TEDTalks

Excellent examples of public speaking
How to lead a conversation between people who disagree | Eve Pearlman
How to lead a conversation between people who disagree | Eve Pearlman
In a world deeply divided, how do we have hard conversations with nuance, curiosity, respect? Veteran reporter Eve Pearlman introduces "dialogue journalism": a project where journalists go to the hear...
An AI smartwatch that detects seizures | Rosalind Picard
An AI smartwatch that detects seizures | Rosalind Picard
Every year worldwide, more than 50,000 otherwise healthy people with epilepsy suddenly die -- a condition known as SUDEP. These deaths may be largely preventable, says AI researcher Rosalind Picard. L...
What refugees need to start new lives | Muhammed Idris
What refugees need to start new lives | Muhammed Idris
Every minute, 20 people are newly displaced by climate change, economic crisis and political instability, according to the UNHCR. How can we help them overcome the barriers to starting new lives? TED ...
Art that transforms cities into playgrounds of the imagination | Helen Marriage
Art that transforms cities into playgrounds of the imagination | Helen Marriage
Visual artist Helen Marriage stages astonishing, large-scale public art events that expand the boundaries of what's possible. In this visual tour of her work, she tells the story of three cities she t...
How does income affect childhood brain development? | Kimberly Noble
How does income affect childhood brain development? | Kimberly Noble
Neuroscientist and pediatrician Kimberly Noble is leading the Baby's First Years study: the first-ever randomized study of how family income changes children's cognitive, emotional and brain developme...
How centuries of sci-fi sparked spaceflight | Alex MacDonald
How centuries of sci-fi sparked spaceflight | Alex MacDonald
Long before we had rocket scientists, the idea of spaceflight traveled from mind to mind across generations. With great visuals, TED Fellow and NASA economist Alexander MacDonald shows how 300 years o...
"East Virginia" / "John Brown's Dream" | Nora Brown
In a mesmerizing set, musician Nora Brown breathes new life into two old-time banjo tunes: "East Virginia" and "John Brown's Dream." An evocative performance paired with a quick history of the banjo's...
Can we regenerate heart muscle with stem cells? | Chuck Murry
Can we regenerate heart muscle with stem cells? | Chuck Murry
The heart is one of the least regenerative organs in the human body -- a big factor in making heart failure the number one killer worldwide. What if we could help heart muscle regenerate after injury?...
A short history of trans people's long fight for equality | Samy Nour Younes
A short history of trans people's long fight for equality | Samy Nour Younes
Transgender activist and TED Resident Samy Nour Younes shares the remarkable, centuries-old history of the trans community, filled with courageous stories, inspiring triumphs -- and a fight for civil ...
To detect diseases earlier, let's speak bacteria's secret language | Fatima AlZahra'a Alatraktchi
To detect diseases earlier, let's speak bacteria's secret language | Fatima AlZahra'a Alatraktchi
Bacteria "talk" to each other, sending chemical information to coordinate attacks. What if we could listen to what they were saying? Nanophysicist Fatima AlZahra'a Alatraktchi invented a tool to spy o...
A new class of drug that could prevent depression and PTSD | Rebecca Brachman
A new class of drug that could prevent depression and PTSD | Rebecca Brachman
Current treatments for depression and PTSD only suppress symptoms, if they work at all. What if we could prevent these diseases from developing altogether? Neuroscientist and TED Fellow Rebecca Brachm...
What it's like to have Tourette's — and how music gives me back control | Esha Alwani
What it's like to have Tourette's — and how music gives me back control | Esha Alwani
Esha Alwani began writing songs when she was six years old, shortly after being diagnosed with Tourette syndrome. And she noticed something amazing: whenever she played music, her involuntary tics sud...
The beautiful future of solar power | Marjan van Aubel
The beautiful future of solar power | Marjan van Aubel
The sun delivers more energy to earth in one hour than all of humanity uses in an entire year. How can we make this power more accessible to everyone, everywhere? Solar designer Marjan van Aubel shows...
Creative ways to get kids to thrive in school | Olympia Della Flora
Creative ways to get kids to thrive in school | Olympia Della Flora
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 practi...
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How you can help save the bees, one hive at a time | Noah Wilson-Rich
How you can help save the bees, one hive at a time | Noah Wilson-Rich
Bees are dying off in record numbers, but ecologist Noah Wilson-Rich is interested in something else: Where are bees healthy and thriving? To find out, he recruited citizen scientists across the US to...
Why I turned Chicago's abandoned homes into art | Amanda Williams
Why I turned Chicago's abandoned homes into art | Amanda Williams
Amanda Williams shares her lifelong fascination with the complexity of color: from her experiences with race and redlining to her discovery of color theory to her work as a visual artist. Journey with...
The secret to scientific discoveries? Making mistakes | Phil Plait
The secret to scientific discoveries? Making mistakes | Phil Plait
Phil Plait was on a Hubble Space Telescope team of astronomers who thought they may have captured the first direct photo of an exoplanet ever taken. But did the evidence actually support that? Follow ...