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TEDTalks - Raaga.com - A World of Music

TEDTalks

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How a video game might help us build better cities | Karoliina Korppoo
TEDTalks (audio)
access_time3 days ago
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 use their creativity and self-expression to rethink the cities of tomorrow. Designer Karoliina Korppoo takes us on a tour through some extraordinary places users have created, from futuristic fantasy cities to remarkably realistic landscapes. What does your dream city look like?
A black man goes undercover in the alt-right | Theo E.J. Wilson
TEDTalks (audio)
access_time4 days ago
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 found from engaging with people he disagrees with. He encourages us to let go of fear, embrace curiosity and have courageous conversations with people who think differently from us. "Conversations stop violence, conversations start countries and build bridges," he says.
What intelligent machines can learn from a school of fish | Radhika Nagpal
TEDTalks (audio)
access_time4 days ago
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.
The most Martian place on Earth | Armando Azua-Bustos
TEDTalks (audio)
access_time5 days ago
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.
What we're missing in the debate about immigration | Duarte Geraldino
TEDTalks (audio)
access_time6 days ago
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 leaves off. Learn more about the wider impact of forced removal as Geraldino explains how the sudden absence of a mother, a local business owner or a high school student ripples outward and wreaks havoc on the relationships that hold our communities together.
Why Africa must become a center of knowledge again | Olúfẹ́mi Táíwò
TEDTalks (audio)
access_time6 days ago
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. According to Táíwò, a lack of knowledge on important topics like water and food is what stands between Africa's current state and a future of prosperity. In a powerful talk, he calls for Africa to make the production of knowledge within the continent rewarding and reclaim its position as a locus of learning on behalf of humanity.
How digital DNA could help you make better health choices | Jun Wang
TEDTalks (audio)
access_time7 days ago
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.
Living sculptures that stand for history's truths | Sethembile Msezane
TEDTalks (audio)
access_time10 days ago
In the century-old statues that occupy 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 spaces dressed in symbolic costumes, to reclaim the city and its public spaces for her community. In this powerful, tour-de-force talk, she shares the stories and motivation behind her mesmerizing performance art.
The fascinating physics of everyday life | Helen Czerski
TEDTalks (audio)
access_time11 days ago
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.
The real reason manufacturing jobs are disappearing | Augie Picado
TEDTalks (audio)
access_time11 days ago
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.
A forgotten ancient grain that could help Africa prosper | Pierre Thiam
TEDTalks (audio)
access_time12 days ago
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.
What really motivates people to be honest in business | Alexander Wagner
TEDTalks (audio)
access_time13 days ago
Each year, one in seven large corporations commits fraud. Why? To find out, Alexander Wagner takes us inside the economics, ethics and psychology of doing the right thing. Join him for an introspective journey down the slippery slopes of deception as he helps us understand why people behave the way they do.
There's more to life than being happy | Emily Esfahani Smith
TEDTalks (audio)
access_time13 days ago
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 Esfahani Smith offers four pillars of a meaningful life.
How our friendship survives our opposing politics | Caitlin Quattromani and Lauran Arledge
TEDTalks (audio)
access_time14 days ago
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.
Who belongs in a city? | OluTimehin Adegbeye
TEDTalks (audio)
access_time17 days ago
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.
What it feels like to see Earth from space | Benjamin Grant
TEDTalks (audio)
access_time18 days ago
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.
How to build a company where the best ideas win | Ray Dalio
TEDTalks (audio)
access_time19 days ago
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.
How young people join violent extremist groups -- and how to stop them | Erin Marie Saltman
TEDTalks (audio)
access_time20 days ago
Terrorists and extremists aren't all naturally violent sociopaths -- they're deliberately recruited and radicalized in a process that doesn't fit into a neat pattern. Erin Marie Saltman discusses the push and pull factors that cause people to join extremist groups and explains innovative ways of preventing and countering radicalization.
A smog vacuum cleaner and other magical city designs | Daan Roosegaarde
TEDTalks (audio)
access_time20 days ago
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.
TED's secret to great public speaking | Chris Anderson
TEDTalks (audio)
access_time22 days ago
There's no single formula for a great talk, but there is a secret ingredient that all the best ones have in common. TED curator Chris Anderson shares this secret -- along with four ways to make it work for you. Do you have what it takes to share an idea worth spreading?
Dare to refuse the origin myths that claim who you are | Chetan Bhatt
TEDTalks (audio)
access_time24 days ago
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?"
How the US government spies on people who protest -- including you | Jennifer Granick
TEDTalks (audio)
access_time25 days ago
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.
How your pictures can help reclaim lost history | Chance Coughenour
TEDTalks (audio)
access_time25 days ago
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.
Can a robot pass a university entrance exam? | Noriko Arai
TEDTalks (audio)
access_time26 days ago
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?
Why we need to end the era of orphanages | Tara Winkler
TEDTalks (audio)
access_time27 days ago
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.
Fun, fierce and fantastical African art | Wanuri Kahiu
TEDTalks (audio)
access_time27 days ago
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.
When workers own companies, the economy is more resilient | Niki Okuk
TEDTalks (audio)
access_time28 days ago
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.
TEDTalks (audio)
access_time1 month ago
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.
What would happen if we upload our brains to computers? | Robin Hanson
TEDTalks (audio)
access_time1 month ago
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.
What the sugar coating on your cells is trying to tell you | Carolyn Bertozzi
TEDTalks (audio)
access_time1 month ago
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.
A lyrical bridge between past, present and future | David Whyte
TEDTalks (audio)
access_time1 month ago
With his signature charm and searching insight, David Whyte meditates on the frontiers of the past, present and future, sharing two poems inspired by his niece's hike along El Camino de Santiago de Compostela in Spain.
The era of blind faith in big data must end | Cathy O'Neil
TEDTalks (audio)
access_time1 month ago
What moral decisions should driverless cars make? | Iyad Rahwan
TEDTalks (audio)
access_time1 month ago
Should your driverless car kill you if it means saving five pedestrians? In this primer on the social dilemmas of driverless cars, Iyad Rahwan explores how the technology will challenge our morality and explains his work collecting data from real people on the ethical trade-offs we're willing (and not willing) to make.
How I found myself through music | Anika Paulson
TEDTalks (audio)
access_time1 month ago
"Music is everywhere, and it is in everything," says musician, student and TED-Ed Clubs star Anika Paulson. Guitar in hand, she plays through the beats of her life in an exploration of how music connects us and makes us what we are.
The secret to living longer may be your social life | Susan Pinker
TEDTalks (audio)
access_time1 month ago
The Italian island of Sardinia has more than six times as many centenarians as the mainland and ten times as many as North America. Why? According to psychologist Susan Pinker, it's not a sunny disposition or a low-fat, gluten-free diet that keeps the islanders healthy -- it's their emphasis on close personal relationships and face-to-face interactions. Learn more about super longevity as Pinker explains what it takes to live to 100 and beyond.
7 principles for building better cities | Peter Calthorpe
TEDTalks (audio)
access_time1 month ago
More than half of the world's population already lives in cities, and another 2.5 billion people are projected to move to urban areas by 2050. The way we build new cities will be at the heart of so much that matters, from climate change to economic vitality to our very well-being and sense of connectedness. Peter Calthorpe is already at work planning the cities of the future and advocating for community design that's focused on human interaction. He shares seven universal principles for solving sprawl and building smarter, more sustainable cities.
A practical way to help the homeless find work and safety | Richard J. Berry
TEDTalks (audio)
access_time1 month ago
When Richard J. Berry, the mayor of Albuquerque, saw a man on a street corner holding a cardboard sign that read "Want a job," he decided to take him (and others in his situation) up on it. He and his staff started a citywide initiative to help the homeless by giving them day jobs and a place to sleep -- and the results were incredible. Find out how your city can replicate Albuquerque's model with this frank and optimistic talk.
How artists can (finally) get paid in the digital age  | Jack Conte
TEDTalks (audio)
access_time1 month ago
It's been a weird 100 years for artists and creators, says musician and entrepreneur Jack Conte. The traditional ways we've turned art into money (like record sales) have been broken by the internet, leaving musicians, writers and artists wondering how to make a living. With Patreon, Conte has created a way for artists on the internet to get paid by their fans. Could payment platforms like this change what it means to be an artist in the digital age?
How boredom can lead to your most brilliant ideas | Manoush Zomorodi
TEDTalks (audio)
access_time1 month ago
Do you sometimes have your most creative ideas while folding laundry, washing dishes or doing nothing in particular? It's because when your body goes on autopilot, your brain gets busy forming new neural connections that connect ideas and solve problems. Learn to love being bored as Manoush Zomorodi explains the connection between spacing out and creativity.
How I help free innocent people from prison | Ronald Sullivan
TEDTalks (audio)
access_time1 month ago
Harvard Law professor Ronald Sullivan fights to free wrongfully convicted people from jail -- in fact, he has freed some 6,000 innocent people over the course of his career. He shares heartbreaking stories of how (and why) people end up being put in jail for something they didn't do, and the consequences in their lives and the lives of others. Watch this essential talk about the duty we all have to make the world a bit more fair every day, however we can.
What I saw at the Ferguson protests | Damon Davis
TEDTalks (audio)
access_time1 month ago
When artist Damon Davis went to join the protests in Ferguson, Missouri, after police killed Michael Brown in 2014, he found not only anger but also a sense of love for self and community. His documentary "Whose Streets?" tells the story of the protests from the perspective of the activists who showed up to challenge those who use power to spread fear and hate.
Meet the microscopic life in your home -- and on your face | Anne Madden
TEDTalks (audio)
access_time2 months ago
Behold the microscopic jungle in and around you: tiny organisms living on your cheeks, under your sofa and in the soil in your backyard. We have an adversarial relationship with these microbes -- we sanitize, exterminate and disinfect them -- but according to microbiologist Anne Madden, they're sources of new technologies and medicines waiting to be discovered. These microscopic alchemists aren't gross, Madden says -- they're the future.
You owe it to yourself to experience a total solar eclipse | David Baron
TEDTalks (audio)
access_time2 months ago
On August 21, 2017, the moon's shadow will race 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.
You owe it to yourself to experience a total solar eclipse | David Baron
TEDTalks (audio)
access_time2 months ago
On August 21, 2017, the moon's shadow will race 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.
Let's end ageism | Ashton Applewhite
TEDTalks (audio)
access_time2 months ago
It's not the passage of time that makes it so hard to get older. It's ageism, a prejudice that pits us against our future selves -- and each other. Ashton Applewhite urges us to dismantle the dread and mobilize against the last socially acceptable prejudice. "Aging is not a problem to be fixed or a disease to be cured," she says. "It is a natural, powerful, lifelong process that unites us all."
How your brain decides what is beautiful | Anjan Chatterjee
TEDTalks (audio)
access_time2 months ago
Anjan Chatterjee uses tools from evolutionary psychology and cognitive neuroscience to study one of nature's most captivating concepts: beauty. Learn more about the science behind why certain configurations of line, color and form excite us in this fascinating, deep look inside your brain.
How AI can enhance our memory, work and social lives | Tom Gruber
TEDTalks (audio)
access_time2 months ago
How smart can our machines make us? Tom Gruber, co-creator of Siri, wants to make "humanistic AI" that augments and collaborates with us instead of competing with (or replacing) us. He shares his vision for a future where AI helps us achieve superhuman performance in perception, creativity and cognitive function -- from turbocharging our design skills to helping us remember everything we've ever read and the name of everyone we've ever met. "We are in the middle of a renaissance in AI," Gruber says. "Every time a machine gets smarter, we get smarter."
How computers learn to recognize objects instantly | Joseph Redmon
TEDTalks (audio)
access_time2 months ago
Ten years ago, researchers thought that getting a computer to tell the difference between a cat and a dog would be almost impossible. Today, computer vision systems do it with greater than 99 percent accuracy. How? Joseph Redmon works on the YOLO (You Only Look Once) system, an open-source method of object detection that can identify objects in images and video -- from zebras to stop signs -- with lightning-quick speed. In a remarkable live demo, Redmon shows off this important step forward for applications like self-driving cars, robotics and even cancer detection.
The stories behind The New Yorker's iconic covers | Françoise Mouly
TEDTalks (audio)
access_time2 months ago
Meet Françoise Mouly, The New Yorker's art director. For the past 24 years, she's helped decide what appears on the magazine's famous cover, from the black-on-black depiction of the Twin Towers the week after 9/11 to a recent, Russia-influenced riff on the magazine's mascot, Eustace Tilley. In this visual retrospective, Mouly considers how a simple drawing can cut through the torrent of images that we see every day and elegantly capture the feeling (and the sensibility) of a moment in time.
Can art amend history? | Titus Kaphar
TEDTalks (audio)
access_time2 months ago
Artist Titus Kaphar makes paintings and sculptures that wrestle with the struggles of the past while speaking to the diversity and advances of the present. In an unforgettable live workshop, Kaphar takes a brush full of white paint to a replica of a 17th-century Frans Hals painting, obscuring parts of the composition and bringing its hidden story into view. There's a narrative coded in art like this, Kaphar says. What happens when we shift our focus and confront unspoken truths?