A vision for the future of Sierra Leone | Julius Maada Bio
03 Jul 2019
Contributed by Lukas
When Julius Maada Bio first seized political power in Sierra Leone in 1996, he did so to improve the...
Space traffic is our next wicked environmental problem | Moriba Jah
02 Jul 2019
Contributed by Lukas
"Most of what we send into outer space never comes back," says astrodynamicist and TED Fellow Moriba...
3 lessons of revolutionary love in a time of rage | Valarie Kaur
01 Jul 2019
Contributed by Lukas
What's the antidote to rising nationalism, polarization and hate? In this inspiring, poetic talk, Va...
My wish: Protect our oceans | Sylvia Earle
29 Jun 2019
Contributed by Lukas
Legendary ocean researcher Sylvia Earle shares astonishing images of the ocean -- and shocking stats...
The next big thing is coming from the Bronx, again | Jon Gray
28 Jun 2019
Contributed by Lukas
"The hood is good," says Jon Gray of the Bronx, New York-based creative collective Ghetto Gastro. Wo...
You are not alone in your loneliness | Jonny Sun
27 Jun 2019
Contributed by Lukas
Being open and vulnerable with your loneliness, sadness and fear can help you find comfort and feel ...
How to ask for help -- and get a "yes" | Heidi Grant
26 Jun 2019
Contributed by Lukas
Asking for help is tough. But to get through life, you have to do it all the time. So how do you get...
Why we need to fight misinformation about vaccines | Ethan Lindenberger
25 Jun 2019
Contributed by Lukas
Ethan Lindenberger never got vaccinated as a kid. So one day, he went on Reddit and asked a simple q...
Why kids need to learn about gender and sexuality | Lindsay Amer
24 Jun 2019
Contributed by Lukas
Lindsay Amer is the creator of "Queer Kid Stuff," an educational video series that breaks down compl...
What will future jobs look like? | Andrew McAfee
22 Jun 2019
Contributed by Lukas
Economist Andrew McAfee suggests that, yes, probably, droids will take our jobs -- or at least the k...
The power of introverts | Susan Cain
20 Jun 2019
Contributed by Lukas
In a culture where being social and outgoing are prized above all else, it can be difficult, even sh...
How synthetic biology could wipe out humanity -- and how we can stop it | Rob Reid
18 Jun 2019
Contributed by Lukas
The world-changing promise of synthetic biology and gene editing has a dark side. In this far-seeing...
5 challenges we could solve by designing new proteins | David Baker
17 Jun 2019
Contributed by Lukas
Proteins are remarkable molecular machines: they digest your food, fire your neurons, power your imm...
How AI can save our humanity | Kai-Fu Lee
13 Jun 2019
Contributed by Lukas
AI is massively transforming our world, but there's one thing it cannot do: love. In a visionary tal...
Why we get mad -- and why it's healthy | Ryan Martin
12 Jun 2019
Contributed by Lukas
Anger researcher Ryan Martin draws from a career studying what makes people mad to explain some of t...
3 steps to turn everyday get-togethers into transformative gatherings | Priya Parker
11 Jun 2019
Contributed by Lukas
Why do some gatherings take off and others don't? Author Priya Parker shares three easy steps to tur...
The mysterious microbes living deep inside the earth -- and how they could help humanity | Karen Lloyd
10 Jun 2019
Contributed by Lukas
The ground beneath your feet is home to a massive, mysterious world of microbes -- some of which hav...
An ingenious proposal for scaling up marine protection | Mark Tercek
08 Jun 2019
Contributed by Lukas
Island and coastal nations need to protect their waters in order for our oceans to stay healthy. But...
The most detailed map of galaxies, black holes and stars ever made | Juna Kollmeier
07 Jun 2019
Contributed by Lukas
Humans have been studying the stars for thousands of years, but astrophysicist Juna Kollmeier is on ...
The healing power of reading | Michelle Kuo
06 Jun 2019
Contributed by Lukas
Reading and writing can be acts of courage that bring us closer to others and ourselves. Author Mich...
The lies our culture tells us about what matters -- and a better way to live | David Brooks
05 Jun 2019
Contributed by Lukas
Our society is in the midst of a social crisis, says op-ed columnist and author David Brooks: we're ...
"Everything happens for a reason" -- and other lies I've loved | Kate Bowler
04 Jun 2019
Contributed by Lukas
In life's toughest moments, how do you go on living? Kate Bowler has been exploring this question ev...
The art of asking | Amanda Palmer
03 Jun 2019
Contributed by Lukas
Don't make people pay for music, says Amanda Palmer: Let them. In a passionate talk that begins in h...
The story we tell about millennials -- and who we leave out | Reniqua Allen
31 May 2019
Contributed by Lukas
Millennials are now the largest, most diverse adult population in the US -- but far too often, they'...
What it takes to launch a telescope | Erika Hamden
30 May 2019
Contributed by Lukas
TED Fellow and astronomer Erika Hamden leads the team building FIREBall, a telescope that hangs from...
This bacteria eats plastic | Morgan Vague
28 May 2019
Contributed by Lukas
Humans produce 300 million tons of new plastic each year -- yet, despite our best efforts, less than...
My descent into America's neo-Nazi movement -- and how I got out | Christian Picciolini
27 May 2019
Contributed by Lukas
At 14, Christian Picciolini went from naïve teenager to white supremacist -- and soon, the leader o...
What prosecutors and incarcerated people can learn from each other | Jarrell Daniels
24 May 2019
Contributed by Lukas
A few weeks before his release from prison, Jarrell Daniels took a class where incarcerated men lear...
My identity is a superpower -- not an obstacle | America Ferrera
23 May 2019
Contributed by Lukas
Hollywood needs to stop resisting what the world actually looks like, says actor, director and activ...
The next global agricultural revolution | Bruce Friedrich
21 May 2019
Contributed by Lukas
Meat production is destroying the planet and jeopardizing our health -- but people aren't going to e...
Mosquitos, malaria and education | Bill Gates
21 May 2019
Contributed by Lukas
Bill Gates hopes to solve some of the world's biggest problems using a new kind of philanthropy. In ...
Roger McNamee takes on big tech
16 May 2019
Contributed by Lukas
Recorded live at TED2019 for the TED Interview podcast: Roger McNamee -- early investor in Facebook ...
What you should know about vaping and e-cigarettes | Suchitra Krishnan-Sarin
15 May 2019
Contributed by Lukas
E-cigarettes and vapes have exploded in popularity in the last decade, especially among youth and yo...
If I should have a daughter ... | Sarah Kay
14 May 2019
Contributed by Lukas
"If I should have a daughter, instead of Mom, she's gonna call me Point B ... " began spoken word po...
The surprisingly charming science of your gut | Giulia Enders
13 May 2019
Contributed by Lukas
Ever wonder how we poop? Learn about the gut -- the system where digestion (and a whole lot more) ha...
The case for having kids | Wajahat Ali
09 May 2019
Contributed by Lukas
The global fertility rate, or the number of children per woman, has halved over the last 50 years. W...
The crisis of leadership -- and a new way forward | Halla Tómasdóttir and Bryn Freedman
08 May 2019
Contributed by Lukas
What should modern leadership look like? Entrepreneur and former Icelandic presidential candidate Ha...
How to revive your belief in democracy | Eric Liu
07 May 2019
Contributed by Lukas
Civic evangelist Eric Liu shares a powerful way to rekindle the spirit of citizenship and the belief...
How to transform apocalypse fatigue into action on global warming | Per Espen Stoknes
03 May 2019
Contributed by Lukas
The biggest obstacle to dealing with climate disruptions lies between your ears, says psychologist a...
How supercharged plants could slow climate change | Joanne Chory
02 May 2019
Contributed by Lukas
Plants are amazing machines -- for millions of years, they've taken carbon dioxide out of the air an...
Why we ignore obvious problems -- and how to act on them | Michele Wucker
01 May 2019
Contributed by Lukas
Why do we often neglect big problems, like the financial crisis and climate change, until it's too l...
How to recover from activism burnout | Yana Buhrer Tavanier
30 Apr 2019
Contributed by Lukas
When you're feeling burned out as an activist, what's the best way to bounce back? TED Senior Fellow...
How I broke comedy | Hannah Gadsby
29 Apr 2019
Contributed by Lukas
Hannah Gadsby's groundbreaking special "Nanette" broke comedy. In a talk about truth and purpose, sh...
How generational stereotypes hold us back at work | Leah Georges
24 Apr 2019
Contributed by Lukas
The Silent Generation, baby boomers, Generation X, millennials, Gen Z -- we're all in the workforce ...
Can we cure genetic diseases by rewriting DNA? | David R. Liu
23 Apr 2019
Contributed by Lukas
In a story of scientific discovery, chemical biologist David R. Liu shares a breakthrough: his lab's...
A personal air-quality tracker that lets you know what you're breathing | Romain Lacombe
22 Apr 2019
Contributed by Lukas
How often do you think about the air you're breathing? Probably not enough, says entrepreneur and TE...
How hip-hop helps us understand science | Danielle N. Lee
19 Apr 2019
Contributed by Lukas
In the early 1990s, a scandal rocked evolutionary biology: scientists discovered that songbirds -- o...
How Twitter needs to change | Jack Dorsey
17 Apr 2019
Contributed by Lukas
Can Twitter be saved? In a wide-ranging conversation with TED's Chris Anderson and Whitney Penningto...
Facebook's role in Brexit -- and the threat to democracy | Carole Cadwalladr
16 Apr 2019
Contributed by Lukas
In an unmissable talk, journalist Carole Cadwalladr digs into one of the most perplexing events in r...
Empower a girl, transform a community | Kakenya Ntaiya
15 Apr 2019
Contributed by Lukas
Kakenya Ntaiya turned her dream of getting an education into a movement to empower vulnerable girls ...
3 lessons on starting a movement from a self-defense trailblazer | Rana Abdelhamid
12 Apr 2019
Contributed by Lukas
At 16,Rana Abdelhamid started teaching self-defense to women and girls in her neighborhood. Almost 1...
How risk-taking changes a teenager's brain | Kashfia Rahman
11 Apr 2019
Contributed by Lukas
Why do teenagers sometimes make outrageous, risky choices? Do they suddenly become reckless, or are ...
Wearable tech that helps you navigate by touch | Keith Kirkland
10 Apr 2019
Contributed by Lukas
Keith Kirkland is developing wearable tech that communicates information using only the sense of tou...
How to lead a conversation between people who disagree | Eve Pearlman
08 Apr 2019
Contributed by Lukas
In a world deeply divided, how do we have hard conversations with nuance, curiosity, respect? Vetera...
An AI smartwatch that detects seizures and saves lives | Rosalind Picard
05 Apr 2019
Contributed by Lukas
Every year worldwide, more than 50,000 otherwise healthy people with epilepsy suddenly die. These de...
What refugees need to resettle | Muhammed Idris
04 Apr 2019
Contributed by Lukas
Every minute, 20 people are newly displaced by climate change, economic crisis and political instabi...
A Parkland teacher's homework for us all | Diane Wolk-Rogers
03 Apr 2019
Contributed by Lukas
Diane Wolk-Rogers teaches history at Marjory Stoneman Douglas High School in Parkland, Florida, site...
How does income affect childhood brain development? | Kimberly Noble
02 Apr 2019
Contributed by Lukas
Neuroscientist and pediatrician Kimberly Noble is leading the Baby's First Years study: the first-ev...
How sci-fi inspired us to go to the Moon | Alexander MacDonald
01 Apr 2019
Contributed by Lukas
Long before we had rocket scientists, the idea of spaceflight traveled from mind to mind across gene...
Can we regenerate heart muscle with stem cells? | Chuck Murry
29 Mar 2019
Contributed by Lukas
The heart is one of the least regenerative organs in the human body -- a big factor in making heart ...
A short history of trans people's long fight for equality | Samy Nour Younes
28 Mar 2019
Contributed by Lukas
Transgender activist and TED Resident Samy Nour Younes shares the remarkable, centuries-old history ...
To detect diseases earlier, let's speak bacteria's secret language | Fatima AlZahra'a Alatraktchi
27 Mar 2019
Contributed by Lukas
Bacteria "talk" to each other, sending chemical information to coordinate attacks. What if we could ...
A new class of drug that could prevent depression and PTSD | Rebecca Brachman
26 Mar 2019
Contributed by Lukas
Current treatments for depression and PTSD only suppress symptoms, if they work at all. What if we c...
The surprising habits of original thinkers | Adam Grant
25 Mar 2019
Contributed by Lukas
How do creative people come up with great ideas? Organizational psychologist Adam Grant studies "ori...
What's killing bees -- and how to save them | Noah Wilson-Rich
20 Mar 2019
Contributed by Lukas
Bees are dying off in record numbers, but ecologist Noah Wilson-Rich is interested in something else...
3 lessons on success from an Arab businesswoman | Leila Hoteit
19 Mar 2019
Contributed by Lukas
Professional Arab women juggle more responsibilities than their male counterparts, and they face mor...
The secret to scientific discoveries? Making mistakes | Phil Plait
18 Mar 2019
Contributed by Lukas
Phil Plait was on the Hubble Space Telescope team that discovered the first exoplanet ever detected ...
How to keep human biases out of AI | Kriti Sharma
15 Mar 2019
Contributed by Lukas
AI algorithms make important decisions about you all the time -- like how much you should pay for ca...
Our dangerous quest to perfect ourselves | Thomas Curran
14 Mar 2019
Contributed by Lukas
Social psychologist Thomas Curran explores how the pressure to be perfect -- in our social media fee...
Where did the Moon come from? A new theory | Sarah T. Stewart
13 Mar 2019
Contributed by Lukas
The Earth and Moon are like identical twins, made up of the exact same materials -- which is really ...
The creative power of misfits | WorkLife with Adam Grant
12 Mar 2019
Contributed by Lukas
Harness the power of frustrated people to shake up the status quo -- just like Pixar did. This episo...
The "dementia village" that's redefining elder care | Yvonne van Amerongen
11 Mar 2019
Contributed by Lukas
How would you prefer to spend the last years of your life: in a sterile, hospital-like institution o...
We should all be feminists | Chimamanda Ngozi Adichie
08 Mar 2019
Contributed by Lukas
We teach girls that they can have ambition, but not too much ... to be successful, but not too succe...
The most powerful woman you've never heard of | T. Morgan Dixon and Vanessa Garrison
07 Mar 2019
Contributed by Lukas
Everyone's heard of Martin Luther King Jr. But do you know the woman Dr. King called "the architect ...
How we can store digital data in DNA | Dina Zielinski
06 Mar 2019
Contributed by Lukas
From floppy disks to thumb drives, every method of storing data eventually becomes obsolete. What if...
A bold idea to replace politicians | César Hidalgo
05 Mar 2019
Contributed by Lukas
CésarHidalgo has a radical suggestion for fixing our broken political system: automate it! In this ...
How I'm making bricks out of ashes and rubble in Gaza | Majd Mashharawi
04 Mar 2019
Contributed by Lukas
Majd Mashharawi was walking through her war-torn neighborhood in Gaza when an idea flashed in her mi...
How a new species of ancestors is changing our theory of human evolution | Juliet Brophy
01 Mar 2019
Contributed by Lukas
In 2013, a treasure trove of unusual fossils were uncovered in a cave in South Africa, and researche...
Is your country at risk of becoming a dictatorship? Here's how to know | Farida Nabourema
28 Feb 2019
Contributed by Lukas
Farida Nabourema has dedicated her life to fighting the military regime in Togo, Africa's oldest aut...
The self-assembling computer chips of the future | Karl Skjonnemand
27 Feb 2019
Contributed by Lukas
The transistors that power the phone in your pocket are unimaginably small: you can fit more than 3,...
A juror's reflections on the death penalty | Lindy Lou Isonhood
26 Feb 2019
Contributed by Lukas
Lindy Lou Isonhood grew up in a town where the death penalty was a fact of life, part of the unspoke...
An architect's subversive reimagining of the US-Mexico border wall | Ronald Rael
25 Feb 2019
Contributed by Lukas
What is a border? It's a line on a map, a place where cultures mix and merge in beautiful, sometimes...
How education helped me rewrite my life | Ashweetha Shetty
21 Feb 2019
Contributed by Lukas
There's no greater freedom than finding your purpose, says education advocate Ashweetha Shetty. Born...
How to teach kids to talk about taboo topics | Liz Kleinrock
20 Feb 2019
Contributed by Lukas
When one of Liz Kleinrock's fourth-grade students said the unthinkable at the start of a class on ra...
What if all US health care costs were transparent? | Jeanne Pinder
20 Feb 2019
Contributed by Lukas
In the US, the very same blood test can cost $19 at one clinic and $522 at another clinic just block...
What is the meaning of work? | Roy Bahat and Bryn Freedman
19 Feb 2019
Contributed by Lukas
Roy Bahat was worried. His company invests in new technology like AI to make businesses more efficie...
Lessons from past presidents | Doris Kearns Goodwin
18 Feb 2019
Contributed by Lukas
Historian Doris Kearns Goodwin talks about what we can learn from American presidents, including Abr...
The age of genetic wonder | Juan Enriquez
15 Feb 2019
Contributed by Lukas
Gene-editing tools like CRISPR enable us to program life at its most fundamental level. But this rai...
3 ways to practice civility | Steven Petrow
13 Feb 2019
Contributed by Lukas
What does it mean to be civil? JournalistStevenPetrow looks for answers in the original meaning of t...
How doctors can help low-income patients (and still make a profit) | P.J. Parmar
12 Feb 2019
Contributed by Lukas
Modern American health care is defined by its high costs, high overhead and inaccessibility -- espec...
Why noise is bad for your health -- and what you can do about it | Mathias Basner
12 Feb 2019
Contributed by Lukas
Silence is a rare commodity these days. There's traffic, construction, air-conditioning, your neighb...
How women in Pakistan are creating political change | Shad Begum
11 Feb 2019
Contributed by Lukas
Activist Shad Begum has spent her life empowering women to live up to their full potential. In a per...
America's forgotten working class | J.D. Vance
08 Feb 2019
Contributed by Lukas
J.D. Vance grew up in a small, poor city in the Rust Belt of southern Ohio, where he had a front-row...
What your breath could reveal about your health | Julian Burschka
07 Feb 2019
Contributed by Lukas
There's no better way to stop a disease than to catch and treat it early, before symptoms occur. Tha...
How we can help the "forgotten middle" reach their full potential | Danielle R. Moss
06 Feb 2019
Contributed by Lukas
You know the "forgotten middle": they're the students, coworkers and regular people who are often ov...
The uncomplicated truth about women's sexuality | Sarah Barmak
05 Feb 2019
Contributed by Lukas
Is women's sexuality actually more complicated than men's? The answer is no, says author Sarah Barma...
How do we learn to work with intelligent machines? | Matt Beane
04 Feb 2019
Contributed by Lukas
The path to skill around the globe has been the same for thousands of years: train under an expert a...
How we can start to heal the pain of racial division | Ruby Sales
01 Feb 2019
Contributed by Lukas
"Where does it hurt?" It's a question that activist and educator Ruby Sales has traveled the US aski...
An astronaut's story of curiosity, perspective and change | Leland Melvin
31 Jan 2019
Contributed by Lukas
What job is best for a young man who's been a tennis ace, a cross-country traveler, a chemistry nerd...
The way we think about biological sex is wrong | Emily Quinn
31 Jan 2019
Contributed by Lukas
Did you know that almost 150 million people worldwide are born intersex -- with biology that doesn't...