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• Would you live in a floating city in the sky? (with English subtitles) | Tomás Saraceno

  (Full English subtitles are available for this talk -- click the CC button in the bottom right of your screen to turn subtitles on.) In a mind-bending talk that blurs the line between science and art, Tomás Saraceno exhibits a series of air-inspired sculptures and installations designed to usher in a new era of sustainability, the "Aerocene." From giant, cloud-like playgrounds suspended 22 meters...

  

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• Hurricanes, monsoons and the human rights of climate change: TEDWomen chats with Mary Robinson

  Two years ago, former president of Ireland Mary Robinson graced the TEDWomen stage with a moving talk about why climate change is not only a threat to our environment, but also a threat to the human rights of many poor and marginalized people around the world. Mary is an incredible person who inspires me greatly. […]

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• A smog vacuum cleaner and other magical city designs | Daan Roosegaarde

  Daan Roosegaarde uses technology and creative thinking to produce imaginative, earth-friendly designs. He presents his latest projects -- from the sidewalks of Amsterdam, where he reinterpreted "The Starry Night" to get people thinking about green energy, to Beijing, where he developed a smog vacuum cleaner to purify the air in local parks, to a dance floor that generates electricity to power a DJ...

  

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• How young people join violent extremist groups -- and how to stop them | Erin Marie Saltman

  Terrorists and extremists aren't all naturally violent sociopaths -- they're deliberately recruited and radicalized in a process that doesn't fit into a neat pattern. Erin Marie Saltman discusses the push and pull factors that cause people to join extremist groups and explains innovative ways of preventing and countering radicalization. Check out more TED Talks: http://www.ted.com The TED Talks ...

  

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• Standing for art and truth: A chat with Sethembile Msezane

  Sethembile Msezane’s sculptures are not made of clay, granite or marble. She is the sculpture, as you will see in her talk — which you can watch right now before you read this Q&A. We’ll wait. The fragility of the medium combined with the power of her messages make for performances that literally stop people […]

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• Dare to refuse the origin myths that claim who you are | Chetan Bhatt

  We all have origin stories and identity myths, our tribal narratives that give us a sense of security and belonging. But sometimes our small-group identities can keep us from connecting with humanity as a whole -- and even keep us even from seeing others as human. In a powerful talk about how we understand who we are, Chetan Bhatt challenges us to think creatively about each other and our future. ...

  

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• How your pictures can help reclaim lost history | Chance Coughenour

  Digital archaeologist Chance Coughenour is using pictures -- your pictures -- to reclaim antiquities that have been lost to conflict and disaster. After crowdsourcing photographs of destroyed monuments, museums and artifacts, Coughenour uses advanced technology called photogrammetry to create 3D reconstructions, preserving the memory of our global, shared, human heritage. Find out more about how y...

  

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• 5 reasons to convince your boss to send you to TEDWomen this year

  Every year at TEDWomen, we gather to talk about issues that matter, to learn and bond and get energized. This year, we will be reconvening on November 1–3 in New Orleans — and we would love for you, and your amazing perspective and ideas, to join us and become part of this diverse, welcoming group that’s growing […]

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• How the US government spies on people who protest -- including you | Jennifer Granick

  What's stopping the American government from recording your phone calls, reading your emails and monitoring your location? Very little, says surveillance and cybersecurity counsel Jennifer Granick. The government collects all kinds of information about you easily, cheaply and without a warrant -- and if you've ever participated in a protest or attended a gun show, you're likely a person of interes...

  

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• “World peace will come from sitting around the table”: Chef Pierre Thiam chats with food blogger Ozoz Sokoh

  Two African cooks walk into a bar; 30 seconds later they are arguing over whose country’s jollof rice is better. Or so the corny joke would go. The truth is, I really had no idea what would happen if we got Senegal-born chef Pierre Thiam (TED Talk: A Forgotten Ancient Grain That Could Help Africa […]

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• This is how to make Pierre Thiam’s fonio sushi

  If you’ve seen Pierre Thiam’s TED Talk about fonio, then you saw that part when he actually handed food out to the audience, yes? For those who didn’t know to sit in the front rows to receive that blessing (or couldn’t be there in the first place), and don’t mind rolling up their sleeves in […]

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• Can a robot pass a university entrance exam? | Noriko Arai

  Meet Todai Robot, an AI project that performed in the top 20 percent of students on the entrance exam for the University of Tokyo -- without actually understanding a thing. While it's not matriculating anytime soon, Todai Robot's success raises alarming questions for the future of human education. How can we help kids learn the things that humans can do better than AI? The TED Talks channel featur...

  

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• Why we need to end the era of orphanages | Tara Winkler

  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 by foreign donors, and details the harm done to children when they are separated from their families and left to grow up in institutions. The TED Talks channel f...

  

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• The big idea: 3 reasons to be kind to educators

  Any dedicated educator can tell you: A teaching job extends far beyond the hours of the school day. Molding the minds of future leaders while simultaneously ferrying them across the rapids of childhood and adolescence — and dealing with the economics of the job — is a calling not for the faint of heart. Here […]

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• Fun, fierce and fantastical African art | Wanuri Kahiu

  We're so used to narratives out of Africa being about war, poverty and devastation, says TED Fellow Wanuri Kahiu. Where's the fun? Introducing "AfroBubbleGum" -- African art that's vibrant, lighthearted and without a political agenda. Rethink the value of all that is unserious as Kahiu explains why we need art that captures the full range of human experiences to tell the stories of Africa. The TE...

  

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• When workers own companies, the economy is more resilient | Niki Okuk

  Another economic reality is possible -- one that values community, sustainability and resiliency instead of profit by any means necessary. Niki Okuk shares her case for cooperative economics and a vision for how working-class people can organize and own the businesses they work for, making decisions for themselves and enjoying the fruits of their labor. The TED Talks channel features the best tal...

  

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• "The Sacred Art of the Ori" | Laolu Senbanjo

  The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and more. Follow TED on Twitter: http://www.twitter.com/TEDTalks Like TED on Facebook: https://www.faceboo...

  

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• What the sugar coating on your cells is trying to tell you | Carolyn Bertozzi

  Your cells are coated with sugars that store information and speak a secret language. What are they trying to tell us? Your blood type, for one -- and, potentially, that you have cancer. Chemical biologist Carolyn Bertozzi researches how sugars on cancerous cells interact with (and sometimes trick) your immune system. Learn more about how your body detects cancer and how the latest cancer-fighting...

  

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• What would happen if we upload our brains to computers? | Robin Hanson

  Meet the "ems" -- machines that emulate human brains and can think, feel and work just like the brains they're copied from. Economist and social scientist Robin Hanson describes a possible future when ems take over the global economy, running on superfast computers and copying themselves to multitask, leaving humans with only one choice: to retire, forever. Glimpse a strange future as Hanson descr...

  

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• A lyrical bridge between past, present and future | David Whyte

  With his signature charm and searching insight, David Whyte meditates on the frontiers of the past, present and future, sharing two poems inspired by his niece's hike along El Camino de Santiago de Compostela in Spain. The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or ...

  

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• What moral decisions should driverless cars make? | Iyad Rahwan

  Should a driverless car kill you if it means saving five pedestrians? In this primer on the social dilemmas of driverless cars, Iyad Rahwan explores how the technology will challenge our morality and explains his work collecting data from real people on the ethical trade-offs we're willing (and not willing) to make. The TED Talks channel features the best talks and performances from the TED Confe...

  

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• Can cities have compassion? A Q&A with OluTimehin Adegbeye following her blockbuster TED Talk

  Urban gentrification in Lagos is displacing hundreds of thousands of people who do not fit into the administration’s resplendent vision for the future. Their crime? Poverty. In what was one of the most moving talks of TEDGlobal 2017, OluTimehin Adegbeye calls us to consider the human cost of progress, specifically for the former inhabitants of […]

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• The era of blind faith in big data must end | Cathy O'Neil

  Algorithms decide who gets a loan, who gets a job interview, who gets insurance and much more -- but they don't automatically make things fair. Mathematician and data scientist Cathy O'Neil coined a term for algorithms that are secret, important and harmful: "weapons of math destruction." Learn more about the hidden agendas behind the formulas. The TED Talks channel features the best talks and pe...

  

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• TEDWomen update: One year on, an extraordinary story of understanding and forgiveness

  When we started TEDWomen in 2010, we felt strongly that we wanted to include a series of talks we called “Duets” in which we would forego the traditional TED Talk model and present pairs of speakers instead of solo ones. There is no question that the Duets sessions are often among the most popular and […]

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• How to build a company where the best ideas win | Ray Dalio

  What if you knew what your coworkers really thought about you and what they were really like? Ray Dalio makes the business case for using radical transparency and algorithmic decision-making to create an idea meritocracy where people can speak up and say what they really think -- even calling out the boss is fair game. Learn more about how these strategies helped Dalio create one of the world's mo...

  

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• How I found myself through music | Anika Paulson

  "Music is everywhere, and it is in everything," says musician, student and TED-Ed Clubs star Anika Paulson. Guitar in hand, she plays through the beats of her life in an exploration of how music connects us and makes us what we are. Check out more TED Talks: http://www.ted.com The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinke...

  

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• The secret to living longer may be your social life | Susan Pinker

  The Italian island of Sardinia has more than six times as many centenarians as the mainland and ten times as many as North America. Why? According to longevity researcher Susan Pinker, it's not a sunny disposition or a low-fat, gluten-free diet that keeps the islanders alive so long -- it's their emphasis on close personal relationships and face-to-face interactions. Learn more about super longevi...

  

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• A practical way to help the homeless find work and safety | Richard J. Berry

  When Richard J. Berry, the mayor of Albuquerque, saw a man on a street corner holding a cardboard sign that read "Want a job," he decided to take him (and others in his situation) up on it. He and his staff started a citywide initiative to help the homeless by giving them day jobs and a place to sleep -- and the results were incredible. Find out how your city can replicate Albuquerque's model with...