21:10 How civilization could destroy itself — and 4 ways we could prevent it | Nick Bostrom TED 54,012 1,192 122 January 17, 2020
10:41 How the gut microbes you’re born with affect your lifelong health | Henna-Maria Uusitupa TED 52,965 1,673 39 January 14, 2020
13:29 The problem of light pollution — and 5 ridiculously easy ways to fix it | Kelsey Johnson TED 44,523 1,656 149 January 6, 2020
12:43 A video game that helps us understand loneliness | Cornelia Geppert TED 49,960 2,545 104 January 6, 2020
13:37 The incredible chemistry powering your smartphone | Cathy Mulzer TED 57,375 1,474 123 December 23, 2019
13:53 The search for our solar system’s ninth planet | Mike Brown TED 114,948 3,883 95 December 21, 2019
17:27 James Lyne: Everyday cybercrime — and what you can do about it TED 324,433 4,966 94 December 2, 2019
14:48 The next software revolution: programming biological cells | Sara-Jane Dunn TED 46,647 1,764 76 November 26, 2019
15:38 The price of a “clean” internet | Hans Block and Moritz Riesewieck TED 35,816 1,376 113 November 22, 2019
13:01 How to bring affordable, sustainable electricity to Africa | Rose M. Mutiso TED 4,205 386 45 November 19, 2019
14:49 How we experience awe — and why it matters | Beau Lotto and Cirque du Soleil TED 37,366 1,382 48 November 19, 2019
10:30 The danger of AI is weirder than you think | Janelle Shane TED 44,365 2,268 148 November 13, 2019
08:30 Fashion that celebrates all body types — boldly and unapologetically | Becca McCharen-Tran TED 31,998 828 985 November 13, 2019
13:51 How we can eliminate child sexual abuse material from the internet | Julie Cordua TED 46,285 2,050 97 November 12, 2019
15:07 An app that helps incarcerated people stay connected to their families | Marcus Bullock TED 11,258 526 65 November 9, 2019
13:20 A circular economy for salt that keeps rivers clean | Tina Arrowood TED 16,458 476 19 November 7, 2019
10:54 How nanoparticles could change the way we treat cancer | Joy Wolfram TED 16,780 775 30 November 6, 2019
17:06 Revelations from a lifetime of dance | Judith Jamison and the Alvin Ailey American Dance Theater TED 23,334 553 52 November 5, 2019
15:11 After billions of years of monotony, the universe is waking up | David Deutsch TED 31,020 1,144 111 November 5, 2019
09:31 This ancient rock is changing our theory on the origin of life | Tara Djokic TED 11,539 1,108 114 October 31, 2019
13:44 What happens in your brain when you taste food | Camilla Arndal Andersen TED 44,234 1,690 43 October 31, 2019
09:58 How couples can sustain a strong sexual connection for a lifetime | Emily Nagoski TED 46,514 2,444 170 October 17, 2019
13:17 How deepfakes undermine truth and threaten democracy | Danielle Citron TED 34,588 1,318 242 October 7, 2019