TED Talks Daily

Alle afleveringen

2.850 afleveringen, van nieuw naar oud

  1. What you should know about vaping and e-cigarettes | Suchitra Krishnan-Sarin

    15 mei 2019 · 15 min

    Afspelen
    E-cigarettes and vapes have exploded in popularity in the last decade, especially among youth and young adults -- from 2011 to 2015, e-cigarette use among high school students in the US increased by 900 percent. Biobehavioral scientist Suchitra Krishnan-Sarin explains what you're actually inhaling when you vape (hint: it's definitely not water vapor) and explores the disturbing marketing tactics being used to target kids. "Our health, the health of our children and our future generations is far too valuable to let it go up in smoke -- or even in aerosol," she says. Lees meer

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  2. The surprisingly charming science of your gut | Giulia Enders

    13 mei 2019 · 14 min

    Afspelen
    Ever wonder how we poop? Learn about the gut -- the system where digestion (and a whole lot more) happens -- as doctor and author Giulia Enders takes us inside the complex, fascinating science behind it, including its connection to mental health. It turns out, looking closer at something we might shy away from can leave us feeling more fearless and appreciative of ourselves. Lees meer

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  3. The case for having kids | Wajahat Ali

    9 mei 2019 · 12 min

    Afspelen
    The global fertility rate, or the number of children per woman, has halved over the last 50 years. What will having fewer babies mean for the future of humanity? In this funny, eye-opening talk, journalist (and self-described exhausted dad) Wajahat Ali examines how the current trend could lead to unexpected problems -- and shares why he believes we need to make it easier for people to have babies. "For those who can and choose to, may you pass on this beautiful thing called life with kindness, generosity, decency and love," he says. Lees meer

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  4. The crisis of leadership -- and a new way forward | Halla Tómasdóttir and Bryn Freedman

    8 mei 2019 · 14 min

    Afspelen
    What should modern leadership look like? Entrepreneur and former Icelandic presidential candidate Halla Tómasdóttir thinks global leaders need to change their ways -- or risk becoming irrelevant. In a conversation with curator Bryn Freedman, she shows how anybody can step up and make a difference, even if you don't yet have power. "There's a leader inside every single one of us," she says, "and our most important work in life is to release that leader." Lees meer

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  5. How to revive your belief in democracy | Eric Liu

    7 mei 2019 · 14 min

    Afspelen
    Civic evangelist Eric Liu shares a powerful way to rekindle the spirit of citizenship and the belief that democracy still works. Join him for a trip to "Civic Saturday" and learn more about how making civic engagement a weekly habit can help build communities based on shared values and a path to belonging. Lees meer

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  6. How to transform apocalypse fatigue into action on global warming | Per Espen Stoknes

    3 mei 2019 · 15 min

    Afspelen
    The biggest obstacle to dealing with climate disruptions lies between your ears, says psychologist and economist Per Espen Stokes. He's spent years studying the defenses we use to avoid thinking about the demise of our planet -- and figuring out a new way of talking about global warming that keeps us from shutting down. Step away from the doomsday narratives and learn how to make caring for the earth feel personable, do-able and empowering with this fun, informative talk. Lees meer

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  7. How supercharged plants could slow climate change | Joanne Chory

    2 mei 2019 · 14 min

    Afspelen
    Plants are amazing machines -- for millions of years, they've taken carbon dioxide out of the air and stored it underground, keeping a crucial check on the global climate. Plant geneticist Joanne Chory is working to amplify this special ability: with her colleagues at the Salk Institute Plant Biology Laboratory, she's creating plants that can store more carbon, deeper underground, for hundreds of years. Learn more about how these supercharged plants could help slow climate change. (This ambitious plan is a part of The Audacious Project, TED's initiative to inspire and fund global change.) Lees meer

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  8. Why we ignore obvious problems -- and how to act on them | Michele Wucker

    1 mei 2019 · 10 min

    Afspelen
    Why do we often neglect big problems, like the financial crisis and climate change, until it's too late? Policy strategist Michele Wucker urges us to replace the myth of the "black swan" -- that rare, unforeseeable, unavoidable catastrophe -- with the reality of the "gray rhino," the preventable danger that we choose to ignore. She shows why predictable crises catch us by surprise -- and lays out some signs that there may be a charging rhino in your life right now. Lees meer

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  9. How to recover from activism burnout | Yana Buhrer Tavanier

    30 april 2019 · 8 min

    Afspelen
    When you're feeling burned out as an activist, what's the best way to bounce back? TED Senior Fellow Yana Buhrer Tavanier explores the power of "playtivism" -- the incorporation of play and creativity into movements for social change. See how this versatile approach can spark new ideas, propel action and melt fear. Lees meer

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  10. How I broke comedy | Hannah Gadsby

    29 april 2019 · 19 min

    Afspelen
    Hannah Gadsby's groundbreaking special "Nanette" broke comedy. In a talk about truth and purpose, she shares three ideas and three contradictions. (Or not.) Lees meer

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  11. How generational stereotypes hold us back at work | Leah Georges

    24 april 2019 · 12 min

    Afspelen
    The Silent Generation, baby boomers, Generation X, millennials, Gen Z -- we're all in the workforce together. How are our assumptions about each other holding us back from working and communicating better? Social psychologist Leah Georges shows how we're more similar than different and offers helpful tactics for navigating the multigenerational workplace. Lees meer

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  12. Can we cure genetic diseases by rewriting DNA? | David R. Liu

    23 april 2019 · 16 min

    Afspelen
    In a story of scientific discovery, chemical biologist David R. Liu shares a breakthrough: his lab's development of base editors that can rewrite DNA. This crucial step in genome editing takes the promise of CRISPR to the next level: if CRISPR proteins are molecular scissors, programmed to cut specific DNA sequences, then base editors are pencils, capable of directly rewriting one DNA letter into another. Learn more about how these molecular machines work -- and their potential to treat or even cure genetic diseases. Lees meer

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  13. A personal air-quality tracker that lets you know what you're breathing | Romain Lacombe

    22 april 2019 · 6 min

    Afspelen
    How often do you think about the air you're breathing? Probably not enough, says entrepreneur and TED Fellow Romain Lacombe. He introduces Flow: a personal air-quality tracker that fits in your hand and monitors pollution levels in real time. See how this device could help you track and understand pollution street by street, hour by hour -- and empower you to take action to improve your health. Lees meer

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  14. How hip-hop helps us understand science | Danielle N. Lee

    19 april 2019 · 8 min

    Afspelen
    In the early 1990s, a scandal rocked evolutionary biology: scientists discovered that songbirds -- once thought to be strictly monogamous -- engaged in what's politely called "extra-pair copulation." In this unforgettable biology lesson on animal infidelity, TED Fellow Danielle N. Lee shows how she uses hip-hop to teach science, leading the crowd in an updated version of Naughty by Nature's hit "O.P.P." Lees meer

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  15. How Twitter needs to change | Jack Dorsey

    17 april 2019 · 25 min

    Afspelen
    Can Twitter be saved? In a wide-ranging conversation with TED's Chris Anderson and Whitney Pennington Rodgers, Twitter CEO Jack Dorsey discusses the future of the platform -- acknowledging problems with harassment and moderation and proposing some fundamental changes that he hopes will encourage healthy, respectful conversations. "Are we actually delivering something that people value every single day?" Dorsey asks. Lees meer

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  16. Facebook's role in Brexit -- and the threat to democracy | Carole Cadwalladr

    16 april 2019 · 15 min

    Afspelen
    In an unmissable talk, journalist Carole Cadwalladr digs into one of the most perplexing events in recent times: the UK's super-close 2016 vote to leave the European Union. Tracking the result to a barrage of misleading Facebook ads targeted at vulnerable Brexit swing voters -- and linking the same players and tactics to the 2016 US presidential election -- Cadwalladr calls out the "gods of Silicon Valley" for being on the wrong side of history and asks: Are free and fair elections a thing of the past? Lees meer

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  17. Empower a girl, transform a community | Kakenya Ntaiya

    15 april 2019 · 12 min

    Afspelen
    Kakenya Ntaiya turned her dream of getting an education into a movement to empower vulnerable girls and bring an end to harmful traditional practices in Kenya. Meet two students at the Kakenya Center for Excellence, a school where girls can live and study safely -- and uplift their community along the way. "When you empower a girl, you transform a community,"Ntaiya says. Lees meer

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  18. 3 lessons on starting a movement from a self-defense trailblazer | Rana Abdelhamid

    12 april 2019 · 11 min

    Afspelen
    At 16,Rana Abdelhamid started teaching self-defense to women and girls in her neighborhood. Almost 10 years later, these community classes have grown into Malikah: a global grassroots network creating safety, power and solidarity for all women. How did she do it? Abdelhamid shares three ingredients for building a movement from the ground up. Lees meer

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  19. How risk-taking changes a teenager's brain | Kashfia Rahman

    11 april 2019 · 12 min

    Afspelen
    Why do teenagers sometimes make outrageous, risky choices? Do they suddenly become reckless, or are they just going through a natural phase? To find out, Kashfia Rahman -- winner of the Intel International Science and Engineering Fair (and a Harvard freshman) -- designed and conducted an experiment to test how high school students respond to and get used to risk, and how it changes their still-developing brains. What she discovered about risk and decision-making could change how we think about why teens do what they do. Lees meer

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  20. Wearable tech that helps you navigate by touch | Keith Kirkland

    10 april 2019 · 6 min

    Afspelen
    Keith Kirkland is developing wearable tech that communicates information using only the sense of touch. He's trying to figure out: What gestures and vibration patterns could intuitively communicate ideas like "stop" or "go"? Check out his team's first product, a navigation device for the blind and visually impaired, and learn more about the entirely new "haptic language" he's creating to power it. Lees meer

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  21. How to lead a conversation between people who disagree | Eve Pearlman

    8 april 2019 · 9 min

    Afspelen
    In a world deeply divided, how do we have hard conversations with nuance, curiosity, respect? Veteran reporter Eve Pearlman introduces "dialogue journalism": a project where journalists go to the heart of social and political divides to support discussions between people who disagree. See what happened when a group that would have never otherwise met -- 25 liberals from California and 25 conservatives from Alabama -- gathered to talk about contentious issues. "Real connection across difference: this is a salve that our democracy sorely needs," Pearlman says. Lees meer

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  22. An AI smartwatch that detects seizures and saves lives | Rosalind Picard

    5 april 2019 · 16 min

    Afspelen
    Every year worldwide, more than 50,000 otherwise healthy people with epilepsy suddenly die. These deaths may be largely preventable, says AI researcher Rosalind Picard. Learn how Picard helped develop a cutting-edge smartwatch that can detect epileptic seizures before they occur -- and alert nearby loved ones in time to help them. Lees meer

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  23. What refugees need to resettle | Muhammed Idris

    4 april 2019 · 6 min

    Afspelen
    Every minute, 20 people are newly displaced by climate change, economic crisis and political instability, according to the UNHCR. How can we help them overcome the barriers to starting new lives? TED Resident Muhammed Idris is leading a team of technologists, researchers and refugees to develop Atar, the first-ever AI-powered virtual advocate that guides displaced people through resettlement, helping restore their rights and dignity. "Getting access to the right resources and information can be the difference between life and death," Idris says. Lees meer

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  24. A Parkland teacher's homework for us all | Diane Wolk-Rogers

    3 april 2019 · 16 min

    Afspelen
    Diane Wolk-Rogers teaches history at Marjory Stoneman Douglas High School in Parkland, Florida, site of a horrific school shooting on Valentine's Day 2018. How can we end this senseless violence? In a stirring talk, Wolk-Rogers offers three ways Americans can move forward to create more safety and responsibility around guns -- and invites people to come up with their own answers, too. Above all, she asks us to take a cue from the student activists at her school, survivors whose work for change has moved millions to action. "They shouldn't have to do this on their own," Wolk-Rogers says. "They're asking you to get involved." Lees meer

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  25. How does income affect childhood brain development? | Kimberly Noble

    2 april 2019 · 12 min

    Afspelen
    Neuroscientist and pediatrician Kimberly Noble is leading the Baby's First Years study: the first-ever randomized study of how family income changes children's cognitive, emotional and brain development. She wants to find out: Can we help kids in poverty simply by giving families more money? "The brain is not destiny," Noble says. "And if a child's brain can be changed, then anything is possible." Lees meer

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  26. How sci-fi inspired us to go to the Moon | Alexander MacDonald

    1 april 2019 · 13 min

    Afspelen
    Long before we had rocket scientists, the idea of spaceflight traveled from mind to mind across generations. With great visuals, author and NASA economist Alexander MacDonald shows how 300 years of sci-fi tales -- from Edgar Allan Poe to Jules Verne to H.G. Wells and beyond -- sparked a culture of space exploration. A fascinating look at how stories become reality, featuring a goose machine sent to the Moon. Lees meer

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  27. Can we regenerate heart muscle with stem cells? | Chuck Murry

    29 maart 2019 · 15 min

    Afspelen
    The heart is one of the least regenerative organs in the human body -- a big factor in making heart failure the number one killer worldwide. What if we could help heart muscle regenerate after injury? Physician and scientist Chuck Murry shares his groundbreaking research into using stem cells to grow new heart cells -- an exciting step towards realizing the awesome promise of stem cells as medicine. Lees meer

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  28. A short history of trans people's long fight for equality | Samy Nour Younes

    28 maart 2019 · 6 min

    Afspelen
    Transgender activist and TED Resident Samy Nour Younes shares the remarkable, centuries-old history of the trans community, filled with courageous stories, inspiring triumphs -- and a fight for civil rights that's been raging for a long time. "Imagine how the conversation would shift if we acknowledge just how long trans people have been demanding equality," he says. Lees meer

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  29. To detect diseases earlier, let's speak bacteria's secret language | Fatima AlZahra'a Alatraktchi

    27 maart 2019 · 12 min

    Afspelen
    Bacteria "talk" to each other, sending chemical information to coordinate attacks. What if we could listen to what they were saying? Nanophysicist Fatima AlZahra'a Alatraktchi invented a tool to spy on bacterial chatter and translate their secret communication into human language. Her work could pave the way for early diagnosis of disease -- before we even get sick. Lees meer

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  30. A new class of drug that could prevent depression and PTSD | Rebecca Brachman

    26 maart 2019 · 5 min

    Afspelen
    Current treatments for depression and PTSD only suppress symptoms, if they work at all. What if we could prevent these diseases from developing altogether? Neuroscientist and TED Fellow Rebecca Brachman shares the story of her team's accidental discovery of a new class of drug that, for the first time ever, could prevent the negative effects of stress -- and boost a person's ability to recover and grow. Learn how these resilience-enhancing drugs could change the way we treat mental illness. Lees meer

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  31. The surprising habits of original thinkers | Adam Grant

    25 maart 2019 · 15 min

    Afspelen
    How do creative people come up with great ideas? Organizational psychologist Adam Grant studies "originals": thinkers who dream up new ideas and take action to put them into the world. In this talk, learn three unexpected habits of originals -- including embracing failure. "The greatest originals are the ones who fail the most, because they're the ones who try the most," Grant says. "You need a lot of bad ideas in order to get a few good ones." Lees meer

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  32. What's killing bees -- and how to save them | Noah Wilson-Rich

    20 maart 2019 · 13 min

    Afspelen
    Bees are dying off in record numbers, but ecologist Noah Wilson-Rich is interested in something else: Where are bees healthy and thriving? To find out, he recruited citizen scientists across the US to set up beehives in their backyards, gardens and rooftops. Learn how these little data factories are changing what we know about the habitats bees need to thrive -- and keep our future food systems stable. Lees meer

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  33. 3 lessons on success from an Arab businesswoman | Leila Hoteit

    19 maart 2019 · 14 min

    Afspelen
    Professional Arab women juggle more responsibilities than their male counterparts, and they face more cultural rigidity than Western women. What can their success teach us about tenacity, competition, priorities and progress? Tracing her career as an engineer, advocate and mother in Abu Dhabi, Leila Hoteit shares three lessons for thriving in the modern world. Lees meer

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  34. The secret to scientific discoveries? Making mistakes | Phil Plait

    18 maart 2019 · 11 min

    Afspelen
    Phil Plait was on the Hubble Space Telescope team that discovered the first exoplanet ever detected -- until they realized they'd made a mistake. What happened next? Follow along as Plait shows how science progresses -- through a robust amount of making and correcting errors. "The price of doing science is admitting when you're wrong, but the payoff is the best there is: knowledge and understanding," he says. Lees meer

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  35. How to keep human biases out of AI | Kriti Sharma

    15 maart 2019 · 12 min

    Afspelen
    AI algorithms make important decisions about you all the time -- like how much you should pay for car insurance or whether or not you get that job interview. But what happens when these machines are built with human biases coded into their systems? Technologist Kriti Sharma explores how the lack of diversity in tech is creeping into our AI, offering three ways we can start making more ethical algorithms. Lees meer

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  36. Our dangerous quest to perfect ourselves | Thomas Curran

    14 maart 2019 · 15 min

    Afspelen
    Social psychologist Thomas Curran explores how the pressure to be perfect -- in our social media feeds, in school, at work -- is driving a rise in mental illness, especially among young people. Learn more about the causes of this phenomenon and how we can create a culture that celebrates the joys of imperfection. Lees meer

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  37. Where did the Moon come from? A new theory | Sarah T. Stewart

    13 maart 2019 · 11 min

    Afspelen
    The Earth and Moon are like identical twins, made up of the exact same materials -- which is really strange, since no other celestial bodies we know of share this kind of chemical relationship. What's responsible for this special connection? Looking for an answer, planetary scientist and MacArthur "Genius" Sarah T. Stewart discovered a new kind of astronomical object -- a synestia -- and a new way to solve the mystery of the Moon's origin. Lees meer

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  38. The creative power of misfits | WorkLife with Adam Grant

    12 maart 2019 · 41 min

    Afspelen
    Harness the power of frustrated people to shake up the status quo -- just like Pixar did. This episode is made possible with the support of Bonobos, Accenture, Hilton and JPMorgan Chase & Co. (Audio only) Lees meer

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  39. The "dementia village" that's redefining elder care | Yvonne van Amerongen

    11 maart 2019 · 10 min

    Afspelen
    How would you prefer to spend the last years of your life: in a sterile, hospital-like institution or in a village with a supermarket, pub, theater and park within easy walking distance? The answer seems obvious now, but when Yvonne van Amerongen helped develop the groundbreaking Hogeweyk dementia care center in Amsterdam 25 years ago, it was seen as a risky break from tradition. Journey with van Amerongen to Hogeweyk and get a glimpse at what a reimagined nursing home based on freedom, meaning and social life could look like. Lees meer

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  40. We should all be feminists | Chimamanda Ngozi Adichie

    8 maart 2019 · 30 min

    Afspelen
    We teach girls that they can have ambition, but not too much ... to be successful, but not too successful, or they'll threaten men, says author Chimamanda Ngozi Adichie. In this classic talk that started a worldwide conversation about feminism, Adichie asks that we begin to dream about and plan for a different, fairer world -- of happier men and women who are truer to themselves. Lees meer

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  41. The most powerful woman you've never heard of | T. Morgan Dixon and Vanessa Garrison

    7 maart 2019 · 13 min

    Afspelen
    Everyone's heard of Martin Luther King Jr. But do you know the woman Dr. King called "the architect of the civil rights movement," Septima Clark? The teacher of some of the generation's most legendary activists -- like Rosa Parks, Diane Nash, Fannie Lou Hamer and thousands more -- Clark laid out a blueprint for change-making that has stood the test of time. Now T. Morgan Dixon and Vanessa Garrison, the cofounders of GirlTrek, are taking a page from Clark's playbook to launch a health revolution in the US -- and to get one million women walking for justice. (This ambitious plan is a part of The Audacious Project, TED's initiative to inspire and fund global change.) Lees meer

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  42. How we can store digital data in DNA | Dina Zielinski

    6 maart 2019 · 13 min

    Afspelen
    From floppy disks to thumb drives, every method of storing data eventually becomes obsolete. What if we could find a way to store all the world's data forever? Bioinformatician Dina Zielinski shares the science behind a solution that's been around for a few billion years: DNA. Lees meer

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  43. A bold idea to replace politicians | César Hidalgo

    5 maart 2019 · 13 min

    Afspelen
    CésarHidalgo has a radical suggestion for fixing our broken political system: automate it! In this provocative talk, he outlines a bold idea to bypass politicians by empowering citizens to create personalized AI representatives that participate directly in democratic decisions. Explore a new way to make collective decisions and expand your understanding of democracy. Lees meer

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  44. How I'm making bricks out of ashes and rubble in Gaza | Majd Mashharawi

    4 maart 2019 · 10 min

    Afspelen
    Majd Mashharawi was walking through her war-torn neighborhood in Gaza when an idea flashed in her mind: What if she could take the rubble and transform it into building materials? See how she designed a brick made out of ashes that's helping people rebuild their homes -- and learn about her new project: bringing solar-powered energy to families living in darkness. Lees meer

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  45. How a new species of ancestors is changing our theory of human evolution | Juliet Brophy

    1 maart 2019 · 11 min

    Afspelen
    In 2013, a treasure trove of unusual fossils were uncovered in a cave in South Africa, and researchers soon realized: these were the remains of a new species of ancient humans. PaleoanthropologistJulietBrophy takes us inside the discovery of Homo naledi, explaining how this mysterious ancestor is forcing us to rethink where we come from -- and what it means to be human. Lees meer

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  46. Is your country at risk of becoming a dictatorship? Here's how to know | Farida Nabourema

    28 februari 2019 · 11 min

    Afspelen
    Farida Nabourema has dedicated her life to fighting the military regime in Togo, Africa's oldest autocracy. She's learned two truths along the way: no country is destined to be oppressed -- and no country is immune to dictatorship. But how can you tell if you're at risk before it happens? In a stirring talk, Nabourema shares the four key signs of a dictatorship, along with the secret to defiance for those living within an oppressive system. Lees meer

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  47. The self-assembling computer chips of the future | Karl Skjonnemand

    27 februari 2019 · 12 min

    Afspelen
    The transistors that power the phone in your pocket are unimaginably small: you can fit more than 3,000 of them across the width of a human hair. But to keep up with innovations in fields like facial recognition and augmented reality, we need to pack even more computing power into our computer chips -- and we're running out of space. In this forward-thinking talk, technology developer Karl Skjonnemand introduces a radically new kind of way to create chips. "This could be the dawn of a new era of molecular manufacturing," Skjonnemand says. Lees meer

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  48. A juror's reflections on the death penalty | Lindy Lou Isonhood

    26 februari 2019 · 16 min

    Afspelen
    Lindy Lou Isonhood grew up in a town where the death penalty was a fact of life, part of the unspoken culture. But after she served as a juror in a capital murder trial -- and voted "yes" to sentencing a guilty man to death -- something inside her changed. In this engaging and personal talk, Isonhood reflects on the question she's been asking herself in the 25 years since the trial: Am I a murderer? Lees meer

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  49. An architect's subversive reimagining of the US-Mexico border wall | Ronald Rael

    25 februari 2019 · 12 min

    Afspelen
    What is a border? It's a line on a map, a place where cultures mix and merge in beautiful, sometimes violent and occasionally ridiculous ways. And a border wall? An overly simplistic response to that complexity, says architect Ronald Rael. In a moving, visual talk, Rael reimagines the physical barrier that divides the United States and Mexico -- sharing satirical, serious works of art inspired by the borderlands and showing us the border we don't see in the news. "There are not two sides defined by a wall. This is one landscape, divided," Rael says. Lees meer

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  50. How education helped me rewrite my life | Ashweetha Shetty

    21 februari 2019 · 11 min

    Afspelen
    There's no greater freedom than finding your purpose, says education advocate Ashweetha Shetty. Born to a poor family in rural India, Shetty didn't let the social norms of her community stifle her dreams and silence her voice. In this personal talk, she shares how she found self-worth through education -- and how she's working to empower other rural youth to explore their potential. "All of us are born into a reality that we blindly accept -- until something awakens us and a new world opens up," Shetty says. Lees meer

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