Some of us learn best in the classroom, and some of us ... well, we don't. But we still love to learn -- we just need to find the way that works for us. In this charming, personal talk, author John Green shares the community of learning that he found in online video....

Chernobyl was the site of the world's worst nuclear accident and, for the past 27 years, the area around the plant has been known as the Exclusion Zone. And yet, a community of about 200 people live there -- almost all of them elderly women. These proud grandmas...

Brewster Kahle is building a truly huge digital library -- every book ever published, every movie ever released, all the strata of web history ... It's all free to the public -- unless someone else gets to it first....

"There are facts, there are opinions, and there are lies," says historian Deborah Lipstadt, telling the remarkable story of her research into Holocaust deniers -- and their deliberate distortion of history. Lipstadt encourages us all to go on the offensive against...

Psychologist Elizabeth Loftus studies memories. More precisely, she studies false memories, when people either remember things that didn't happen or remember them differently from the way they really were. It's more common than you might think, and Loftus shares some...

Phil Plait was on a Hubble Space Telescope team of astronomers who thought they may have captured the first direct photo of an exoplanet ever taken. But did the evidence actually support that? Follow along as Plait shows how science progresses -- through a robust...

Do you ever order clothes online in different sizes and colors, just to try them on and then send back what doesn't work? Aparna Mehta used to do this all time, until she one day asked herself: Where do all these returned clothes go? In an eye-opening talk, she...

How do fast-paced video games affect the brain? Step into the lab with cognitive researcher Daphne Bavelier to hear surprising news about how video games, even action-packed shooter games, can help us learn, focus and, fascinatingly, multitask....

Fredrick Brennan was getting ready for church at his home in the Philippines when the news of a mass shooting in El Paso arrived. His response was immediate and instinctive. “Whenever I hear about a mass shooting, I say, ‘All right, we have to research if there’s an...

As human beings, we get used to "the way things are" really fast. But for designers, the way things are is an opportunity ... Could things be better? How? In this funny, breezy talk, the man behind the iPod and the Nest thermostat shares some of his tips for noticing...

Most people instinctively avoid conflict, but as Margaret Heffernan shows us, good disagreement is central to progress. She illustrates (sometimes counterintuitively) how the best partners aren’t echo chambers -- and how great research teams, relationships and...

From the Gulf crisis to the Khashoggi affair, Al Jazeera investigates how bots influence online conversations. In this series of articles, Al Jazeera examines how Twitter in the Middle East has changed since the Arab Spring. Government talking points are being...