Manwar Ali: Inside the mind of a former radical jihadist

TEDxExeter

Manwar Ali: Inside the mind of a former radical jihadist


"For a long time, I lived for death," says Manwar Ali, a former radical jihadist who participated in violent, armed campaigns in the Middle East and Asia in the 1980s. In this moving talk, he reflects on his experience with radicalization and makes a powerful, direct appeal to anyone drawn to Islamist groups that claim violence and brutality are noble and virtuous: let go of anger and hatred, he says, and instead cultivate your heart to see goodness, beauty and truth in others.

Zeynep Tufekci: We can't control what our intelligent machines are learning

TEDSummit

Zeynep Tufekci: We can't control what our intelligent machines are learning


Machine intelligence is here, and we're already using it to make subjective decisions. But the complex way AI grows and improves makes it hard to understand and even harder to control. In this cautionary talk, techno-sociologist Zeynep Tufekci explains how intelligent machines can fail in ways that don't fit human error patterns -- and in ways we won't expect or be prepared for. "We cannot outsource our responsibilities to machines," she says. "We must hold on ever tighter to human values and human ethics."

Todd Coleman: A temporary tattoo that brings hospital care to the home

TEDMED 2015

Todd Coleman: A temporary tattoo that brings hospital care to the home


What if doctors could monitor patients at home with the same degree of accuracy they'd get during a stay at the hospital? Bioelectronics innovator Todd Coleman shares his quest to develop wearable, flexible electronic health monitoring patches that promise to revolutionize healthcare and make medicine less invasive.

Rachel Botsman: We've stopped trusting institutions and started trusting strangers

TEDSummit

Rachel Botsman: We've stopped trusting institutions and started trusting strangers


Something profound is changing our concept of trust, says Rachel Botsman. While we used to place our trust in institutions like governments and banks, today we increasingly rely on others, often strangers, on platforms like Airbnb and Uber and through technologies like the blockchain. This new era of trust could bring with it a more transparent, inclusive and accountable society -- if we get it right. Who do you trust?

Melissa Walker: Art can heal PTSD's invisible wounds

TEDMED 2015

Melissa Walker: Art can heal PTSD's invisible wounds


Trauma silences its victims, says creative arts therapist Melissa Walker, but art can help those suffering from the psychological wounds of war begin to open up and heal. In this inspiring talk, Walker describes how mask-making, in particular, allows afflicted servicemen and women reveal what haunts them -- and, finally, start to let it go.

Trevor Copp and Jeff Fox: Ballroom dance that breaks gender roles

TEDxMontreal

Trevor Copp and Jeff Fox: Ballroom dance that breaks gender roles


Tango, waltz, foxtrot ... these classic ballroom dances quietly perpetuate an outdated idea: that the man always leads and the woman always follows. That's an idea worth changing, say Trevor Copp and Jeff Fox, as they demonstrate their "Liquid Lead" dance technique along with fellow dancer Alida Esmail. Watch as Copp and Fox captivate and command the stage while boldly deconstructing and transforming the art of ballroom dance.

Jim Hemerling: 5 ways to lead in an era of constant change

TED@BCG Paris

Jim Hemerling: 5 ways to lead in an era of constant change


Who says change needs to be hard? Organizational change expert Jim Hemerling thinks adapting your business in today's constantly-evolving world can be invigorating instead of exhausting. He outlines five imperatives, centered around putting people first, for turning company reorganization into an empowering, energizing task for all.

Adam de la Zerda: How we can start winning the war against cancer

TEDxStanford

Adam de la Zerda: How we can start winning the war against cancer


Learn about the latest advances in the war against cancer from Stanford researcher Adam de la Zerda, who's working on some cutting-edge techniques of his own. Using a remarkable imaging technology that illuminates cancer-seeking gold particles injected into the body, de la Zerda's lab hopes to light the way for surgeons to remove even the tiniest trace of deadly tumors.

Pico Iyer: The beauty of what we'll never know

TEDSummit

Pico Iyer: The beauty of what we'll never know


Almost 30 years ago, Pico Iyer took a trip to Japan, fell in love with the country and moved there. A keen observer of the human spirit, Iyer professes that he now feels he knows far less about Japan -- or, indeed, about anything -- than he thought he knew three decades ago. In this lyrical meditation on wisdom, Iyer expands on this curious insight about knowledge gained with age: that the more we know, the more we see how little we know.

Ione Wells: How we talk about sexual assault online

TEDSummit

Ione Wells: How we talk about sexual assault online


We need a more considered approach to using social media for social justice, says writer and activist Ione Wells. After she was the victim of an assault in London, Wells published a letter to her attacker in a student newspaper that went viral and sparked the #NotGuilty campaign against sexual violence and victim-blaming. In this moving talk, she describes how sharing her personal story gave hope to others and delivers a powerful message against the culture of online shaming.

Sayu Bhojwani: How immigrant voices make democracy stronger

TEDNYC

Sayu Bhojwani: How immigrant voices make democracy stronger


In politics, representation matters -- and that's why we should elect leaders who reflect their country's diversity and embrace its multicultural tapestry, says Sayu Bhojwani. Through her own story of becoming an American citizen, the immigration scholar reveals how her love and dedication to her country turned into a driving force for political change. "We have fought to be here," she says, calling immigrant voices to action. "It's our country, too."

John McWhorter: 4 reasons to learn a new language

TED2016

John McWhorter: 4 reasons to learn a new language


English is fast becoming the world's universal language, and instant translation technology is improving every year. So why bother learning a foreign language? Linguist and Columbia professor John McWhorter shares four alluring benefits of learning an unfamiliar tongue.

Isaac Lidsky: What reality are you creating for yourself?

TEDSummit

Isaac Lidsky: What reality are you creating for yourself?


Reality isn't something you perceive; it's something you create in your mind. Isaac Lidsky learned this profound lesson firsthand, when unexpected life circumstances yielded valuable insights. In this introspective, personal talk, he challenges us to let go of excuses, assumptions and fears, and accept the awesome responsibility of being the creators of our own reality.

Ellen Jorgensen: What you need to know about CRISPR

TEDSummit

Ellen Jorgensen: What you need to know about CRISPR


Should we bring back the wooly mammoth? Or edit a human embryo? Or wipe out an entire species that we consider harmful? The genome-editing technology CRISPR has made extraordinary questions like these legitimate -- but how does it work? Scientist and community lab advocate Ellen Jorgensen is on a mission to explain the myths and realities of CRISPR, hype-free, to the non-scientists among us.

Sam Harris: Can we build AI without losing control over it?

TEDSummit

Sam Harris: Can we build AI without losing control over it?


Scared of superintelligent AI? You should be, says neuroscientist and philosopher Sam Harris -- and not just in some theoretical, existential crisis kind of way. We're going to build superhuman machines, says Harris, but we haven't yet grappled with the problems associated with creating something that may treat us the way we treat ants.

Danny Dorling: Maps that show us who we are (not just where we are)

TEDxExeter

Danny Dorling: Maps that show us who we are (not just where we are)


What does the world look like when you map it using data? Social geographer Danny Dorling invites us to see the world anew, with his captivating and insightful maps that show Earth as it truly is -- a connected, ever-changing and fascinating place in which we all belong. You'll never look at a map the same way again.

Helen Fisher: Technology hasn't changed love. Here's why

TEDSummit

Helen Fisher: Technology hasn't changed love. Here's why


In our tech-driven, interconnected world, we've developed new ways and rules to court each other, but the fundamental principles of love have stayed the same, says anthropologist Helen Fisher. In this energetic tell-all from the front lines of love, learn how our faster connections are actually leading to slower, more intimate relationships. Watch to the end for a lively discussion with love expert Esther Perel.

Camille A. Brown: A visual history of social dance in 25 moves

TED Studio

Camille A. Brown: A visual history of social dance in 25 moves


Why do we dance? African-American social dances started as a way for enslaved Africans to keep cultural traditions alive and retain a sense of inner freedom. They remain an affirmation of identity and independence. In this electric demonstration, packed with live performances, choreographer, educator and TED Fellow Camille A. Brown explores what happens when communities let loose and express themselves by dancing together.

J.D. Vance: The struggles of America's forgotten working class

TEDNYC

J.D. Vance: The struggles of America's forgotten working class


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 violence. In a searching talk that will echo throughout the country's working-class towns, the author details what the loss of the American Dream feels like and raises an important question that everyone from community leaders to policy makers needs to ask: How can we help kids from America's forgotten places break free from hopelessness and live better lives?

Eric Liu: Let's make voting fun again

TEDNYC

Eric Liu: Let's make voting fun again


Many people like to talk about how important voting is, how it's your civic duty and responsibility as an adult. Eric Liu agrees with all that, but he also thinks it's time to bring joy back to the ballot box. The former political speechwriter details how he and his team are fostering the culture around voting in the 2016 US presidential election -- and closes with a powerful analysis of why anyone eligible should show up on Election Day.

Nadia Lopez: Why open a school? To close a prison

TED Talks Live

Nadia Lopez: Why open a school? To close a prison


Our kids are our future, and it's crucial they believe it themselves. That's why Nadia Lopez opened an academic oasis in Brownsville, Brooklyn, one of the most underserved and violent neighborhoods in New York -- because she believes in every child's brilliance and capabilities. In this short, energizing talk, the founding principal of Mott Hall Bridges Academy (and a star of Humans of New York) shares how she helps her scholars envision a brighter future for themselves and their families.

David Burkus: Why you should know how much your coworkers get paid

TEDxUniversityofNevada

David Burkus: Why you should know how much your coworkers get paid


How much do you get paid? How does it compare to the people you work with? You should know, and so should they, says management researcher David Burkus. In this talk, Burkus questions our cultural assumptions around keeping salaries secret and makes a compelling case for why sharing them could benefit employees, organizations and society.

Abigail Marsh: Why some people are more altruistic than others

TEDSummit

Abigail Marsh: Why some people are more altruistic than others


Why do some people do selfless things, helping other people even at risk to their own well-being? Psychology researcher Abigail Marsh studies the motivations of people who do extremely altruistic acts, like donating a kidney to a complete stranger. Are their brains just different?

Michael Shellenberger: How fear of nuclear power is hurting the environment

TEDSummit

Michael Shellenberger: How fear of nuclear power is hurting the environment


"We're not in a clean energy revolution; we're in a clean energy crisis," says climate policy expert Michael Shellenberger. His surprising solution: nuclear. In this passionate talk, he explains why it's time to overcome longstanding fears of the technology, and why he and other environmentalists believe it's past time to embrace nuclear as a viable and desirable source of clean power.

Julie Lythcott-Haims: How to raise successful kids -- without over-parenting

TED Talks Live

Julie Lythcott-Haims: How to raise successful kids -- without over-parenting


By loading kids with high expectations and micromanaging their lives at every turn, parents aren't actually helping. At least, that's how Julie Lythcott-Haims sees it. With passion and wry humor, the former Dean of Freshmen at Stanford makes the case for parents to stop defining their children's success via grades and test scores. Instead, she says, they should focus on providing the oldest idea of all: unconditional love.

David Camarillo: Why helmets don't prevent concussions -- and what might

TEDxStanford

David Camarillo: Why helmets don't prevent concussions -- and what might


What is a concussion? Probably not what you think it is. In this talk from the cutting edge of research, bioengineer (and former football player) David Camarillo shows what really happens during a concussion -- and why standard sports helmets don't prevent it. Here's what the future of concussion prevention looks like.

Courtney Martin: The new American Dream

TED2016

Courtney Martin: The new American Dream


For the first time in history, the majority of American parents don't think their kids will be better off than they were. This shouldn't be a cause for alarm, says journalist Courtney Martin. Rather, it's an opportunity to define a new approach to work and family that emphasizes community and creativity. "The biggest danger is not failing to achieve the American Dream," she says in a talk that will resonate far beyond the US. "The biggest danger is achieving a dream that you don't actually believe in."

Sal Khan: Let's teach for mastery -- not test scores

TED Talks Live

Sal Khan: Let's teach for mastery -- not test scores


Would you choose to build a house on top of an unfinished foundation? Of course not. Why, then, do we rush students through education when they haven't always grasped the basics? Yes, it's complicated, but educator Sal Khan shares his plan to turn struggling students into scholars by helping them master concepts at their own pace. (This talk comes from the PBS special "TED Talks: Education Revolution" which premieres Tuesday, September 13.)

Julia Bacha: How women wage conflict without violence

TEDSummit

Julia Bacha: How women wage conflict without violence


Are you setting out to change the world? Here's a stat you should know: nonviolent campaigns are 100 percent more likely to succeed than violent ones. So why don't more groups use nonviolence when faced with conflict? Filmmaker Julia Bacha shares stories of effective nonviolent resistance, including eye-opening research on the crucial leadership role that women play.