Like all of us, economist Tyler Cowen loves a good story. But in this intriguing talk, he asks us to step away from thinking of our lives -- and our messy, complicated irrational world -- in terms of a simple narrative.
Myriam Sidibe is a warrior in the fight against childhood disease. Her weapon of choice? A bar of soap. For cost-effective prevention against sickness, it’s hard to beat soapy hand-washing, which cuts down risk of pneumonia, diarrhea, cholera and worse. Sidibe, a public-health expert, makes a smart case for public-private partnerships to promote...
Fumes from indoor cooking fires kill more than 2 million children a year in the developing world. MIT engineer Amy Smith details an exciting but simple solution: a tool for turning farm waste into clean-burning charcoal.
Simple solutions are often best, even when dealing with something as complicated as Parkinson's. In this inspiring talk, Mileha Soneji shares accessible designs that make the everyday tasks of those living with Parkinson's a bit easier. "Technology is not always it," she says. "What we need are human-centered solutions."
Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measurement of the speed of light in 1849.
There are nearly a million known insect species in the world, but most have one of just five common types of mouthparts. Why is this information useful to scientists? Anika Hazra explains how the features of an insect's mouthparts can help identify which order it belongs to, while also providing clues about how it evolved and what it feeds on.
In a talk that's part history lesson, part love letter to graphics, information designer Tommy McCall traces the centuries-long evolution of charts and diagrams -- and shows how complex data can be sculpted into beautiful shapes. "Graphics that help us think faster, or see a book's worth of information on a single page, are the key to unlocking ...
Why does a failure seem to stick in our minds so much longer than a success? According to social psychologist Alison Ledgerwood, our perception of the world tends to lean negative, and reframing how we communicate could be the key to unlocking a more positive outlook. In this sharp talk, Ledgerwood shares a simple trick for kicking negative thin...
Children who live in rural areas can have a hard time getting to the doctor -- much less to an audiologist's clinic for expensive, complex tests to check their hearing. The result for too many kids is hearing loss caused by ear infections and other curable or preventable problems. That's why ear surgeon and TED Fellow Susan Emmett is working wit...
The world is more connected than ever, but some communities are still cut off from vital resources like electricity and health care. In this solution-oriented talk, activist Johanna Figueira discusses her work with Code for Venezuela -- a platform that gathers technologists to address Venezuela's needs for information and medical supplies -- and...
We'd all like to believe we're self-aware, but in reality, the facts point to a more sobering truth. Organizational psychologist Tasha Eurich has spent the last 4 years researching what it truly means to be self-aware, and in the process, has made a surprising discovery about human perception. In this illuminating talk, Eurich dissects common mi...
Can we break bad habits by being more curious about them? Psychiatrist Judson Brewer studies the relationship between mindfulness and addiction -- from smoking to overeating to all those other things we do even though we know they're bad for us. Learn more about the mechanism of habit development and discover a simple but profound tactic that mi...
There's a farming crisis no one is talking about: The world is running out of phosphorus, an essential element that's a key component of DNA and the basis of cellular communication. As biologist Mohamed Hijri shows, all roads of this crisis lead back to how we farm -- with chemical fertilizers chock-full of the element, which plants are not effi...
60% 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 with a novel solution to help his night-wandering grandfather and the aunt who looks after him ... and how he hopes to help others with Alzheimer's.
Saving money is like working out or eating right -- it's easier said than done. Behavioral scientist Wendy De La Rosa streamlines the process with two quick tips that can help you achieve your goals.
Jimmy Lin is developing technologies to catch cancer months to years before current methods. He shares a breakthrough technique that looks for small signals of cancer's presence via a simple blood test, detecting the recurrence of some forms of the disease 100 days earlier than traditional methods. It could be a ray of hope in a fight where earl...
TED Fellow Zubaida Bai works with medical professionals, midwives and mothers to bring dignity and low-cost interventions to women's health care. In this quick, inspiring talk, she presents her clean birth kit in a purse, which contains everything a new mother needs for a hygienic birth and a healthy delivery -- no matter where in the world (or ...
Why is algebra so hard? Math teacher Emmanuel Schanzer believes the problem with math lies in what we tell students math is. Learn how Schanzer's innovative online math curriculum teaches students to solve problems through design in this upbeat talk.
These speakers — all under 21 when they gave their talks — have big ideas for our health. Meet young people who are taking on cancer, asthma, injuries, even Alzheimer’s with a bold new approach.
Billions of years ago, simple organic compounds assembled into more complex coalitions that could grow and reproduce. At the time, Earth had widespread volcanic activity and a hostile atmosphere that made it almost devoid of a suitable environment for living things. So where did life begin? Luka Wright searches for the cradle of life that gave r...