Jeff Smith spent a year in prison. But what he discovered inside wasn't what he expected -- he saw in his fellow inmates boundless ingenuity and business savvy. He asks: Why don't we tap this entrepreneurial potential to help ex-prisoners contribute to society once they're back outside? (From the TED Talent Search event TED@NewYork.)

Many companies have made strides when it comes to prioritizing diversity, equity, and inclusion (DEI), but one group remains largely left out: people who have been involved in the criminal justice system. Social impact investor Nyra Jordan introduces us to "fair chance hiring" -- the practice of hiring people with criminal justice records -- and...

In the United States, the agencies that govern prisons are often called 'Department of Corrections.' And yet, their focus is on containing and controlling inmates. Dan Pacholke, Deputy Secretary for the Washington State Department of Corrections, shares a different vision: of prisons that provide humane living conditions as well as opportunities...

Google's "Jolly Good Fellow," Chade-Meng Tan, talks about how the company practices compassion in its everyday business -- and its bold side projects.

How do you deal with a bully without becoming a thug? In this wise and soulful talk, peace activist Scilla Elworthy maps out the skills we need -- as nations and individuals -- to fight extreme force without using force in return. To answer the question of why and how nonviolence works, she evokes historical heroes -- Aung San Suu Kyi, Mahatma G...

Our poop and pee have superpowers, but for the most part we don't harness them. Molly Winter faces down our squeamishness and asks us to see what goes down the toilet as a resource, one that can help fight climate change, spur innovation and even save us money.

Laparoscopic surgery uses minimally invasive incisions -- which means less pain and shorter recovery times for patients. But Steven Schwaitzberg has run into two problems teaching these techniques to surgeons around the world: language and distance. He shares how a new technology, which combines videoconferencing and a real-time universal transl...

During the hot summer months, watching an outdoor sports match or concert can be tantamount to baking uncomfortably in the sun -- but it doesn't have to be. At the TEDxSummit in Doha, physicist Wolfgang Kessling reveals sustainable design innovations that cool us from above and below, and even collects solar energy for later use.

What if you could repay loans through volunteering and mentorship instead of money? Activist Angie Murimirwa shares how a game-changing economic tool known as "social interest" is reinvigorating sub-Saharan communities once trapped in cycles of poverty. Join her as she explains how this approach to lending is creating opportunities for thousands...

The path to skill around the globe has been the same for thousands of years: train under an expert and take on small, easy tasks before progressing to riskier, harder ones. But right now, we're handling AI in a way that blocks that path -- and sacrificing learning in our quest for productivity, says organizational ethnographer Matt Beane. What c...

As we move through the world, we have an innate sense of how things feel -- the sensations they produce on our skin and how our bodies orient to them. Can technology leverage this? In this fun, fascinating TED-Ed lesson, learn about the field of haptics, and how it could change everything from the way we shop online to how dentists learn the tel...

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.

It's another sweltering morning in Memphis, Egypt. As the sunlight brightens the Nile, Peseshet checks her supplies. Honey, garlic, cumin, acacia leaves, cedar oil -- she's well stocked with the essentials she needs to treat her patients. Elizabeth Cox outlines a day in the life of an ancient Egyptian doctor. [TED-Ed Animation by Echo Bridge]

In 1905, psychologists Alfred Binet and Théodore Simon designed a test for children who were struggling in school in France. Designed to determine which children required individualized attention, their method formed the basis of the modern IQ test. So how do IQ tests work, and are they a true reflection of intelligence? Stefan C. Dombrowski exp...

Domestic violence and sexual abuse are often called "women's issues." But in this bold, blunt talk, Jackson Katz points out that these are intrinsically men's issues -- and shows how these violent behaviors are tied to definitions of manhood. A clarion call for us all -- women and men -- to call out unacceptable behavior and be leaders of change.

In the pitch-black night, stung by jellyfish, choking on salt water, singing to herself, hallucinating … Diana Nyad just kept on swimming. And that's how she finally achieved her lifetime goal as an athlete: an extreme 100-mile swim from Cuba to Florida -- at age 64. Hear her story.

José Antonio Abreu is the charismatic founder of a youth orchestra system that has transformed thousands of kids' lives in Venezuela. He shares his amazing story and unveils a TED Prize wish that could have a big impact in the US and beyond.

A spinal cord injury can sever the communication between your brain and your body, leading to paralysis. Fresh from his lab, Grégoire Courtine shows a new method -- combining drugs, electrical stimulation and a robot -- that could re-awaken the neural pathways and help the body learn again to move on its own. See how it works, as a paralyzed rat...

Overcrowded clinics, extensive wait times and overworked doctors are taking a devastating toll on mothers and children in India. In this eye-opening talk, urogynecologist and TED Fellow Aparna Hegde exposes the systemic gaps that lead to preventable deaths every minute -- and introduces scalable, affordable and empowering tech solutions that imp...

Less than 13 percent of police officers in the United States are women -- despite their proven effectiveness in diffusing violent situations and reducing the use of force. Drawing on more than two decades of experience as a police officer and chief, TED Fellow Ivonne Roman shares how a simple change to police academy physical fitness tests could...

Today's AI algorithms require tens of thousands of expensive medical images to detect a patient's disease. What if we could drastically reduce the amount of data needed to train an AI, making diagnoses low-cost and more effective? TED Fellow Pratik Shah is working on a clever system to do just that. Using an unorthodox AI approach, Shah has deve...

Equity expert Sara Sanford offers a certified playbook that helps companies go beyond good intentions, using a data-driven standard to actively counter unconscious bias and foster gender equity -- by changing how workplaces operate, not just how people think.

Health care workers are under more stress than ever before. How can they protect their mental health while handling new and complex pressures? TED Fellow Laurel Braitman shows how writing and sharing personal stories helps physicians, nurses, medical students and other health professionals connect more meaningfully with themselves and others -- ...

You know how resolutions often go: you set a goal and start strong ... then the motivation runs out and feelings of frustration and shame creep in. The struggle is real -- but what if it doesn't have to be? Sociologist Christine Carter shares a simple step to shift your mindset and keep you on track to achieving your grandest ambitions.

In ancient Rome, Vestal Virgins were tasked with keeping vigil over the flame of Vesta, the virgin goddess of the hearth. The flame represented two things: the continuation of Rome as a power in the world and the continuing virginity of Vesta's priestesses. But what was life really like for these Vestal Virgins? Peta Greenfield goes back in time...

Computers can beat us in board games, transcribe speech, and instantly identify almost any object. But will future robots go further by learning to figure out what we're feeling? Kostas Karpouzis imagines a future where machines and the people who run them can accurately read our emotional states — and explains how that could allow them to assis...

Big problems need big solutions, sparked by big ideas, imagination and audacity. In this talk, journalist Gail Reed profiles one big solution worth noting: Havana’s Latin American Medical School, which trains global physicians to serve the local communities that need them most.

Research shows that helping others makes us happier. But in her groundbreaking work on generosity and joy, social psychologist Elizabeth Dunn found that there's a catch: it matters how we help. Learn how we can make a greater impact -- and boost our own happiness along the way -- if we make one key shift in how we help others. "Let's stop thinki...

What is happiness, and how can we all get some? Biochemist turned Buddhist monk Matthieu Ricard says we can train our minds in habits of well-being, to generate a true sense of serenity and fulfillment.

Five billion people can't use the internet. Aleph Molinari empowers digitally excluded people, by giving them access to computers and sharing the know-how to use them.