Activity Overview
Episode publication activity over the past year
How to take a picture of a black hole | Katie Bouman
24 Oct 2017
Contributed by Lukas
At the heart of the Milky Way, there's a supermassive black hole that feeds off a spinning disk of h...
How racism makes us sick | David R. Williams
24 Oct 2017
Contributed by Lukas
Why does race matter so profoundly for health? David R. Williams developed a scale to measure the im...
3 ways to plan for the (very) long term | Ari Wallach
24 Oct 2017
Contributed by Lukas
We increasingly make decisions based on short-term goals and gains -- an approach that makes the fut...
How do you build a sacred space? | Siamak Hariri
24 Oct 2017
Contributed by Lukas
To design the Bahá'í Temple of South America, architect Siamak Hariri focused on illumination -- f...
How radio telescopes show us unseen galaxies | Natasha Hurley-Walker
24 Oct 2017
Contributed by Lukas
Our universe is strange, wonderful and vast, says astronomer Natasha Hurley-Walker. A spaceship can'...
A video game to cope with grief | Amy Green
24 Oct 2017
Contributed by Lukas
When Amy Green's young son was diagnosed with a rare brain tumor, she made up a bedtime story for hi...
How I learned to read -- and trade stocks -- in prison | Curtis "Wall Street" Carroll
24 Oct 2017
Contributed by Lukas
Financial literacy isn't a skill -- it's a lifestyle. Take it from Curtis "Wall Street" Carroll. As ...
How fake news does real harm | Stephanie Busari
24 Oct 2017
Contributed by Lukas
On April 14, 2014, the terrorist organization Boko Haram kidnapped more than 200 schoolgirls from th...
On tennis, love and motherhood | Serena Williams and Gayle King
24 Oct 2017
Contributed by Lukas
Twenty-three Grand Slam titles later, tennis superstar Serena Williams sits down with journalist Gay...
Behind the lies of Holocaust denial | Deborah Lipstadt
24 Oct 2017
Contributed by Lukas
"There are facts, there are opinions, and there are lies," says historian Deborah Lipstadt, telling ...
There's no shame in taking care of your mental health | Sangu Delle
24 Oct 2017
Contributed by Lukas
When stress got to be too much for TED Fellow Sangu Delle, he had to confront his own deep prejudice...
A summer school kids actually want to attend | Karim Abouelnaga
24 Oct 2017
Contributed by Lukas
In the US, most kids have a very long summer break, during which they forget an awful lot of what th...
A tribute to nurses | Carolyn Jones
24 Oct 2017
Contributed by Lukas
Carolyn Jones spent five years interviewing, photographing and filming nurses across America, travel...
A climate solution where all sides can win | Ted Halstead
24 Oct 2017
Contributed by Lukas
Why are we so deadlocked on climate, and what would it take to overcome the seemingly insurmountable...
Walking as a revolutionary act of self-care | T. Morgan Dixon and Vanessa Garrison
24 Oct 2017
Contributed by Lukas
"When black women walk, things change," say T. Morgan Dixon and Vanessa Garrison, the founders of th...
Poverty isn't a lack of character; it's a lack of cash | Rutger Bregman
24 Oct 2017
Contributed by Lukas
"Ideas can and do change the world," says historian Rutger Bregman, sharing his case for a provocati...
Why I speak up about living with epilepsy | Sitawa Wafula
24 Oct 2017
Contributed by Lukas
Once homebound by epilepsy, mental health advocate Sitawa Wafula found her strength in writing about...
Don't fear intelligent machines. Work with them | Garry Kasparov
24 Oct 2017
Contributed by Lukas
We must face our fears if we want to get the most out of technology -- and we must conquer those fea...
Am I not human? A call for criminal justice reform | Marlon Peterson
24 Oct 2017
Contributed by Lukas
For a crime he committed in his early twenties, the courts sentenced Marlon Peterson to 10 years in ...
What it's like to be a woman in Hollywood | Naomi McDougall-Jones
24 Oct 2017
Contributed by Lukas
What we see in movies matters: it affects our hobbies, our career choices, our emotions and even our...
I don't want children -- stop telling me I'll change my mind | Christen Reighter
24 Oct 2017
Contributed by Lukas
One in five women in the United States will not have a biological child, and Christen Reighter is on...
A pro wrestler's guide to confidence | Mike Kinney
23 Oct 2017
Contributed by Lukas
You are more than you think you are, says former pro wrestler Mike Kinney -- you just have to find w...
The powerful stories that shaped Africa | Gus Casely-Hayford
20 Oct 2017
Contributed by Lukas
In the vast sweep of history, even an empire can be forgotten. In this wide-ranging talk, Gus Casely...
A precise, three-word address for every place on earth | Chris Sheldrick
19 Oct 2017
Contributed by Lukas
With what3words, Chris Sheldrick and his team have divided the entire planet into three-meter square...
Portraits that transform people into whatever they want to be | Uldus Bakhtiozina
19 Oct 2017
Contributed by Lukas
With her gorgeous, haunting photographs, artist Uldus Bakhtiozina documents dreams, working with dai...
The new age of corporate monopolies | Margrethe Vestager
18 Oct 2017
Contributed by Lukas
Margrethe Vestager wants to keep European markets competitive -- which is why, on behalf of the EU, ...
We can hack our immune cells to fight cancer | Elizabeth Wayne
17 Oct 2017
Contributed by Lukas
After decades of research and billions spent in clinical trials, we still have a problem with cancer...
What's hidden under the Greenland ice sheet? | Kristin Poinar
17 Oct 2017
Contributed by Lukas
The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists...
How I became an entrepreneur at 66 | Paul Tasner
16 Oct 2017
Contributed by Lukas
It's never too late to reinvent yourself. Take it from Paul Tasner -- after working continuously for...
3 fears about screen time for kids -- and why they're not true | Sara DeWitt
12 Oct 2017
Contributed by Lukas
We check our phones upwards of 50 times per day -- but when our kids play around with them, we get n...
Why jobs of the future won't feel like work | David Lee
11 Oct 2017
Contributed by Lukas
We've all heard that robots are going to take our jobs -- but what can we do about it? Innovation ex...
The forgotten art of the zoetrope | Eric Dyer
10 Oct 2017
Contributed by Lukas
Artist Eric Dyer spent years working at a computer to produce images for the screen. Longing to get ...
Electrical experiments with plants that count and communicate | Greg Gage
10 Oct 2017
Contributed by Lukas
Neuroscientist Greg Gage takes sophisticated equipment used to study the brain out of graduate-level...
How Africa can use its traditional knowledge to make progress | Chika Ezeanya-Esiobu
09 Oct 2017
Contributed by Lukas
Chika Ezeanya-Esiobu wants to see Africans unleash their suppressed creative and innovative energies...
How to seek truth in the era of fake news | Christiane Amanpour
06 Oct 2017
Contributed by Lukas
Known worldwide for her courage and clarity, Christiane Amanpour has spent the past three decades in...
A global food crisis may be only a decade away | Sara Menker
05 Oct 2017
Contributed by Lukas
Sara Menker quit a career in commodities trading to figure out how the global value chain of agricul...
Don't suffer from your depression in silence | Nikki Webber Allen
05 Oct 2017
Contributed by Lukas
Having feelings isn't a sign of weakness -- they mean we're human, says producer and activist Nikki ...
Mind-blowing, magnified portraits of insects | Levon Biss
04 Oct 2017
Contributed by Lukas
Photographer Levon Biss was looking for a new, extraordinary subject when one afternoon he and his y...
The magic of Khmer classical dance | Prumsodun Ok
03 Oct 2017
Contributed by Lukas
For more than 1,000 years, Khmer dancers in Cambodia have been seen as living bridges between heaven...
Lessons from the longest study on human development | Helen Pearson
02 Oct 2017
Contributed by Lukas
For the past 70 years, scientists in Britain have been studying thousands of children through their ...
What I learned as a prisoner in North Korea | Euna Lee
29 Sep 2017
Contributed by Lukas
In March 2009, North Korean soldiers captured journalist Euna Lee and her colleague Laura Ling while...
What teen pregnancy looks like in Latin America | Christian Rodriguez
28 Sep 2017
Contributed by Lukas
Christian Rodríguez is a photographer and filmmaker -- and the son of a teenage mother. For the pas...
The warmth and wisdom of mud buildings | Anna Heringer
28 Sep 2017
Contributed by Lukas
"There are a lot of resources given by nature for free -- all we need is our sensitivity to see them...
Future tech will give you the benefits of city life anywhere | Julio Gil
27 Sep 2017
Contributed by Lukas
Don't believe predictions that say the future is trending towards city living. Urbanization is actua...
Why people of different faiths are painting their houses of worship yellow | Nabila Alibhai
26 Sep 2017
Contributed by Lukas
Divisions along religious lines are deepening, and we're doubting more and more how much we have in ...
The fascinating secret lives of giant clams | Mei Lin Neo
26 Sep 2017
Contributed by Lukas
When you think about the deep blue sea, you might instantly think of whales or coral reefs. But spar...
The boost students need to overcome obstacles | Anindya Kundu
25 Sep 2017
Contributed by Lukas
How can disadvantaged students succeed in school? For sociologist Anindya Kundu, grit and stick-to-i...
How a video game might help us build better cities | Karoliina Korppoo
22 Sep 2017
Contributed by Lukas
With more than half of the world population living in cities, one thing is undeniable: we are an urb...
What intelligent machines can learn from a school of fish | Radhika Nagpal
21 Sep 2017
Contributed by Lukas
Science fiction visions of the future show us AI built to replicate how our minds work -- but what i...
The most Martian place on Earth | Armando Azua-Bustos
20 Sep 2017
Contributed by Lukas
How can you study Mars without a spaceship? Head to the most Martian place on Earth -- the Atacama D...
What we're missing in the debate about immigration | Duarte Geraldino
19 Sep 2017
Contributed by Lukas
Between 2008 and 2016, the United States deported more than three million people. What happens to th...
Why Africa must become a center of knowledge again | Olúfẹ́mi Táíwò
19 Sep 2017
Contributed by Lukas
How can Africa, the home to some of the largest bodies of water in the world, be said to have a wate...
How digital DNA could help you make better health choices | Jun Wang
18 Sep 2017
Contributed by Lukas
What if you could know exactly how food or medication would impact your health -- before you put it ...
Living sculptures that stand for history's truths | Sethembile Msezane
15 Sep 2017
Contributed by Lukas
In the century-old statues that dotted Cape Town, Sethembile Mzesane didn't see anything that looked...
Fun home experiments that teach you physics | Helen Czerski
14 Sep 2017
Contributed by Lukas
Physics doesn't just happen in a fancy lab -- it happens when you push a piece of buttered toast off...
The real reason manufacturing jobs are disappearing | Augie Picado
14 Sep 2017
Contributed by Lukas
We've heard a lot of rhetoric lately suggesting that countries like the US are losing valuable manuf...
A forgotten ancient grain that could help Africa prosper | Pierre Thiam
13 Sep 2017
Contributed by Lukas
Forget quinoa. Meet fonio, an ancient "miracle grain" native to Senegal that's versatile, nutritious...
What really motivates people to be honest in business | Alexander Wagner
12 Sep 2017
Contributed by Lukas
Each year, one in seven large corporations commits fraud. Why? To find out, Alexander Wagner takes u...
How our friendship survives our opposing politics | Caitlin Quattromani and Lauran Arledge
11 Sep 2017
Contributed by Lukas
Can you still be friends with someone who doesn't vote the same way as you? For Caitlin Quattromani ...
What it feels like to see Earth from space | Benjamin Grant
07 Sep 2017
Contributed by Lukas
What the astronauts felt when they saw Earth from space changed them forever. Author and artist Benj...
How to build a company where the best ideas win | Ray Dalio
06 Sep 2017
Contributed by Lukas
What if you knew what your coworkers really thought about you and what they were really like? Ray Da...
How young people join violent extremist groups -- and how to stop them | Erin Marie Saltman
05 Sep 2017
Contributed by Lukas
Terrorists and extremists aren't all naturally violent sociopaths -- they're deliberately recruited ...
A smog vacuum cleaner and other magical city designs | Daan Roosegaarde
05 Sep 2017
Contributed by Lukas
Daan Roosegaarde uses technology and creative thinking to produce imaginative, earth-friendly design...
TED's secret to great public speaking | Chris Anderson
04 Sep 2017
Contributed by Lukas
There's no single formula for a great talk, but there is a secret ingredient that all the best ones ...
Dare to refuse the origin myths that claim who you are | Chetan Bhatt
01 Sep 2017
Contributed by Lukas
We all have origin stories and identity myths, our tribal narratives that give us a sense of securit...
How your pictures can help reclaim lost history | Chance Coughenour
31 Aug 2017
Contributed by Lukas
Digital archaeologist Chance Coughenour is using pictures -- your pictures -- to reclaim antiquities...
How the US government spies on people who protest -- including you | Jennifer Granick
31 Aug 2017
Contributed by Lukas
What's stopping the American government from recording your phone calls, reading your emails and mon...
Can a robot pass a university entrance exam? | Noriko Arai
30 Aug 2017
Contributed by Lukas
Meet Todai Robot, an AI project that performed in the top 20 percent of students on the entrance exa...
Why we need to end the era of orphanages | Tara Winkler
29 Aug 2017
Contributed by Lukas
Could it be wrong to help children in need by starting an orphanage? In this eye-opening talk about ...
When workers own companies, the economy is more resilient | Niki Okuk
28 Aug 2017
Contributed by Lukas
Another economic reality is possible -- one that values community, sustainability and resiliency ins...
"The Sacred Art of the Ori" | Laolu Senbanjo
25 Aug 2017
Contributed by Lukas
Every artist has a name, and every artist has a story. Laolu Senbanjo's story started in Nigeria, wh...
What the sugar coating on your cells is trying to tell you | Carolyn Bertozzi
24 Aug 2017
Contributed by Lukas
Your cells are coated with sugars that store information and speak a secret language. What are they ...
What would happen if we upload our brains to computers | Robin Hanson
24 Aug 2017
Contributed by Lukas
Meet the "ems" -- machines that emulate human brains and can think, feel and work just like the brai...
A lyrical bridge between past, present and future | David Whyte
23 Aug 2017
Contributed by Lukas
With his signature charm and searching insight, David Whyte meditates on the frontiers of the past, ...
What moral decisions should driverless cars make? | Iyad Rahwan
22 Aug 2017
Contributed by Lukas
Should a driverless car kill you if it means saving five pedestrians? In this primer on the social d...
The era of blind faith in big data must end | Cathy O'Neil
22 Aug 2017
Contributed by Lukas
Algorithms decide who gets a loan, who gets a job interview, who gets insurance and much more -- but...
How I found myself through music | Anika Paulson
21 Aug 2017
Contributed by Lukas
"Music is everywhere, and it is in everything," says musician, student and TED-Ed Clubs star Anika P...
The secret to living longer may be your social life | Susan Pinker
18 Aug 2017
Contributed by Lukas
The Italian island of Sardinia has more than six times as many centenarians as the mainland and ten ...
A practical way to help the homeless find work and safety | Richard J. Berry
17 Aug 2017
Contributed by Lukas
When Richard J. Berry, the mayor of Albuquerque, saw a man on a street corner holding a cardboard si...
7 principles for building better cities | Peter Calthorpe
17 Aug 2017
Contributed by Lukas
More than half of the world's population already lives in cities, and another 2.5 billion people are...
How artists can (finally) get paid in the digital age | Jack Conte
16 Aug 2017
Contributed by Lukas
It's been a weird 100 years for artists and creators, says musician and entrepreneur Jack Conte. The...
How I help free innocent people from prison | Ronald Sullivan
15 Aug 2017
Contributed by Lukas
Harvard Law professor Ronald Sullivan fights to free wrongfully convicted people from jail -- in fac...
What I saw at the Ferguson protests | Damon Davis
14 Aug 2017
Contributed by Lukas
When artist Damon Davis went to join the protests in Ferguson, Missouri, after police killed Michael...
Meet the microscopic life in your home -- and on your face | Anne Madden
11 Aug 2017
Contributed by Lukas
Behold the microscopic jungle in and around you: tiny organisms living on your cheeks, under your so...
You owe it to yourself to experience a total solar eclipse | David Baron
10 Aug 2017
Contributed by Lukas
On August 21, 2017, the moon's shadow will race from Oregon to South Carolina in what some consider ...
Let's end ageism | Ashton Applewhite
09 Aug 2017
Contributed by Lukas
It's not the passage of time that makes it so hard to get older. It's ageism, a prejudice that pits ...
How your brain decides what is beautiful | Anjan Chatterjee
08 Aug 2017
Contributed by Lukas
Anjan Chatterjee uses tools from evolutionary psychology and cognitive neuroscience to study one of ...
How AI can enhance our memory, work and social lives | Tom Gruber
07 Aug 2017
Contributed by Lukas
How smart can our machines make us? Tom Gruber, co-creator of Siri, wants to make "humanistic AI" th...
How a computer learns to recognize objects instantly | Joseph Redmon
04 Aug 2017
Contributed by Lukas
Ten years ago, researchers thought that getting a computer to tell the difference between a cat and ...
The stories behind The New Yorker's iconic covers | Françoise Mouly
03 Aug 2017
Contributed by Lukas
Meet Françoise Mouly, The New Yorker's art director. For the past 24 years, she's helped decide wha...
Nationalism vs. globalism: the new political divide | Yuval Noah Harari
02 Aug 2017
Contributed by Lukas
How do we make sense of today's political divisions? In a wide-ranging conversation full of insight,...
Can art amend history? | Titus Kaphar
01 Aug 2017
Contributed by Lukas
Artist Titus Kaphar makes paintings and sculptures that wrestle with the struggles of the past while...
Meet Spot, the robot dog that can run, hop and open doors | Marc Raibert
31 Jul 2017
Contributed by Lukas
That science fiction future where robots can do what people and animals do may be closer than you th...
Why I still have hope for coral reefs | Kristen Marhaver
28 Jul 2017
Contributed by Lukas
Corals in the Pacific Ocean have been dying at an alarming rate, particularly from bleaching brought...
You smell with your body, not just your nose | Jennifer Pluznick
27 Jul 2017
Contributed by Lukas
Do your kidneys have a sense of smell? Turns out, the same tiny scent detectors found in your nose a...
The manipulative tricks tech companies use to capture your attention | Tristan Harris
26 Jul 2017
Contributed by Lukas
A handful of people working at a handful of tech companies steer the thoughts of billions of people ...
A simple new blood test that can catch cancer early | Jimmy Lin
25 Jul 2017
Contributed by Lukas
Jimmy Lin is developing technologies to catch cancer months to years before current methods. He shar...
How cohousing can make us happier (and live longer) | Grace Kim
24 Jul 2017
Contributed by Lukas
Loneliness doesn't always stem from being alone. For architect Grace Kim, loneliness is a function o...
How I fail at being disabled | Susan Robinson
21 Jul 2017
Contributed by Lukas
Born with a genetic visual impairment that has no correction or cure, Susan Robinson is legally blin...
The human insights missing from big data | Tricia Wang
19 Jul 2017
Contributed by Lukas
Why do so many companies make bad decisions, even with access to unprecedented amounts of data? With...