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 | Bridges should be beautiful | Ian Firth | 14:20 | 61 455 | |
 | What if we eliminated one of the world's oldest diseases? | Caroline Harper | 10:13 | 70 519 | |
 | How we can design timeless cities for our collective future | Vishaan Chakrabarti | 13:14 | 78 756 | |
 | The genius behind some of the world's most famous buildings | Renzo Piano | 15:40 | 135 304 | |
 | The nightmare videos of childrens' YouTube — and what's wrong with the internet today | James Bridle | 16:33 | 1 427 707 | |
 | Why you should love gross science | Anna Rothschild | 13:13 | 54 320 | |
 | How Netflix changed entertainment -- and where it's headed | Reed Hastings | 20:52 | 76 986 | |
 | How we can bring mental health support to refugees | Essam Daod | 5:26 | 36 834 | |
 | Technology that knows what you're feeling | Poppy Crum | 12:43 | 82 906 | |
 | The surprising science of alpha males | Frans de Waal | 15:55 | 349 488 | |
 | Four billion years of evolution in six minutes | Prosanta Chakrabarty | 5:42 | 182 708 | |
 | How I'm bringing queer pride to my rural village | Katlego Kolanyane-Kesupile | 5:50 | 38 364 | |
 | The incredible potential of flexible, soft robots | Giada Gerboni | 9:28 | 79 909 | |
 | How to get empowered, not overpowered, by AI | Max Tegmark | 17:16 | 56 422 | |
 | What we'll learn about the brain in the next century | Sam Rodriques | 13:32 | 111 528 | |
 | The journey through loss and grief | Jason B. Rosenthal | 14:90 | 45 477 | |
 | Why the secret to success is setting the right goals | John Doerr | 11:52 | 139 903 | |
 | The discoveries awaiting us in the ocean's twilight zone | Heidi M. Sosik | 10:20 | 63 934 | |
 | Inside the fight against Russia's fake news empire | Olga Yurkova | 5:17 | 66 847 | |
 | Let's turn the high seas into the world's largest nature reserve | Enric Sala | 13:60 | 49 160 | |
 | How technology can fight extremism and online harassment | Yasmin Green | 13:41 | 59 680 | |
 | What if we replaced politicians with randomly selected people? | Brett Hennig | 9:32 | 191 758 | |
 | The critical role librarians play in the opioid crisis | Chera Kowalski | 12:20 | 37 489 | |
 | Why theater is essential to democracy | Oskar Eustis | 13:11 | 33 837 | |
 | How we can turn the cold of outer space into a renewable resource | Aaswath Raman | 13:28 | 299 553 | |
 | How vultures can help solve crimes | Lauren Pharr | 10:47 | 50 096 | |
 | What gardening taught me about life | tobacco brown | 6:42 | 19 519 | |
 | How we'll become cyborgs and extend human potential | Hugh Herr | 15:14 | 60 251 | |
 | A teen scientist's invention to help wounds heal | Anushka Naiknaware | 6:59 | 52 761 | |
 | This simple test can help kids hear better | Susan Emmett | 5:25 | 42 155 | |
 | Comics belong in the classroom | Gene Luen Yang | 10:37 | 37 657 | |
 | How to start a conversation about suicide | Jeremy Forbes | 12:17 | 46 369 | |
 | How to turn a group of strangers into a team | Amy Edmondson | 13:80 | 45 190 | |
 | How I made friends with reality | Emily Levine | 15:43 | 72 400 | |
 | The shocking danger of mountaintop removal -- and why it must end | Michael Hendryx | 13:45 | 43 742 | |
 | What it's like to be the child of immigrants | Michael Rain | 8:20 | 24 877 | |
 | Where joy hides and how to find it | Ingrid Fetell Lee | 13:39 | 68 954 | |
 | "You Found Me" | Helen Gillet | 5:50 | 59 527 | |
 | Why fascism is so tempting -- and how your data could power it | Yuval Noah Harari | 18:23 | 103 873 | |
 | How Pakistani women are taking the internet back | Nighat Dad | 5:19 | 28 988 | |
 | The age-old sharing economies of Africa -- and why we should scale them | Robert Neuwirth | 9:15 | 23 322 | |
 | Scientists must be free to learn, to speak and to challenge | Kirsty Duncan | 13:56 | 36 722 | |
 | The doctors, nurses and aid workers rebuilding Syria | Rola Hallam | 7:80 | 28 677 | |
 | A healthy economy should be designed to thrive, not grow | Kate Raworth | 15:54 | 48 887 | |
 | The truth about unwanted arousal | Emily Nagoski | 15:17 | 193 041 | |
 | "Iyeza" / "Zabalaza" | Thandiswa Mazwai | 10:48 | 20 675 | |
 | What it's like to be a transgender dad | LB Hannahs | 13:45 | 74 509 | |
 | The best teams have this secret weapon | Adam Grant | 3:50 | 85 003 | |
 | A playful solution to the housing crisis | Sarah Murray | 10:42 | 41 509 | |
 | How Baltimore called a ceasefire | Erricka Bridgeford | 11:28 | 23 301 | |
 | What it takes to be racially literate | Priya Vulchi and Winona Guo | 12:23 | 58 764 | |
 | How to build (and rebuild) trust | Frances Frei | 15:60 | 104 494 | |
 | Why you don’t like the sound of your own voice | Rébecca Kleinberger | 12:43 | 381 631 | |
 | To design better tech, understand context | Tania Douglas | 8:35 | 31 634 | |
 | It's time for the law to protect victims of gender violence | Laura L. Dunn | 6:14 | 38 679 | |
 | How a male contraceptive pill could work | John Amory | 6:24 | 48 204 | |
 | Why tech needs the humanities | Eric Berridge | 11:13 | 33 189 | |
 | Is the world getting better or worse? A look at the numbers | Steven Pinker | 18:33 | 78 297 | |
 | How I turn negative online comments into positive offline conversations | Dylan Marron | 10:53 | 64 857 | |
 | "RainMakers" | Qudus Onikeku and The QTribe | 4:29 | 19 205 | |
 | What I've learned about parenting as a stay-at-home dad | Glen Henry | 10:47 | 34 606 | |
 | How work kept me going during my cancer treatment | Sarah Donnelly | 11:31 | 17 252 | |
 | A woman's fury holds lifetimes of wisdom | Tracee Ellis Ross | 10:36 | 44 474 | |
 | Visions of Africa's future, from African filmmakers | 11:46 | 19 654 | |
 | War and what comes after | Clemantine Wamariya | 12:44 | 27 071 | |
 | SpaceX's plan to fly you across the globe in 30 minutes | Gwynne Shotwell | 21:31 | 318 706 | |
 | A Parkland teacher's homework for us all | Diane Wolk-Rogers | 15:47 | 49 311 | |
 | Why it's worth listening to people you disagree with | Zachary R. Wood | 11:23 | 90 519 | |
 | The "dead zone" of the Gulf of Mexico | Nancy Rabalais | 12:30 | 33 473 | |
 | Why you should make useless things | Simone Giertz | 11:58 | 1 062 235 | |
 | The harm reduction model of drug addiction treatment | Mark Tyndall | 16:32 | 27 529 | |
 | A printable, flexible, organic solar cell | Hannah Bürckstümmer | 10:16 | 53 107 | |
 | What's missing in the global debate over refugees | Yasin Kakande | 4:28 | 37 379 | |
 | What if we ended the injustice of bail? | Robin Steinberg | 14:25 | 53 159 | |
 | How we need to remake the internet | Jaron Lanier | 14:55 | 64 575 | |
 | How the arts help homeless youth heal and build | Malika Whitley | 6:29 | 15 238 | |
 | How language shapes the way we think | Lera Boroditsky | 14:13 | 352 432 | |
 | How a team of chefs fed Puerto Rico after Hurricane Maria | José Andrés | 21:54 | 34 294 | |
 | The Standing Rock resistance and our fight for indigenous rights | Tara Houska | 11:40 | 34 367 | |
 | How I use the drum to tell my story | Kasiva Mutua | 12:39 | 38 032 | |
 | Should we create a solar shade to cool the earth? | Danny Hillis | 7:50 | 52 896 | |
 | To eliminate waste, we need to rediscover thrift | Andrew Dent | 10:35 | 45 973 | |
 | My $500 house in Detroit -- and the neighbors who helped me rebuild it | Drew Philp | 13:44 | 46 284 | |
 | Math can help uncover cancer's secrets | Irina Kareva | 7:40 | 40 114 | |
 | How we can teach computers to make sense of our emotions | Raphael Arar | 11:20 | 45 259 | |
 | Our fight for disability rights -- and why we're not done yet | Judith Heumann | 17:11 | 14 964 | |
 | Why I choose humanism over faith | Leo Igwe | 10:20 | 47 586 | |
 | The role of faith and belief in modern Africa | Ndidi Nwuneli | 13:13 | 24 616 | |
 | My descent into America’s neo-Nazi movement -- and how I got out | Christian Picciolini | 20:19 | 388 979 | |
 | Academic research is publicly funded -- why isn't it publicly available? | Erica Stone | 9:45 | 36 164 | |
 | How fungi recognize (and infect) plants | Mennat El Ghalid | 4:37 | 34 367 | |
 | How quantum physics can make encryption stronger | Vikram Sharma | 11:54 | 39 140 | |
 | What if we paid doctors to keep people healthy? | Matthias Müllenbeck | 10:41 | 50 969 | |
 | How to tame your wandering mind | Amishi Jha | 18:90 | 119 533 | |
 | The rhythm of Afrobeat | Sauti Sol | 12:26 | 30 034 | |
 | The human stories behind mass incarceration | Eve Abrams | 13:40 | 28 311 | |
 | Need a new idea? Start at the edge of what is known | Vittorio Loreto | 16:90 | 61 905 | |
 | For survivors of Ebola, the crisis isn't over | Soka Moses | 14:50 | 31 045 | |
 | A rite of passage for late life | Bob Stein | 5:54 | 33 691 | |
 | What if gentrification was about healing communities instead of displacing them? | Liz Ogbu | 15:20 | 38 467 | |
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