TED Talks
Sangu Delle: In praise of macro -- yes, macro -- finance in Africa
In this short, provocative talk, financier Sangu Delle questions whether microfinance — small loans to small entrepreneurs -- is the best way to drive growth in developing countries. "We seem to be fixated on this romanticized idea that...
TED Talks
TED: How green hydrogen could end the fossil fuel era | Vaitea Cowan
As climate change accelerates, finding clean alternatives to fossil fuels is more urgent than ever. Social entrepreneur Vaitea Cowan believes green hydrogen is the answer. Watch as she shares her team's work mass producing electrolyzers...
TED Talks
TED: How China is changing the future of shopping | Angela Wang
China is a huge laboratory of innovation, says retail expert Angela Wang, and in this lab, everything takes place on people's phones. Five hundred million Chinese consumers -- the equivalent of the combined populations of the uS, uK and...
TED Talks
TED: Everyday objects, tragic histories | Ziyah Gafić
Ziyah Gafić photographs everyday objects—watches, shoes, glasses. But these images are deceptively simple; the items in them have been exhumed from the mass graves of the Bosnian War. Gafić, a TED Fellow and Sarajevo native, is...
TED Talks
Rob Reid: How synthetic biology could wipe out humanity -- and how we can stop it
The world-changing promise of synthetic biology and gene editing has a dark side. In this far-seeing talk, author and entrepreneur Rob Reid reviews the risks of a world where more and more people have access to the tools and tech needed...
TED Talks
TED: How can groups make good decisions? | Mariano Sigman and Dan Ariely
We all know that when we make decisions in groups, they don't always go right -- and sometimes they go very wrong. How can groups make good decisions? With his colleague Dan Ariely, neuroscientist Mariano Sigman has been inquiring into...
TED Talks
Olympia Della Flora: Creative ways to get kids to thrive in school
To get young kids to thrive in school, we need to do more than teach them how to read and write -- we need to teach them how to manage their emotions, says educator Olympia Della Flora. In this practical talk, she shares creative tactics...
TED Talks
Jeanne Pinder: What if all US health care costs were transparent?
In the US, the very same blood test can cost $19 at one clinic and $522 at another clinic just blocks away -- and nobody knows the difference until they get a bill weeks later. Journalist Jeanne Pinder says it doesn't have to be this...
TED Talks
Joseph DeSimone: What if 3D printing was 100x faster?
What we think of as 3D printing, says Joseph DeSimone, is really just 2D printing over and over ... slowly. Onstage at TED2015, he unveils a bold new technique -- inspired, yes, by Terminator 2 -- that's 25 to 100 times faster, and...
TED Talks
TED: Fashion has a pollution problem -- can biology fix it? | Natsai Audrey Chieza
Natsai Audrey Chieza is a designer on a mission -- to reduce pollution in the fashion industry while creating amazing new things to wear. In her lab, she noticed that the bacteria Streptomyces coelicolor makes a striking red-purple...
TED Talks
Clay Shirky: Institutions vs. collaboration
In this prescient 2005 talk, Clay Shirky shows how closed groups and companies will give way to looser networks where small contributors have big roles and fluid cooperation replaces rigid planning.
TED Talks
Sarah Parcak: Archaeology from space
In this short talk, TED Fellow Sarah Parcak introduces the field of "space archaeology" -- using satellite images to search for clues to the lost sites of past civilizations.
TED Talks
TED: A 3-part plan to take on extreme heat waves | Eleni Myrivili
The deadliest severe weather phenomenon is something you might not realize: extreme heat. Eleni Myrivili, chief heat officer of the city of Athens, Greece, explains that extreme heat and heat waves are often overlooked because they're...
TED Talks
TED: The crucial intersection of climate and capital | Nili Gilbert
The financial sector often talks of decarbonizing investment portfolios as a way to fight climate change. But portfolios can be "cleaned" without having any real impact on the problem, says investment expert Nili Gilbert. Bringing...
TED Talks
Luis H. Zayas: The psychological impact of child separation at the US-Mexico border
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...
TED Talks
TED: How to alter the perception of mental health care in Russia | Olga Kitaina
During the Soviet Union era, therapy was often used as a tool of political oppression. Since then, Russia has seen major reforms in mental health care -- but stigmas and distrust for the practice still live on. Psychologist and TED...
TED Talks
TED: The deep sea's medicinal secrets | Sam Afoullouss
Under the sea, untold wonders await in the form of untapped medicinal potential. Chemist Sam Afoullouss dives into the science behind natural remedies, explaining why the ocean's great (and still largely unexplored) biodiversity is ideal...
TED Talks
TED: How the blockchain is changing money and business | Don Tapscott
What is the blockchain? If you don't know, you should; if you do, chances are you still need some clarification on how it actually works. Don Tapscott is here to help, demystifying this world-changing, trust-building technology which, he...
TED Talks
TED: Making sense of string theory | Brian Greene
Physicist Brian Greene explains superstring theory, the idea that minscule strands of energy vibrating in 11 dimensions create every particle and force in the universe.
TED Talks
Karissa Sanbonmatsu: The biology of gender, from DNA to the brain
How exactly does gender work? It's not just about our chromosomes, says biologist Karissa Sanbonmatsu. In a visionary talk, she shares new discoveries from epigenetics, the emerging study of how DNA activity can permanently change based...
TED Talks
Ryan Holladay: To hear this music you have to be there. Literally
In this lovely talk, TED Fellow Ryan Holladay shares his experiment with "location-aware music." This programming and musical feat involves hundreds of geotagged segments of sounds that only play when a listener is physically nearby,...
TED Talks
TED: Should you be able to patent a human gene? | Tania Simoncelli
A decade ago, uS law said human genes were patentable -- which meant patent holders had the right to stop anyone from sequencing, testing or even looking at a patented gene. Troubled by the way this law both harmed patients and created a...
TED Talks
TED: Is the pandemic actually over? It's complicated | Anthony Fauci
Be spreaders of facts and truths, says scientist and immunologist Dr. Anthony Fauci. Having advised seven US presidents on various disease outbreaks including COVID-19, he shares insights on the present and future of pandemics, backed up...
TED Talks
TED: How the US fails working parents -- and what they need to thrive | Reshma Saujani
The pandemic brought into sharp focus the crisis in caregiving in the United States, which woefully under provides support for parents. Activist and Girls Who Code founder Reshma Saujani has a proposal to address that -- something she...