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TED

  • Harry Baker: A love poem for lonely prime numbers - Duration: 14:03.

    • 1 day ago
    • 14,992 views
    Performance poet (and math student) Harry Baker spins a love poem about his favorite kind of numbers — the lonely, love-lorn prime. Stay on for two more lively, inspiring poems from this charming p...
  • Topher White: What can save the rainforest? Your used cell phone - Duration: 9:35.

    • 2 days ago
    • 26,864 views
    The sounds of the rainforest include: the chirps of birds, the buzz of cicadas, the banter of gibbons. But in the background is the almost-always present sound of a chainsaw, from illegal loggers. ...
  • Jon Gosier: The problem with "trickle-down techonomics" - Duration: 6:09.

    • 3 days ago
    • 27,533 views
    Hooray for technology! It makes everything better for everyone!! Right? Well, no. When a new technology, like ebooks or health trackers, is only available to some people, it has unintended conseque...
  • Helder Guimarães: A magical search for a coincidence - Duration: 13:16.

    • 6 days ago
    • 71,373 views
    Small coincidences. They happen all the time and yet, they pass us by because we are not looking for them. In a delightfully subtle trick, magician Helder Guimarães demonstrates with a deck of card...
  • Ben Wellington: How we found the worst place to park in New York City — using big data - Duration: 11:53.

    • 1 week ago
    • 35,477 views
    City agencies have access to a wealth of data and statistics reflecting every part of urban life. But as data analyst Ben Wellington suggests in this entertaining talk, sometimes they just don't kn...
  • Romina Libster: The power of herd immunity - Duration: 14:46.

    • 1 week ago
    • 30,942 views
    How do vaccines prevent disease — even among people too young to get vaccinated? It's a concept called "herd immunity," and it relies on a critical mass of people getting their shots to break the c...
  • Khalida Brohi: How I work to protect women from honor killings - Duration: 18:18.

    • 1 week ago
    • 19,087 views
    Nearly 1000 "honor" killings are reported in Pakistan each year, murders by a family member for behavior deemed "shameful," such as a relationship outside of marriage. When Khalida Brohi lost a clo...
  • Rob Knight: How our microbes make us who we are - Duration: 17:29.

    • 1 week ago
    • 44,419 views
    Rob Knight is a pioneer in studying human microbes, the community of tiny single-cell organisms living inside our bodies that have a huge — and largely unexplored — role in our health. “The three p...
  • James A. White Sr.: The little problem I had renting a house - Duration: 14:21.

    • 1 week ago
    • 52,562 views
    Fifty-three years ago, James A. White Sr. joined the US Air Force. But as an African American man, he had to go to shocking lengths to find a place for his young family to live nearby. He tells thi...
  • Angelo Vermeulen: How to go to space, without having to go to space - Duration: 7:09.

    • 2 weeks ago
    • 46,562 views
    "We will start inhabiting outer space," says NASA crew commander Angelo Vermeulen. "It might take 50 years or it might take 500 years, but it’s going to happen." In this charming talk, the TED Seni...
  • Laura Boushnak: For these women, reading is a daring act - Duration: 5:10.

    • 2 weeks ago
    • 31,080 views
    In some parts of the world, half of the women lack basic reading and writing skills. The reasons vary, but in many cases, literacy isn't valued by fathers, husbands, even mothers. Photographer and ...
  • Nadine Burke Harris: How childhood trauma affects health across a lifetime - Duration: 16:03.

    • 2 weeks ago
    • 59,130 views
    Childhood trauma isn’t something you just get over as you grow up. Pediatrician Nadine Burke Harris explains that the repeated stress of abuse, neglect and parents struggling with mental health or ...
  • Guy Winch: The case for emotional hygiene - Duration: 17:29.

    • 2 weeks ago
    • 73,984 views
    We'll go to the doctor when we feel flu-ish or a nagging pain. So why don’t we see a health professional when we feel emotional pain: guilt, loss, loneliness? Too many of us deal with common psycho...
  • Hannah Fry: The mathematics of love - Duration: 17:01.

    • 2 weeks ago
    • 102,921 views
    Finding the right mate is no cakewalk — but is it even mathematically likely? In a charming talk, mathematician Hannah Fry shows patterns in how we look for love, and gives her top three tips (veri...
  • Kenneth Shinozuka: My simple invention, designed to keep my grandfather safe - Duration: 5:51.

    • 3 weeks ago
    • 61,894 views
    Sixty percent of people with dementia wander off, an issue that can prove hugely stressful for both patients and caregivers. In this charming talk, hear how teen inventor Kenneth Shinozuka came up ...
  • Ricardo Semler: Radical wisdom for a company, a school, a life - Duration: 21:47.

    • 3 weeks ago
    • 70,112 views
    What if your job didn’t control your life? Brazilian CEO Ricardo Semler practices a radical form of corporate democracy, rethinking everything from board meetings to how workers report their vacati...
  • Jaap de Roode: How butterflies self-medicate - Duration: 6:21.

    • 3 weeks ago
    • 31,227 views
    Just like us, the monarch butterfly sometimes gets sick thanks to a nasty parasite. But biologist Jaap de Roode noticed something interesting about the butterflies he was studying — infected female...
  • Brian Dettmer: Old books reborn as intricate art - Duration: 6:11.

    • 1 month ago
    • 53,588 views
    What do you do with an outdated encyclopedia in the information age? With X-Acto knives and an eye for a good remix, artist Brian Dettmer makes beautiful, unexpected sculptures that breathe new lif...
  • Tom Wujec: Got a wicked problem? First, tell me how you make toast - Duration: 9:06.

    • 1 month ago
    • 72,275 views
    Making toast doesn’t sound very complicated — until someone asks you to draw the process, step by step. Tom Wujec loves asking people and teams to draw how they make toast, because the process reve...
  • Ben Ambridge: 10 myths about psychology: Debunked - Duration: 15:00.

    • 1 month ago
    • 102,622 views
    How much of what you think about your brain is actually wrong? In this whistlestop tour of dis-proved science, Ben Ambridge walks through 10 popular ideas about psychology that have been proven wro...
  • Bruce Aylward: Humanity vs. Ebola. The winning strategies in a terrifying war - Duration: 19:15.

    • 1 month ago
    • 24,026 views
    “Ebola threatens everything that makes us human,” says Bruce Aylward of the World Health Organization. With calm measure, he walks us through how the Ebola epidemic exploded — and how international...
  • Rodney Mullen: Pop an ollie and innovate! - Duration: 18:17.

    • 1 month ago
    • 36,652 views
    The last thing Rodney Mullen, the godfather of street skating, wanted were competitive victories. In this exuberant talk he shares his love of the open skateboarding community and how the unique en...
  • Zeynep Tufekci: How the Internet has made social change easy to organize, hard to win - Duration: 16:17.

    • 1 month ago
    • 36,235 views
    Today the speed at which we spread information is so fast that a single email can launch a worldwide awareness campaign, as with the Occupy movement. Yet as techno-sociologist Zeynep Tufekci seeks ...
  • Bassam Tariq: The beauty and diversity of Muslim life - Duration: 4:43.

    • 1 month ago
    • 56,651 views
    Bassam Tariq is a blogger, a filmmaker, and a halal butcher — but one thread unites his work: His joy in the diversity, the humanness of our individual experiences. In this charming talk, he shares...
  • Khadija Gbla: My mother’s strange definition of empowerment - Duration: 18:44.

    • 1 month ago
    • 37,076 views
    Khadija Gbla grew up caught between two definitions of what it means to be an “empowered woman.” While her Sierra Leonean mother thought that circumsizing her — and thus stifling her sexual urges —...
  • Severine Autesserre: To solve mass violence, look to locals - Duration: 16:06.

    • 1 month ago
    • 35,040 views
    Severine Autesserre studies the Democratic Republic of Congo, which is in the middle of the deadliest conflict since World War II; it's been called "the largest ongoing humanitarian crisis in the w...
  • Miguel Nicolelis: Brain-to-brain communication has arrived. How we did it - Duration: 19:02.

    • 1 month ago
    • 71,651 views
    You may remember neuroscientist Miguel Nicolelis — he built the brain-controlled exoskeleton that allowed a paralyzed man to kick the first ball of the 2014 World Cup. What’s he working on now? Bui...
  • Morgana Bailey: The danger of hiding who you are - Duration: 10:27.

    • 1 month ago
    • 201,190 views
    Morgana Bailey has been hiding her true self for 16 years. In a brave talk, she utters four words that might not seem like a big deal to some, but to her have been paralyzing. Why speak up? Because...
  • Joe Madiath: Better toilets, better life - Duration: 12:12.

    • 1 month ago
    • 33,757 views
    In rural India, the lack of toilets creates a big, stinking problem. It leads to poor quality water, one of the leading causes of disease in India, and has a disproportionately negative effect on w...
  • Sarah Bergbreiter: Why I make robots the size of a grain of rice - Duration: 6:11.

    • 1 month ago
    • 77,250 views
    By studying the movement and bodies of insects such as ants, Sarah Bergbreiter and her team build incredibly robust, super teeny, mechanical versions of creepy crawlies … and then they add rockets....
  • Matthieu Ricard: How to let altruism be your guide - Duration: 16:12.

    • 1 month ago
    • 83,693 views
    What is altruism? Put simply, it's the wish that other people may be happy. And, says Matthieu Ricard, a happiness researcher and a Buddhist monk, altruism is also a great lens for making decisions...
  • Cristina Domenech: Poetry that frees the soul - Duration: 12:42.

    • 1 month ago
    • 50,153 views
    “It’s said that to be a poet, you have to go to hell and back.” Cristina Domenech teaches writing at an Argentinian prison, and she tells the moving story of helping incarcerated people express the...
  • Robert Muggah: How to protect fast-growing cities from failing - Duration: 14:53.

    • 1 month ago
    • 36,040 views
    Worldwide, violence is on the decline, but in the crowded cities of the global south — cities like Aleppo, Bamako and Caracas — violence is actually accelerating, fueled by the drug trade, mass une...
  • Robert Swan: Let's save the last pristine continent - Duration: 16:07.

    • 1 month ago
    • 37,225 views
    2041 will be a pivotal year for our planet. That year will mark the end of a 50-year agreement to keep Antarctica, the Earth’s last pristine continent, free of exploitation. Explorer Robert Swan — ...
  • Navi Radjou: Creative problem-solving in the face of extreme limits - Duration: 16:30.

    • 1 month ago
    • 52,993 views
    Navi Radjou has spent years studying "jugaad," also known as frugal innovation. Pioneered by entrepreneurs in emerging markets who figured out how to get spectacular value from limited resources, t...
  • Tasso Azevedo: Hopeful lessons from the battle to save rainforests - Duration: 15:21.

    • 1 month ago
    • 36,733 views
    "Save the rainforest” is an environmental slogan as old as time — but Tasso Azevedo catches us up on how the fight is actually going these days. Spurred by the jaw-dropping losses of the 1990s, new...
  • Fredy Peccerelli: A forensic anthropologist who brings closure for the “disappeared" - Duration: 8:45.

    • 1 month ago
    • 28,524 views
    In Guatemala’s 36-year conflict, 200,000 civilians were killed — and more than 40,000 were never identified. Pioneering forensic anthropologist Fredy Peccerelli and his team use DNA, archeology and...
  • Daniele Quercia: Happy maps - Duration: 7:25.

    • 2 months ago
    • 60,718 views
    Mapping apps help us find the fastest route to where we’re going. But what if we’d rather wander? Researcher Daniele Quercia demos “happy maps” that take into account not only the route you want to...
  • Aziz Abu Sarah: For more tolerance, we need more ... tourism? - Duration: 4:42.

    • 1 month ago
    • 39,641 views
    Aziz Abu Sarah is a Palestinian activist with an unusual approach to peace-keeping: Be a tourist. The TED Fellow shows how simple interactions with people in different cultures can erode decades of...
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