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TED - Ideas worth spreading 

Where joy hides and how to find it | Ingrid Fetell Lee

Cherry blossoms and rainbows, bubbles and googly eyes: Why do some things seem to create such universal joy? In this captivating talk, Ingrid Fetell Lee reveals the surprisingly tangible roots of joy and shows how we all can find -- and create -- more of it in the world around us.... läs mer »

Why fascism is so tempting -- and how your data could power it | Yuval Noah Harari

In a profound talk about technology and power, author and historian Yuval Noah Harari explains the important difference between fascism and nationalism -- and what the consolidation of our data means for the future of democracy. Appearing as a hologram live from Tel Aviv, Harari warns that the greatest danger that now faces liberal democracy is that the revolution in information technology will make dictatorships more efficient and capable of control. "The enemies of liberal democracy hack our feelings of fear and hate and vanity, and then use these feelings to polarize and destroy," Harari says. "It is the responsibility of all of us to get to know our weaknesses and make sure they don't become weapons." (Followed by a brief conversation with TED curator Chris Anderson)... läs mer »

"You Found Me" | Helen Gillet

Cellist and singer Helen Gillet mixes her classical training, New Orleans-based jazz roots and free improvisational skills to perform her own eclectic music. In a powerful, melodious performance, she plays her song "You Found Me."... läs mer »

How Pakistani women are taking the internet back | Nighat Dad

TED Fellow Nighat Dad studies online harassment, especially as it relates to patriarchal cultures like the one in her small village in Pakistan. She tells the story of how she set up Pakistan's first cyber harassment helpline, offering support to women who face serious threats online. "Safe access to the internet is access to knowledge, and knowledge is freedom," she says. "When I fight for a woman's digital rights, I am fighting for equality."... läs mer »

The age-old sharing economies of Africa -- and why we should scale them | Robert Neuwirth

From rides to homes and beyond, we're sharing everything these days, with the help of digital tools. But as modern and high-tech as the sharing economy seems, it's been alive in Africa for centuries, according to author Robert Neuwirth. He shares fascinating examples -- like apprenticeships that work like locally generated venture capital and systems for allocating scarce water -- and says that if we can propagate and scale these models, they could help communities thrive from the bottom up.... läs mer »

Scientists must be free to learn, to speak and to challenge | Kirsty Duncan

"You do not mess with something so fundamental, so precious, as science," says Kirsty Duncan, Canada's first Minister of Science. In a heartfelt, inspiring talk about pushing boundaries, she makes the case that researchers must be free to present uncomfortable truths and challenge the thinking of the day -- and that we all have a duty to speak up when we see science being stifled or suppressed.... läs mer »

The doctors, nurses and aid workers rebuilding Syria | Rola Hallam

Local humanitarians are beacons of light in the darkness of war, says humanitarian aid entrepreneur and TED Fellow Rola Hallam. She's working to help responders on the ground in devastated communities like Syria, where the destruction of health care is being used as a weapon of war. One of her campaigns achieved a global first: a crowdfunded hospital. Since it opened in 2017, the aptly named Hope Hospital has treated thousands of children. "Local humanitarians have the courage to persist, to dust themselves off from the wreckage and to start again, risking their lives to save others," Hallam says. "We can match their courage by not looking away or turning our backs."... läs mer »

A healthy economy should be designed to thrive, not grow | Kate Raworth

What would a sustainable, universally beneficial economy look like? "Like a doughnut," says Oxford economist Kate Raworth. In a stellar, eye-opening talk, she explains how we can move countries out of the hole -- where people are falling short on life's essentials -- and create regenerative, distributive economies that work within the planet's ecological limits.... läs mer »

The truth about unwanted arousal | Emily Nagoski

Sex educator Emily Nagoski breaks down one of the most dangerous myths about sex and introduces us to the science behind arousal nonconcordance: when there's a disconnect between physical response and the experience of pleasure and desire. Talking about such intimate, private moments can feel awkward or difficult, yet in this straightforward talk Nagoski urges all of us to share this crucial information with someone -- judges, lawyers, partners, kids. "With every brave conversation we have, we make the world that little bit better," says Nagoski. (This talk contains mature content.)... läs mer »

"Iyeza" / "Zabalaza" | Thandiswa Mazwai

Self-styled wild woman and rebel singer Thandiswa Mazwai rocks the TED stage with an electrifying performance of two songs: "Iyeza" and "Zabalaza."... läs mer »

What it's like to be a transgender dad | LB Hannahs

LB Hannahs candidly shares the experience of parenting as a genderqueer individual -- and what it can teach us about authenticity and advocacy. "Authenticity doesn't mean 'comfortable.' It means managing and negotiating the discomfort of everyday life," Hannahs says.... läs mer »

Why you should make useless things | Simone Giertz

In this joyful, heartfelt talk featuring demos of her wonderfully wacky creations, Simone Giertz shares her craft: making useless robots. Her inventions -- designed to chop vegetables, cut hair, apply lipstick and more -- rarely (if ever) succeed, and that's the point. "The true beauty of making useless things [is] this acknowledgment that you don't always know what the best answer is," Giertz says. "It turns off that voice in your head that tells you that you know exactly how the world works. Maybe a toothbrush helmet isn't the answer, but at least you're asking the question."... läs mer »

A playful solution to the housing crisis | Sarah Murray

Frustrated by her lack of self-determination in the housing market, Sarah Murray created a computer game that allows home buyers to design a house and have it delivered to them in modular components that can be assembled on-site. Learn how her effort is putting would-be homeowners in control of the largest purchase of their lives -- as well as cutting costs, protecting the environment and helping provide homes for those in need.... läs mer »

How Baltimore called a ceasefire | Erricka Bridgeford

In one day, in one city, in one neighborhood -- what if everyone put their guns down? Erricka Bridgeford is a peacemaker who wants to stop the murders and violence in her hometown of Baltimore. So she helped organize the Baltimore Ceasefire, a grassroots campaign to keep the peace. In a passionate, personal talk, Bridgeford tells the story of the Ceasefire movement and their bigger vision for zero murders in Baltimore.... läs mer »

What it takes to be racially literate | Priya Vulchi and Winona Guo

Over the last year, Priya Vulchi and Winona Guo traveled to all 50 US states, collecting personal stories about race and intersectionality. Now they're on a mission to equip every American with the tools to understand, navigate and improve a world structured by racial division. In a dynamic talk, Vulchi and Guo pair the personal stories they've collected with research and statistics to reveal two fundamental gaps in our racial literacy -- and how we can overcome them.... läs mer »

How to build (and rebuild) trust | Frances Frei

Trust is the foundation for everything we do. But what do we do when it's broken? In an eye-opening talk, Harvard Business School professor Frances Frei gives a crash course in trust: how to build it, maintain it and rebuild it -- something she worked on during a recent stint at Uber. "If we can learn to trust one another more, we can have unprecedented human progress," Frei says.... läs mer »

Why you don't like the sound of your own voice | Rébecca Kleinberger

Your voice is indistinguishable from how other people see you, but your relationship with it is far from obvious. Rébecca Kleinberger studies how we use and understand our voices and the voices of others. She explains why you may not like the sound of your own voice on recordings, the differences between your outward, inward and inner voices -- and the extraordinary things you communicate without being aware of it.... läs mer »