believes these often overlooked settlements (also known as slums) should be regarded as hubs of...

Could it be wrong to help children in need by starting an orphanage? In this eye-opening talk about the bad consequences of good intentions, Tara Winkler speaks out against the spread of orphanages in developing countries, caused in part...

If water just keeps getting recycled by a closed system on Earth, how did it get here in the first place? Where did the cycle begin?

The first week of school can be uncomfortable enough as you adjust to a new situation, but it was probably even worse back when schools made you strip down for a nude photo shoot,even if they thought they had a good reason for it.

Joe Lassiter is a deep thinker and straight talker focused on developing clean, secure and carbon-neutral supplies of reliable, low-cost energy. His analysis of the world's energy realities puts a powerful lens on the stubbornly touchy...