TED Talks
Stefan Larsson: What doctors can learn from each other
Different hospitals produce different results on different procedures. Only, patients don’t know that data, making choosing a surgeon a high-stakes guessing game. Stefan Larsson looks at what happens when doctors measure and share their...
TED Talks
Christopher Soghoian: Government surveillance — this is just the beginning
Privacy researcher Christopher Soghoian sees the landscape of government surveillance shifting beneath our feet, as an industry grows to support monitoring programs. Through private companies, he says, governments are buying technology...
TED Talks
TED: The real harm of the global arms trade | Samantha Nutt
In some parts of the world, it's easier to get an automatic rifle than a glass of clean drinking water. Is this just the way it is? Samantha Nutt, doctor and founder of the international humanitarian organization War Child, explores the...
TED Talks
TED: The global learning crisis -- and what to do about it | Amel Karboul
The most important infrastructure we have is educated minds, says former Tunisian government minister Amel Karboul. Yet too often large investments go to more visible initiatives such as bridges and roads, when it's the minds of our...
MinutePhysics
Aliens - Are We Looking in the Wrong Place?
Aliens - Are We Looking in the Wrong Place?
TED Talks
Rainer Strack: The workforce crisis of 2030 -- and how to start solving it now
It sounds counterintuitive, but by 2030, many of the world's largest economies will have more jobs than adult citizens to do those jobs. In this data-filled -- and quite charming -- talk, human resources expert Rainer Strack suggests...
TED Talks
TED: The dangerous evolution of HIV | Edsel Salvaña
Think we're winning the battle against HIV? Maybe not, as the next wave of drug-resistant viruses arrives. In an eye-opening talk, TED Fellow Edsel Salvana describes the aggressive HIV subtype AE that's currently plaguing his home of the...
TED Talks
TED: How I started a sanitary napkin revolution! | Arunachalam Muruganantham
When he realized his wife had to choose between buying family meals and buying her monthly "supplies," Arunachalam Muruganantham vowed to help her solve the problem of the sanitary pad. His research got very very personal -- and led him...
TED Talks
Erica Frenkel: The universal anesthesia machine
What if you're in surgery and the power goes out? No lights, no oxygen -- and your anesthesia stops flowing. It happens constantly in hospitals throughout the world, turning routine procedures into tragedies. Erica Frenkel demos one...
MinuteEarth
Do You Need To Be Rich To Be Healthy? (ft. Bill Gates)
No matter how wealthy a country is, there's a lot it can do to improve the health of its citizens.
TED Talks
Charles Robertson: Africa's next boom
The past decade has seen slow and steady economic growth across the continent of Africa. But economist Charles Robertson has a bold thesis: Africa's about to boom. He talks through a few of the indicators -- from rising education levels...
Crash Course
Theories of Global Stratification: Crash Course Sociology
Today we’ll discuss two theories of global stratification. First, we’ll go over modernization theory and Walt Rostow’s Four Stages of Modernization. Next, we’ll explain dependency theory, the legacy of colonialism, and Immanuel...
TED Talks
Seth Berkley: The troubling reason why vaccines are made too late ... if they're made at all
It seems like we wait for a disastrous disease outbreak before we get serious about making a vaccine for it. Seth Berkley lays out the market realities and unbalanced risks behind why we aren't making vaccines for the world's biggest...
TED Talks
TED: The unexpected challenges of a country's first election | Philippa Neave
How do you teach an entire country how to vote when no one has done it before? It's a huge challenge facing fledgling democracies around the world -- and one of the biggest problems turns out to be a lack of shared language. After all,...
TED Talks
TED: The risky politics of progress | Jonathan Tepperman
Global problems such as terrorism, inequality and political dysfunction aren't easy to solve, but that doesn't mean we should stop trying. In fact, suggests journalist Jonathan Tepperman, we might even want to think riskier. He traveled...
TED Talks
TED: Virtual Choir Live | Eric Whitacre
Composer and conductor Eric Whitacre has inspired millions by bringing together "virtual choirs," singers from many countries spliced together on video. Now, for the first time ever, he creates the experience in real time, as 32 singers...
TED Talks
Michele Wucker: Why we ignore obvious problems -- and how to act on them
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...
TED Talks
Melissa Fleming: Let's help refugees thrive, not just survive
Today's refugee crisis is the biggest since World War II, and it's growing. When this talk was given, 50 million people had been forcefully displaced from their homes by conflict and war; now the number is 65.3 million. There were 3...
TED Talks
TED: A precise, three-word address for every place on earth | Chris Sheldrick
With what3words, Chris Sheldrick and his team have divided the entire planet into three-meter squares and assigned each a unique, three-word identifier, like famous.splice.writers or blocks.evenly.breed, giving a precise address to the...
SciShow
Why Some Countries Are Delaying COVID Booster Shots
Some countries are planning to wait up to 12 weeks to administer second doses of COVID-19 vaccines. Will this slow the virus?
TED Talks
Vikram Patel: Mental health for all by involving all
Nearly 450 million people are affected by mental illness worldwide. In wealthy nations, just half receive appropriate care, but in developing countries, close to 90 percent go untreated because psychiatrists are in such short supply....
TED Talks
Nicholas Negroponte: One Laptop per Child, two years on
Nicholas Negroponte talks about how One Laptop per Child is doing, two years in. Speaking at the EG conference while the first XO laptops roll off the production line, he recaps the controversies and recommits to the goals of this...
TED Talks
Pankaj Ghemawat: Actually, the world isn't flat
It may seem that we're living in a borderless world where ideas, goods and people flow freely from nation to nation. We're not even close, says Pankaj Ghemawat. With great data (and an eye-opening survey), he argues that there's a delta...
Curated Video
USA vs USSR Fight! The Cold War: Crash Course World History
In which John Green teaches you about the Cold War, which was occasionally hot, but on average, it was just cool. In the sense of its temperature. It was by no means cool, man. After World War II, there were basically two big...