Caitlin Quattromani and Lauran Arledge: How our friendship survives our opposing politics

TEDxMileHigh

Caitlin Quattromani and Lauran Arledge: How our friendship survives our opposing politics

1,005,132 views


Can you still be friends with someone who doesn't vote the same way as you? For Caitlin Quattromani and Lauran Arledge, two best friends who think very differently about politics, the outcome of the 2016 US presidential election could have resulted in hostility and disrespect. Hear about how they chose to engage in dialogue instead -- and learn some simple tactics they're using to maintain their bipartisan friendship.

Pierre Thiam: A forgotten ancient grain that could help Africa prosper

TED2017

Pierre Thiam: A forgotten ancient grain that could help Africa prosper

1,025,642 views


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 crop and explains why he believes that its industrial-scale cultivation could transform societies in Africa.

Anindya Kundu: The boost students need to overcome obstacles

TED Residency

Anindya Kundu: The boost students need to overcome obstacles

1,317,206 views


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 obstacles and navigate the system. He shares hopeful stories of students who have defied expectations in the face of personal, social and institutional challenges.

OluTimehin Adegbeye: Who belongs in a city?

TEDGlobal 2017

OluTimehin Adegbeye: Who belongs in a city?

1,199,127 views


Underneath every shiny new megacity, there's often a story of communities displaced. In this moving, poetic talk, OluTimehin Adegbeye details how government land grabs are destroying the lives of thousands who live in the coastal communities of Lagos, Nigeria, to make way for a "new Dubai." She compels us to hold our governments and ourselves accountable for keeping our cities safe for everyone. "The only cities worth building, indeed the only futures worth dreaming of, are those that include all of us, no matter who we are or how we make homes for ourselves," she says.

Mei Lin Neo: The fascinating secret lives of giant clams

TED2017

Mei Lin Neo: The fascinating secret lives of giant clams

1,077,601 views


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 live to 100, grow up to four and a half feet long and weigh as much as three baby elephants. In this charming talk, marine biologist Mei Lin Neo shares why she's obsessively trying to turn these legendary sea creatures into heroes of the oceans.

Jun Wang: How digital DNA could help you make better health choices

TED2017

Jun Wang: How digital DNA could help you make better health choices

1,136,588 views


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 people; they start with genetic code, but they'll also factor in other kinds of data as well, from food intake to sleep to data collected by a "smart toilet." With all of this valuable information, Wang hopes to create an engine that will change the way we think about health, both on an individual level and as a collective.

Radhika Nagpal: What intelligent machines can learn from a school of fish

TED2017

Radhika Nagpal: What intelligent machines can learn from a school of fish

1,082,900 views


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 Radhika Nagpal studies the collective intelligence displayed by insects and fish schools, seeking to understand their rules of engagement. In a visionary talk, she presents her work creating artificial collective power and previews a future where swarms of robots work together to build flood barriers, pollinate crops, monitor coral reefs and form constellations of satellites.

Armando Azua-Bustos: The most Martian place on Earth

TED2017

Armando Azua-Bustos: The most Martian place on Earth

1,009,024 views


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 studies the rare life forms that have adapted to survive there, some in areas with no reported rainfall for the past 400 years. Explore the possibility of finding life elsewhere in the universe without leaving the planet with this quick, funny talk.

Elizabeth Blackburn: The science of cells that never get old

TED2017

Elizabeth Blackburn: The science of cells that never get old

1,367,563 views


What makes our bodies age ... our skin wrinkle, our hair turn white, our immune systems weaken? Biologist Elizabeth Blackburn shares a Nobel Prize for her work finding out the answer, with the discovery of telomerase: an enzyme that replenishes the caps at the end of chromosomes, which break down when cells divide. Learn more about Blackburn's groundbreaking research -- including how we might have more control over aging than we think.

Augie Picado: The real reason manufacturing jobs are disappearing

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Augie Picado: The real reason manufacturing jobs are disappearing

1,527,211 views


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 best way forward. But those jobs haven't disappeared for the reasons you may think, says border and logistics specialist Augie Picado. He gives us a reality check about what global trade really looks like and how shared production and open borders help us make higher quality products at lower costs.

Jennifer Granick: How the US government spies on people who protest -- including you

TEDxStanford

Jennifer Granick: How the US government spies on people who protest -- including you

1,113,355 views


What's stopping the American government from recording your phone calls, reading your emails and monitoring your location? Very little, says surveillance and cybersecurity counsel Jennifer Granick. The government collects all kinds of information about you easily, cheaply and without a warrant -- and if you've ever participated in a protest or attended a gun show, you're likely a person of interest. Learn more about your rights, your risks and how to protect yourself in the golden age of surveillance.

Tomás Saraceno: Would you live in a floating city in the sky?

TED2017

Tomás Saraceno: Would you live in a floating city in the sky?

516,160 views


In a mind-bending talk that blurs the line between science and art, Tomás Saraceno exhibits a series of air-inspired sculptures and installations designed to usher in a new era of sustainability, the "Aerocene." From giant, cloud-like playgrounds suspended 22 meters in the air to a balloon sculpture that travels the world without burning a single drop of fossil fuel, Saraceno's work invites us to explore the bounds of our fragile human and terrestrial ecosystems. (In Spanish with English subtitles)

Chetan Bhatt: Dare to refuse the origin myths that claim who you are

TEDxExeter

Chetan Bhatt: Dare to refuse the origin myths that claim who you are

1,253,435 views


We all have origin stories and identity myths, our tribal narratives that give us a sense of security and belonging. But sometimes our small-group identities can keep us from connecting with humanity as a whole -- and even keep us from seeing others as human. In a powerful talk about how we understand who we are, Chetan Bhatt challenges us to think creatively about each other and our future. As he puts it: it's time to change the question from "Where are you from?" to "Where are you going?"

Laolu Senbanjo: "The Sacred Art of the Ori"

TED2017

Laolu Senbanjo: "The Sacred Art of the Ori"

884,004 views


Every artist has a name, and every artist has a story. Laolu Senbanjo's story started in Nigeria, where he was surrounded by the culture and mythology of the Yoruba, and brought him to law school, to New York and eventually to work on Beyoncé's "Lemonade." He shares what he calls "The Sacred Art of the Ori," art that uses skin as canvas and connects artist and muse through mind, body and soul.

Helen Czerski: The fascinating physics of everyday life

TEDxManchester

Helen Czerski: The fascinating physics of everyday life

1,362,365 views


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 interesting dinner guest as physicist Helen Czerski presents various concepts in physics you can become familiar with using everyday things found in your kitchen.

Emily Esfahani Smith: There's more to life than being happy

TED2017

Emily Esfahani Smith: There's more to life than being happy

3,778,118 views


Our culture is obsessed with happiness, but what if there's a more fulfilling path? Happiness comes and goes, says writer Emily Esfahani Smith, but having meaning in life -- serving something beyond yourself and developing the best within you -- gives you something to hold onto. Learn more about the difference between being happy and having meaning as Smith offers four pillars of a meaningful life.

Arik Hartmann: Our treatment of HIV has advanced. Why hasn't the stigma changed?

TEDxVermilionStreet

Arik Hartmann: Our treatment of HIV has advanced. Why hasn't the stigma changed?

826,329 views


The treatment of HIV has significantly advanced over the past three decades -- why hasn't our perception of people with the disease advanced along with it? After being diagnosed with HIV, Arik Hartmann chose to live transparently, being open about his status, in an effort to educate people. In this candid, personal talk, he shares what it's like to live with HIV -- and calls on us to dismiss our misconceptions about the disease.

Ray Dalio: How to build a company where the best ideas win

TED2017

Ray Dalio: How to build a company where the best ideas win

2,080,146 views


What if you knew what your coworkers really thought about you and what they were really like? Ray Dalio makes the business case for using radical transparency and algorithmic decision-making to create an idea meritocracy where people can speak up and say what they really think -- even calling out the boss is fair game. Learn more about how these strategies helped Dalio create one of the world's most successful hedge funds and how you might harness the power of data-driven group decision-making.

Robin Hanson: What would happen if we upload our brains to computers?

TED2017

Robin Hanson: What would happen if we upload our brains to computers?

1,223,528 views


Meet the "ems" -- machines that emulate human brains and can think, feel and work just like the brains they're copied from. Futurist and social scientist Robin Hanson describes a possible future when ems take over the global economy, running on superfast computers and copying themselves to multitask, leaving humans with only one choice: to retire, forever. Glimpse a strange future as Hanson describes what could happen if robots ruled the earth.

Wanuri Kahiu: Fun, fierce and fantastical African art

TED2017

Wanuri Kahiu: Fun, fierce and fantastical African art

792,264 views


We're so used to narratives out of Africa being about war, poverty and devastation, says TED Fellow Wanuri Kahiu. Where's the fun? Introducing "AfroBubbleGum" -- African art that's vibrant, lighthearted and without a political agenda. Rethink the value of all that is unserious as Kahiu explains why we need art that captures the full range of human experiences to tell the stories of Africa.

Daan Roosegaarde: A smog vacuum cleaner and other magical city designs

TED2017

Daan Roosegaarde: A smog vacuum cleaner and other magical city designs

975,860 views


Daan Roosegaarde uses technology and creative thinking to produce imaginative, earth-friendly designs. He presents his latest projects -- from a bike path in Eindhoven, where he reinterpreted "The Starry Night" to get people thinking about green energy, to Beijing, where he developed a smog vacuum cleaner to purify the air in local parks, to a dance floor that generates electricity to power a DJ booth. Check out Roosegaarde's vision for a future where creativity is our true capital.

Chance Coughenour: How your pictures can help reclaim lost history

TEDxHamburg

Chance Coughenour: How your pictures can help reclaim lost history

824,633 views


Digital archaeologist Chance Coughenour is using pictures -- your pictures -- to reclaim antiquities that have been lost to conflict and disaster. After crowdsourcing photographs of destroyed monuments, museums and artifacts, Coughenour uses advanced technology called photogrammetry to create 3D reconstructions, preserving the memory of our global, shared, human heritage. Find out more about how you can help celebrate and safeguard history that's being lost.

Benjamin Grant: What it feels like to see Earth from space

TEDxSkoll

Benjamin Grant: What it feels like to see Earth from space

1,177,982 views


What the astronauts felt when they saw Earth from space changed them forever. Author and artist Benjamin Grant aims to provoke this same feeling of overwhelming scale and beauty in each of us through a series of stunning satellite images that show the effects human beings are having on the planet. "If we can adopt a more expansive perspective, embrace the truth of what is going on and contemplate the long-term health of our planet, we will create a better, safer and smarter future for our one and only home," Grant says.

Noriko Arai: Can a robot pass a university entrance exam?

TED2017

Noriko Arai: Can a robot pass a university entrance exam?

1,301,177 views


Meet Todai Robot, an AI project that performed in the top 20 percent of students on the entrance exam for the University of Tokyo -- without actually understanding a thing. While it's not matriculating anytime soon, Todai Robot's success raises alarming questions for the future of human education. How can we help kids excel at the things that humans will always do better than AI?

Jon Boogz and Lil Buck: A dance to honor Mother Earth

TED2017

Jon Boogz and Lil Buck: A dance to honor Mother Earth

243,553 views


Movement artists Jon Boogz and Lil Buck debut "Honor thy mother," a delicate, powerful performance of spoken word, violin and dance that draws on the tormented relationship between nature and humanity.

Carolyn Bertozzi: What the sugar coating on your cells is trying to tell you

TEDxStanford

Carolyn Bertozzi: What the sugar coating on your cells is trying to tell you

1,075,241 views


Your cells are coated with sugars that store information and speak a secret language. What are they trying to tell us? Your blood type, for one -- and, potentially, that you have cancer. Chemical biologist Carolyn Bertozzi researches how sugars on cancerous cells interact with (and sometimes trick) your immune system. Learn more about how your body detects cancer and how the latest cancer-fighting medicines could help your immune system beat the disease.

David Baron: You owe it to yourself to experience a total solar eclipse

TEDxMileHigh

David Baron: You owe it to yourself to experience a total solar eclipse

1,641,291 views


On August 21, 2017, the moon's shadow raced from Oregon to South Carolina in what some consider to be the most awe-inspiring spectacle in all of nature: a total solar eclipse. Umbraphile David Baron chases these rare events across the globe, and in this ode to the bliss of seeing the solar corona, he explains why you owe it to yourself to witness one, too.

Tara Winkler: Why we need to end the era of orphanages

TEDxSydney

Tara Winkler: Why we need to end the era of orphanages

966,884 views


Could it be wrong to help children in need by starting an orphanage? In this eye-opening talk about the bad consequences of good intentions, Tara Winkler speaks out against the spread of orphanages in developing countries, caused in part by foreign donors, and details the harm done to children when they are separated from their families and left to grow up in institutions.

Niki Okuk: When workers own companies, the economy is more resilient

TEDxCrenshaw

Niki Okuk: When workers own companies, the economy is more resilient

1,094,364 views


Another economic reality is possible -- one that values community, sustainability and resiliency instead of profit by any means necessary. Niki Okuk shares her case for cooperative economics and a vision for how working-class people can organize and own the businesses they work for, making decisions for themselves and enjoying the fruits of their labor.