How can we begin to address the global, insidious problem of climate change — a problem that's too big for any one country to solve? Economist Nicholas Stern lays out a plan, presented to the UN's Climate Summit in 2014, showing how the...

MIT grad student Joy Buolamwini was working with facial analysis software when she noticed a problem: the software didn't detect her face -- because the people who coded the algorithm hadn't taught it to identify a broad range of skin...

Hank talks with MacArthur Fellow Dr. Rebecca Richards-Kortum of Rice University who co-founded Beyond Traditional Borders: An interdisciplinary undergrad curriculum focused on solutions to global health problems.

Landing will take place the night of August 5th, 1:30 AM eastern, 10:30 pm pacific, and 6:30 AM GMT (August 6th.)

The Mars Science Laboratory or Curiosity Rover is the largest payload ever delivered to the surface of a planet and...

The global dust storm on Mars is threatening the Opportunity rover and the wind on Venus might be changing the length of its days.

Let's take a moment to remember the selfless sacrifices made by some amazing robotic explorers.

In 2004, a nutrition company offered a life-changing opportunity to earn a full-time income for part-time work. There were only two steps to get started: purchase a $500 kit and recruit two more members. By 2013, the company was making...

We’ve sent thousands of things into space over the years! Many of them just orbit the Earth, and some are flying out past the edges of the Solar System. In this episode, we present our favorite currently active space probes!

At the online University of the People, anyone with a high school diploma can take classes toward a degree in business administration or computer science — without standard tuition fees (though exams cost money). Founder Shai Reshef...

Margaret Gould Stewart, YouTube's head of user experience, talks about how the ubiquitous video site works with copyright holders and creators to foster (at the best of times) a creative ecosystem where everybody wins.

A full third of the world's population -- 2.6 billion people -- play video games, plugging into massive networks of interaction that have opened up opportunities well beyond entertainment. In a talk about the future of the medium,...

The housing market can be vexing: while some neighborhoods get ridiculously expensive and price out longtime residents, others have historic homes sitting vacant without demand. Equitable housing developer and TED Fellow Bree Jones...

In this perspective-shifting talk, energy researcher Rose M. Mutiso makes the case for prioritizing Africa's needs with what's left of the world's carbon budget, to foster growth and equitably achieve a smaller global carbon footprint.

The barbershop can be a safe haven for black men, a place for honest conversation and trust -- and, as physician Joseph Ravenell suggests, a good place to bring up tough topics about health. He's turning the barbershop into a place to...

If you’re raised on dogma and hate, can you choose a different path? Zak Ebrahim was just seven years old when his father helped plan the 1993 World Trade Center bombing. His story is shocking, powerful and, ultimately, inspiring.

In which John Green teaches you about World War 2, as it was lived on the home front. You'll learn about how the war changed the country as a whole, and changed how Americans thought about their country. John talks about the government...

In this hilariously lively performance, actress Sarah Jones channels an opinionated elderly Jewish woman, a fast-talking Dominican college student and more, giving TED2009 just a sample of her spectacular character range.

Everyone has the right to a clean environment -- but major disparities exist when it comes to who faces the consequences of pollution. Environmental justice leader Peggy Shepard points to the disproportionate impact that hazardous...

The leader of Britain's Conservative Party says we're entering a new era -- where governments themselves have less power (and less money) and people empowered by technology have more. Tapping into new ideas on behavioral economics, he...

The one thing all humans have in common is that each of us wants to be happy, says Brother David Steindl-Rast, a monk and interfaith scholar. And happiness, he suggests, is born from gratitude. An inspiring lesson in slowing down,...

Chef Barton Seaver presents a modern dilemma: Seafood is one of our healthier protein options, but overfishing is desperately harming our oceans. He suggests a simple way to keep fish on the dinner table that includes every mom's...

Lisa Gansky, author of "The Mesh," talks about a future of business that's about sharing all kinds of stuff, either via smart and tech-enabled rental or, more boldly, peer-to-peer. Examples across industries -- from music to cars -- show...

Curiosity's 23-month-long mission is already approaching the 5-year-mark! How much longer can we hope it will last?

In which Hank celebrates the landing of the Mars Curiosity Rover which you know was pretty freaking cool. So here are the Top Five Coolest Things about the Mars Curiosity Rover!