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2.850 afleveringen, van nieuw naar oud
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Your body was forged in the spectacular death of stars | Enrico Ramirez-Ruiz
17 december 2019 · 15 min
We are all connected by the spectacular birth, death and rebirth of stars, says astrophysicist Enrico Ramirez-Ruiz. Journey through the cosmic history of the universe as Ramirez-Ruiz explains how supernovas forged the elements of life to create everything from the air you breathe to the very atoms that make you. Lees meer
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How the gut microbes you're born with affect your lifelong health | Henna-Maria Uusitupa
16 december 2019 · 11 min
Your lifelong health may have been decided the day you were born, says microbiome researcher Henna-Maria Uusitupa. In this fascinating talk, she shows how the gut microbes you acquire during birth and as an infant impacts your health into adulthood -- and discusses new microbiome research that could help tackle problems like obesity and diabetes. Lees meer
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This is what makes employees happy at work | Michael C. Bush
16 december 2019 · 5 min
There are three billion working people on this planet, and only 40 percent of them report being happy at work. Michael C. Bush shares his insights into what makes workers unhappy -- and how companies can benefit their bottom lines by fostering satisfaction. Lees meer
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A guide to collaborative leadership | Lorna Davis
12 december 2019 · 14 min
What's the difference between heroes and leaders? In this insightful talk, Lorna Davis explains how our idolization of heroes is holding us back from solving big problems -- and shows why we need "radical interdependence" to make real change happen. Lees meer
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An honest look at price, innovation and who powers the economy | Mariana Mazzucato
11 december 2019 · 19 min
Where does wealth come from, who creates it and what destroys it? In this deep dive into global economics, Mariana Mazzucato explains how we lost sight of what value means and why we need to rethink our current financial systems -- so capitalism can be steered toward a bold, innovative and sustainable future that works for all of us. Lees meer
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Why I protest for climate justice | Jane Fonda
10 december 2019 · 14 min
At age 81, actor and activist Jane Fonda is putting herself on the line for the planet -- literally. In a video interview with TEDWomen curator Pat Mitchell, Fonda speaks about getting arrested multiple times during Fire Drill Fridays, the weekly climate demonstrations she leads in Washington, DC -- and discusses why civil disobedience is becoming a new normal in the age of climate change. Lees meer
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The increasing pace of modern life -- and how we can adapt | Kathryn Bouskill
9 december 2019 · 10 min
Why does modern technology promise efficiency, but leave us constantly feeling pressed for time? Anthropologist Kathryn Bouskill explores the paradoxes of living in a fast-paced society and explains why we need to reconsider the importance of slowing down in a world that demands go, go, go. Lees meer
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The profound power of an authentic apology | Eve Ensler
6 december 2019 · 8 min
Genuine apology goes beyond remorse, says legendary playwright Eve Ensler. In this frank, wrenching talk, she shares how she transformed her own experience of abuse into wisdom on what wrongdoers can do and say to truly repent -- and offers a four-step roadmap to help begin the process. (This talk contains mature content.) Lees meer
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A video game that helps us understand loneliness | Cornelia Geppert
5 december 2019 · 13 min
Step into artist Cornelia Geppert's visually stunning video game "Sea of Solitude," which explores how battling the "monsters" of loneliness and self-doubt can help us better grapple with the complexity and struggles of mental health. Lees meer
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The problem of light pollution -- and 5 ridiculously easy ways to fix it | Kelsey Johnson
4 december 2019 · 13 min
Ever gaze up at the starry night sky? This stunning view is at risk of disappearing -- unless we act now, says astrophysicist Kelsey Johnson. In this fascinating, unexpectedly funny talk, she explains how light pollution affects almost every species on earth (including us) and shares five “stupidly simple” things you can do to help solve the problem. Lees meer
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Want to change the world? Learn the art of fundraising | Kara Logan Berlin
3 december 2019 · 16 min
How do you raise money to get an idea off the ground, support a community, help change the world? Take a crash course on the secret art of successful fundraising with development strategist Kara Logan Berlin as she shares how anyone can learn to ask for money -- and get it, too. Lees meer
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How I'm using biological data to tell better stories -- and spark social change | Heidi Boisvert
2 december 2019 · 8 min
What kinds of stories move us to act? To answer this question, creative technologist Heidi Boisvert is measuring how people's brains and bodies unconsciously respond to different media. She shows how she's using this data to determine the specific narrative ingredients that inspire empathy and justice -- and spark large-scale social change. Lees meer
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A healthy economy should be designed to thrive, not growth | Kate Raworth
29 november 2019 · 16 min
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. Lees meer
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How smartphones really work | Cathy Mulzer
27 november 2019 · 14 min
Ever wondered how your smartphone works? Take a journey down to the atomic level with scientist Cathy Mulzer, who reveals how almost every component of our high-powered devices exists thanks to chemists -- and not the Silicon Valley entrepreneurs that come to most people’s minds. As she puts it: “Chemistry is the hero of electronic communications.” Lees meer
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How you can use impostor syndrome to your benefit | Mike Cannon-Brookes
26 november 2019 · 14 min
Have you ever doubted your abilities, feared you were going to be discovered as a "fraud"? That's called "impostor syndrome," and you're definitely not alone in feeling it, says entrepreneur and CEO Mike Cannon-Brookes. In this funny, relatable talk, he shares how his own experiences of impostor syndrome helped pave the way to his success -- and shows how you can use it to your advantage, too. Lees meer
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3 questions we should ask about nuclear weapons | Emma Belcher
25 november 2019 · 13 min
There are more than 10,000 nuclear weapons in existence today, each one capable of causing immense destruction. Why don't we talk about this threat as much as some other major issues? In this practical talk, nuclear security expert Emma Belcher shares three questions you can ask your elected officials to gain a better understanding of the state of nuclear weapons and the measures we need to stay safe. Lees meer
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The search for our solar system's ninth planet | Mike Brown
22 november 2019 · 13 min
Could the strange orbits of small, distant objects in our solar system lead us to a big discovery? Planetary astronomer Mike Brown proposes the existence of a new, giant planet lurking in the far reaches of our solar system -- and shows us how traces of its presence might already be staring us in the face. Lees meer
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How to save a language from extinction | Daniel Bögre Udell
21 november 2019 · 6 min
As many as 3,000 languages could disappear within the next 80 years, all but silencing entire cultures. In this quick talk, language preserver Daniel Bögre Udell shows how people around the world are finding new ways to revive ancestral languages and rebuild their traditions -- and encourages us all to investigate the tongues of our ancestors. “Reclaiming your language and embracing your culture is a powerful way to be yourself,” he says. Lees meer
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A creative solution for the water crisis in Flint, Michigan | LaToya Ruby Frazier
20 november 2019 · 12 min
Artist LaToya Ruby Frazier spent five months living in Flint, Michigan, documenting the lives of those affected by the city’s water crisis for her photo essay “Flint is Family.” As the crisis dragged on, she realized it was going to take more than a series of photos to bring relief. In this inspiring, surprising talk, she shares the creative lengths she went to in order to bring free, clean water to the people of Flint. Lees meer
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For better health care, embrace irrationality | David Asch
19 november 2019 · 17 min
Why do we make poor decisions that we know are bad for our health? In this frank, funny talk, behavioral economist and health policy expert David Asch explains why our behavior is often irrational -- in highly predictable ways -- and shows how we can harness this irrationality to make better decisions and improve our health care system overall. Lees meer
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How to change your behavior for the better | Dan Ariely
18 november 2019 · 15 min
What's the best way to get people to change their behavior? In this funny, information-packed talk, psychologist Dan Ariely explores why we make bad decisions even when we know we shouldn't -- and discusses a couple tricks that could get us to do the right thing (even if it's for the wrong reason). Lees meer
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Why gender-based marketing is bad for business | Gaby Barrios
15 november 2019 · 11 min
Companies often target consumers based on gender, but this kind of advertising shortcut not only perpetuates outdated stereotypes -- it’s also bad for business, says marketing expert Gaby Barrios. In this clear, actionable talk, she explains why gender-based marketing doesn’t drive business nearly as much as you might think -- and shows how companies can find better ways to reach customers and grow their brands. Lees meer
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What's really happening at the US-Mexico border -- and how we can do better | Erika Pinheiro
14 november 2019 · 14 min
At the US-Mexico border, policies of prolonged detention and family separation have made seeking asylum in the United States difficult and dangerous. In this raw and heartfelt talk, immigration attorney Erika Pinheiro offers a glimpse into her daily work on both sides of the border and shares some of the stories behind the statistics -- including her own story of being detained and separated from her son. It's a clear-eyed call to remember the humanity that's impacted by policy -- and a warning: "History shows us that the first population to be vilified and stripped of their rights is rarely the last," she says. Lees meer
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How can we support the emotional wellbeing of teachers? | Sydney Jensen
13 november 2019 · 11 min
Teachers emotionally support our kids -- but who’s supporting teachers? In this eye-opening talk, educator Sydney Jensen explores how teachers are at risk of "secondary trauma" -- the idea that they absorb the emotional weight of their students' experiences -- and shows how schools can get creative in supporting everyone's mental health and wellness. Lees meer
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Cryptographers, quantum computers and the war for information | Craig Costello
13 november 2019 · 16 min
In this glimpse into our technological future, cryptographer Craig Costello discusses the world-altering potential of quantum computers, which could shatter the limits set by today’s machines -- and give code breakers a master key to the digital world. See how Costello and his fellow cryptographers are racing to reinvent encryption and secure the internet. Lees meer
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Hope and justice for women who’ve survived ISIS | Rabiaa El Garani
11 november 2019 · 15 min
Human rights protector Rabiaa El Garani shares the challenging, heartbreaking story of sexual violence committed against Yazidi women and girls in Iraq by ISIS -- and her work seeking justice for the survivors. “These victims have been through unimaginable pain. But with a little help, they show how resilient they are,” she says. “It is an honor to bear witness; it is a privilege to seek justice.” (This talk contains mature content.) Lees meer
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A historical musical that examines black identity in the 1901 World's Fair | Amma Y. Ghartey-Tagoe Kootin
8 november 2019 · 11 min
In this lively talk and performance, artist and TED Fellow Amma Y. Ghartey-Tagoe Kootin offers a sneak peek of her forthcoming musical "At Buffalo." Drawing on archival material from the 1901 Pan-American Exhibition, a world's fair held in Buffalo, New York, the show examines conflicting representations of black identity exhibited at the fair -- highlighting unsettlingly familiar parallels between American society at the turn of the century and today, and asking: Are we all still part of the show? Lees meer
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What obligation do social media platforms have to the greater good? | Eli Pariser
7 november 2019 · 17 min
Social media has become our new home. Can we build it better? Taking design cues from urban planners and social scientists, technologist Eli Pariser shows how the problems we’re encountering on digital platforms aren’t all that new -- and shares how, by following the model of thriving towns and cities, we can create trustworthy online communities. Lees meer
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Our immigration conversation is broken -- here’s how to have a better one | Paul A. Kramer
6 november 2019 · 17 min
How did the US immigration debate get to be so divisive? In this informative talk, historian and writer Paul A. Kramer shows how an “insider vs. outsider” framing has come to dominate the way people in the US talk about immigration -- and suggests a set of new questions that could reshape the conversation around whose life, rights and thriving matters. Lees meer
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What happens to people in solitary confinement | Laura Rovner
5 november 2019 · 12 min
Imagine living with no significant human contact for years, even decades, in a cell the size of a small bathroom. This is the reality for those in long-term solitary confinement, a form of imprisonment regularly imposed in US prisons. In this eye-opening talk, civil rights lawyer Laura Rovner takes us to ADX, the US federal government's only supermax prison, and describes the dehumanizing effects of long-term solitude on the mind, personality and sense of self. What emerges is an urgent case for abolishing solitary confinement -- and evidence for how our tax dollars, public safety and values are implicated in it. "Prisons are administered in our name and on our behalf," she says. "We have an obligation to bear witness." Lees meer
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The business case for working with your toughest critics | Bob Langert
4 november 2019 · 15 min
As a “corporate suit” (his words) and former VP of sustainability at McDonald’s, Bob Langert works with companies and their strongest critics to find solutions that are good for both business and society. In this actionable talk, he shares stories from the decades-long transition into corporate sustainability at McDonald’s -- including his work with unlikely partners like the Environmental Defense Fund and Temple Grandin -- and shows why your adversaries can sometimes be your best allies. Lees meer
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The next software revolution: programming biological cells | Sara-Jane Dunn
1 november 2019 · 15 min
The cells in your body are like computer software: they’re “programmed” to carry out specific functions at specific times. If we can better understand this process, we could unlock the ability to reprogram cells ourselves, says computational biologist Sara-Jane Dunn. In a talk from the cutting-edge of science, she explains how her team is studying embryonic stem cells to gain a new understanding of the biological programs that power life -- and develop “living software” that could transform medicine, agriculture and energy. Lees meer
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What vaccinating vampire bats can teach us about pandemics | Daniel Streicker
31 oktober 2019 · 16 min
Could we anticipate the next big disease outbreak, stopping a virus like Ebola before it ever strikes? In this talk about frontline scientific research, ecologist Daniel Streicker takes us to the Amazon rainforest in Peru where he tracks the movement of vampire bats in order to forecast and prevent rabies outbreaks. By studying these disease patterns, Streicker shows how we could learn to cut off the next pandemic at its source. Lees meer
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What productive conflict can offer a workplace | Jess Kutch
31 oktober 2019 · 6 min
Got an idea to make your workplace better? Labor organizer and TED Fellow Jess Kutch can show you how to put it into action. In this quick talk, she explains how "productive conflict" -- when people organize to challenge and change their work lives for the better -- can be beneficial for employees and employers alike. Lees meer
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Lessons from fungi on markets and economics | Toby Kiers
30 oktober 2019 · 16 min
Resource inequality is one of our greatest challenges, but it’s not unique to humans. Like us, mycorrhizal fungi that live in plant and tree roots strategically trade, steal and withhold resources, displaying remarkable parallels to humans in their capacity to be opportunistic (and sometimes ruthless) -- all in the absence of cognition. In a mind-blowing talk, evolutionary biologist Toby Kiers shares what fungi networks and relationships reveal about human economies, and what they can tell us about inequality. Lees meer
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The price of a "clean" internet | Hans Block and Moritz Riesewieck
29 oktober 2019 · 13 min
Millions of images and videos are uploaded to the internet each day, yet we rarely see shocking and disturbing content in our social media feeds. Who's keeping the internet "clean" for us? In this eye-opening talk, documentarians Hans Block and Moritz Riesewieck take us inside the shadowy world of online content moderators -- the people contracted by major platforms like Facebook, Twitter and Google to rid the internet of toxic material. Learn more about the psychological impact of this kind of work -- and how "digital cleaning" influences what all of us see and think. Lees meer
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The medical potential of AI and metabolites | Leila Pirhaji
29 oktober 2019 · 5 min
Many diseases are driven by metabolites -- small molecules in your body like fat, glucose and cholesterol -- but we don’t know exactly what they are or how they work. Biotech entrepreneur and TED Fellow Leila Pirhaji shares her plan to build an AI-based network to characterize metabolite patterns, better understand how disease develops -- and discover more effective treatments. Lees meer
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How to bring affordable, sustainable electricity to Africa | Rose M. Mutiso
28 oktober 2019 · 13 min
Energy poverty, or the lack of access to electricity and other basic energy services, affects nearly two-thirds of Sub-Saharan Africa. As the region's population continues to increase, so will the need to build a new energy system to grow with it, says Rose M. Mutiso. In a bold talk, she discusses how solutions like off-grid solar, wind farms and hydroelectric and geothermal power could create a high-energy future for Africa -- providing reliable electricity, creating jobs and raising incomes. Lees meer
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The revolutionary power of diverse thought | Elif Shafak
25 oktober 2019 · 22 min
"From populist demagogues, we will learn the indispensability of democracy," says novelist Elif Shafak. "From isolationists, we will learn the need for global solidarity. And from tribalists, we will learn the beauty of cosmopolitanism." A native of Turkey, Shafak has experienced firsthand the devastation that a loss of diversity can bring -- and she knows the revolutionary power of plurality in response to authoritarianism. In this passionate, personal talk, she reminds us that there are no binaries, in politics, emotions and our identities. "One should never, ever remain silent for fear of complexity," Shafak says. Lees meer
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How you can help transform the internet into a place of trust | Claire Wardle
24 oktober 2019 · 10 min
How can we stop the spread of misleading, sometimes dangerous content while maintaining an internet with freedom of expression at its core? Misinformation expert Claire Wardle explores the new challenges of our polluted online environment and maps out a plan to transform the internet into a place of trust -- with the help everyday users. “Together, let’s rebuild our information commons,” she says. Lees meer
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The link between fishing cats and mangrove forest conservation | Ashwin Naidu
24 oktober 2019 · 6 min
Mangrove forests are crucial to the health of the planet, gobbling up CO2 from the atmosphere and providing a home for a diverse array of species. But these rich habitats are under continual threat from deforestation and industry. In an empowering talk, conservationist and TED Fellow Ashwin Naidu shares how community-driven efforts in South and Southeast Asia are helping to protect mangroves -- all with a little help from the mysterious and endangered fishing cat. Lees meer
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The pride and power of representation in film | Jon M. Chu
23 oktober 2019 · 14 min
On the heels of the breakout success of his film "Crazy Rich Asians," director Jon M. Chu reflects on what drives him to create -- and makes a resounding case for the power of connection and on-screen representation. Lees meer
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How motivation can fix public systems | Abhishek Gopalka
23 oktober 2019 · 14 min
How do you fix broken public systems? You spark people's competitive spirit. In a talk about getting people motivated to make change, public sector strategist Abhishek Gopalka discusses how he helped improve the health system of Rajasthan, a state in India home to more than 80 million people, using the powers of transparency and public accountability. "Motivation doesn't just appear," Gopalka says. "Something needs to change to make you care." Lees meer
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Fashion that celebrates all body types -- boldly and unapologetically | Becca McCharen-Tran
22 oktober 2019 · 9 min
Fashion designers have the power to change culture -- and Becca McCharen-Tran is using her platform to expand the industry's narrow definition of beauty. Sharing highlights of her work, McCharen-Tran discusses the inspiration behind her norm-shattering designs and shows how she's celebrating beauty in all forms. "I want the consumer to know that it's not your body that needs to change -- it's the clothes," she says. Lees meer
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Why we have an emotional connection to robots | Kate Darling
21 oktober 2019 · 12 min
We're far from developing robots that feel emotions, but we already have feelings towards them, says robot ethicist Kate Darling, and an instinct like that can have consequences. Learn more about how we're biologically hardwired to project intent and life onto machines -- and how it might help us better understand ourselves. Lees meer
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An app that helps incarcerated people stay connected to their families | Marcus Bullock
18 oktober 2019 · 14 min
Over his eight-year prison sentence, Marcus Bullock was sustained by his mother's love -- and by the daily letters and photos she sent of life on the outside. Years later, as an entrepreneur, Bullock asked himself: How can I make it easier for all families to stay connected during incarceration? Enter FlikShop: an app he developed that lets families send quick postcards to loved ones in prison and help keep open a critical line of support. Lees meer
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How a handful of fishing villages sparked a marine conservation revolution | Alasdair Harris
17 oktober 2019 · 12 min
We need a radically new approach to ocean conservation, says marine biologist Alasdair Harris. In a visionary talk, he lays out a surprising solution to the problem of overfishing that could both revive marine life and rebuild local fisheries -- all by taking less from the ocean. “When we design it right, marine conservation reaps dividends that go far beyond protecting nature,” he says. Lees meer
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A circular economy for salt that keeps rivers clean | Tina Arrowood
16 oktober 2019 · 13 min
During the winter of 2018-2019, one million tons of salt were applied to icy roads in the state of Pennsylvania alone. The salt from industrial uses like this often ends up in freshwater rivers, making their water undrinkable and contributing to a growing global crisis. How can we better protect these precious natural resources? Physical organic chemist Tina Arrowood shares a three-step plan to keep salt out of rivers -- and create a circular salt economy that turns industrial byproducts into valuable resources. Lees meer
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How family separation at the US-Mexico border affects children’s mental health | Luis H. Zayas
15 oktober 2019 · 15 min
How does psychological trauma affect children's developing brains? In this powerful talk, social worker Luis H. Zayas discusses his work with refugees and asylum-seeking families at the US-Mexico border. What emerges is a stunning analysis of the long-term impact of the US's controversial detention and child separation policies -- and practical steps for how the country can do better. Lees meer
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How we can eliminate child sexual abuse material from the internet | Julie Cordua
15 oktober 2019 · 14 min
Social entrepreneur Julie Cordua works on a problem that isn’t easy to talk about: the sexual abuse of children in images and videos on the internet. At Thorn, she’s building technology to connect the dots between the tech industry, law enforcement and government -- so we can swiftly end the viral distribution of abuse material and rescue children faster. Learn more about how this scalable solution could help dismantle the communities normalizing child sexual abuse around the world today. (This ambitious plan is part of the Audacious Project, TED’s initiative to inspire and fund global change.) Lees meer
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