TEDTalks

Excellent examples of public speaking
3 fears about screen time for kids -- and why they're not true | Sara DeWitt
3 fears about screen time for kids -- and why they're not true | Sara DeWitt
We check our phones upwards of 50 times per day -- but when our kids play around with them, we get nervous. Are screens ruining childhood? Not according to children's media expert Sara DeWitt. In a ta...
What teen pregnancy looks like in Latin America | Christian Rodríguez
What teen pregnancy looks like in Latin America | Christian Rodríguez
Christian Rodríguez is a photographer and filmmaker -- and the son of a teenage mother. For the past five years, he has documented teen pregnancy in Latin America, creating intimate and dignified port...
The warmth and wisdom of mud buildings | Anna Heringer
The warmth and wisdom of mud buildings | Anna Heringer
"There are a lot of resources given by nature for free -- all we need is our sensitivity to see them and our creativity to use them," says architect Anna Heringer. Heringer uses low-tech materials lik...
Future tech will give you the benefits of city life anywhere | Julio Gil
Future tech will give you the benefits of city life anywhere | Julio Gil
Don't believe predictions that say the future is trending towards city living. Urbanization is actually reaching the end of its cycle, says logistics expert Julio Gil, and soon more people will be cho...
Why people of different faiths are painting their houses of worship yellow | Nabila Alibhai
Why people of different faiths are painting their houses of worship yellow | Nabila Alibhai
Divisions along religious lines are deepening, and we're doubting more and more how much we have in common. How can we stand boldly and visibly together? Inspired by an idea from her collaborator Yazm...
The fascinating secret lives of giant clams | Mei Lin Neo
The fascinating secret lives of giant clams | Mei Lin Neo
When you think about the deep blue sea, you might instantly think of whales or coral reefs. But spare a thought for giant clams, the world's largest living shellfish. These incredible creatures can li...
The boost students need to overcome obstacles | Anindya Kundu
The boost students need to overcome obstacles | Anindya Kundu
How can disadvantaged students succeed in school? For sociologist Anindya Kundu, grit and stick-to-itiveness aren't enough; students also need to develop their agency, or their capacity to overcome ob...
How a video game might help us build better cities | Karoliina Korppoo
How a video game might help us build better cities | Karoliina Korppoo
With more than half of the world population living in cities, one thing is undeniable: we are an urban species. Part game, part urban planning sketching tool, "Cities: Skylines" encourages people to u...
A black man goes undercover in the alt-right | Theo E.J. Wilson
A black man goes undercover in the alt-right | Theo E.J. Wilson
In an unmissable talk about race and politics in America, Theo E.J. Wilson tells the story of becoming Lucius25, white supremacist lurker, and the unexpected compassion and surprising perspective he f...
What intelligent machines can learn from a school of fish | Radhika Nagpal
What intelligent machines can learn from a school of fish | Radhika Nagpal
Science fiction visions of the future show us AI built to replicate our way of thinking -- but what if we modeled it instead on the other kinds of intelligence found in nature? Robotics engineer Radhi...
The most Martian place on Earth | Armando Azua-Bustos
The most Martian place on Earth | Armando Azua-Bustos
How can you study Mars without a spaceship? Head to the most Martian place on Earth -- the Atacama Desert in Chile. Astrobiologist Armando Azua-Bustos grew up in this vast, arid landscape and now stud...
What we're missing in the debate about immigration | Duarte Geraldino
What we're missing in the debate about immigration | Duarte Geraldino
Between 2008 and 2016, the United States deported more than three million people. What happens to those left behind? Journalist Duarte Geraldino picks up the story of deportation where the state leave...
Why Africa must become a center of knowledge again | Olúfẹ́mi Táíwò
Why Africa must become a center of knowledge again | Olúfẹ́mi Táíwò
How can Africa, the home to some of the largest bodies of water in the world, be said to have a water crisis? It doesn't, says Olúfẹ́mi Táíwò -- it has a knowledge crisis. Táíwò suggests that ...
How digital DNA could help you make better health choices | Jun Wang
How digital DNA could help you make better health choices | Jun Wang
What if you could know exactly how food or medication would impact your health -- before you put it in your body? Genomics researcher Jun Wang is working to develop digital doppelgangers for real peop...
Living sculptures that stand for history's truths | Sethembile Msezane
Living sculptures that stand for history's truths | Sethembile Msezane
In the century-old statues that dotted Cape Town, Sethembile Mzesane didn't see anything that looked like her own reality. So she became a living sculpture herself, standing for hours on end in public...
The fascinating physics of everyday life | Helen Czerski
The fascinating physics of everyday life | Helen Czerski
Physics doesn't just happen in a fancy lab -- it happens when you push a piece of buttered toast off the table or drop a couple of raisins in a fizzy drink or watch a coffee spill dry. Become a more i...
The real reason manufacturing jobs are disappearing | Augie Picado
The real reason manufacturing jobs are disappearing | Augie Picado
We've heard a lot of rhetoric lately suggesting that countries like the US are losing valuable manufacturing jobs to lower-cost markets like China, Mexico and Vietnam -- and that protectionism is the ...
A forgotten ancient grain that could help Africa prosper | Pierre Thiam
A forgotten ancient grain that could help Africa prosper | Pierre Thiam
Forget quinoa. Meet fonio, an ancient "miracle grain" native to Senegal that's versatile, nutritious and gluten-free. In this passionate talk, chef Pierre Thiam shares his obsession with the hardy cro...