Don't feel sorry for refugees -- believe in them | Luma Mufleh

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"We have seen advances in every aspect of our lives -- except our humanity," says Luma Mufleh, a Jordanian immigrant and Muslim of Syrian descent who founded the first accredited school for refugees in the United States. Mufleh shares stories of hope and resilience, explaining how she's helping young people from war-torn countries navigate the difficult process of building new homes. Get inspired to make a personal difference in the lives of refugees with this powerful talk.

A celebration of natural hair | Cheyenne Cochrane

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Cheyenne Cochrane explores the role that hair texture has played in the history of being black in America -- from the heat straightening products of the post-Civil War era to the thousands of women today who have decided to stop chasing a conventional beauty standard and start embracing their natural hair. "This is about more than a hairstyle," Cochrane says. "It's about being brave enough not to fold under the pressure of others' expectations."

Why design should include everyone | Sinéad Burke

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Sinéad Burke is acutely aware of details that are practically invisible to many of us. At 105 centimeters (or 3' 5") tall, the designed world -- from the height of a lock to the range of available shoe sizes -- often inhibits her ability to do things for herself. Here she tells us what it's like to navigate the world as a little person and asks: "Who are we not designing for?"

The refugee crisis is a test of our character | David Miliband

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Sixty-five million people were displaced from their homes by conflict and disaster in 2016. It's not just a crisis; it's a test of who we are and what we stand for, says David Miliband -- and each of us has a personal responsibility to help solve it. In this must-watch talk, Miliband gives us specific, tangible ways to help refugees and turn empathy and altruism into action.

Why we need to imagine different futures | Anab Jain

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Anab Jain brings the future to life, creating experiences where people can touch, see and feel the potential of the world we're creating. Do we want a world where intelligent machines patrol our streets, for instance, or where our genetic heritage determines our health care? Jain's projects show why it's important to fight for the world we want. Catch a glimpse of possible futures in this eye-opening talk.

Doesn't everyone deserve a chance at a good life? | Jim Yong Kim

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Aspirations are rising as never before across the world, thanks in large part to smartphones and the internet -- will they be met with opportunity or frustration? As President of the World Bank Group, Jim Yong Kim wants to end extreme poverty and boost shared prosperity. He shares how the institution is working to improve the health and financial futures of people in the poorest countries by boosting investment and de-risking development.

"Awoo" | Sofi Tukker

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Electro-pop duo Sofi Tukker dance it out with the TED audience in a performance of their upbeat, rhythmic song "Awoo," featuring Betta Lemme.

Science didn't understand my kids' rare disease until I decided to study it | Sharon Terry

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Meet Sharon Terry, a former college chaplain and stay-at-home mom who took the medical research world by storm when her two young children were diagnosed with a rare disease known as pseudoxanthoma elasticum (PXE). In this knockout talk, Terry explains how she and her husband became citizen scientists, working midnight shifts at the lab to find the gene behind PXE and establishing mandates that require researchers to share biological samples and work together.

When I die, recompose me | Katrina Spade

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What if our bodies could help grow new life after we die, instead of being embalmed and buried or turned to ash? Join Katrina Spade as she discusses "recomposition" -- a system that uses the natural decomposition process to turn our deceased into life-giving soil, honoring both the earth and the departed.

How I built a jet suit | Richard Browning

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We've all dreamed of flying -- but for Richard Browning, flight is an obsession. He's built an Iron Man-like suit that leans on an elegant collaboration of mind, body and technology, bringing science fiction dreams a little closer to reality. Learn more about the trial and error process behind his invention and take flight with Browning in an unforgettable demo.

Why you should define your fears instead of your goals | Tim Ferriss

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The hard choices -- what we most fear doing, asking, saying -- are very often exactly what we need to do. How can we overcome self-paralysis and take action? Tim Ferriss encourages us to fully envision and write down our fears in detail, in a simple but powerful exercise he calls "fear-setting." Learn more about how this practice can help you thrive in high-stress environments and separate what you can control from what you cannot.

12 truths I learned from life and writing | Anne Lamott

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A few days before she turned 61, writer Anne Lamott decided to write down everything she knew for sure. She dives into the nuances of being a human who lives in a confusing, beautiful, emotional world, offering her characteristic life-affirming wisdom and humor on family, writing, the meaning of God, death and more.

What happens in your brain when you pay attention? | Mehdi Ordikhani-Seyedlar

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Attention isn't just about what we focus on -- it's also about what our brains filter out. By investigating patterns in the brain as people try to focus, computational neuroscientist Mehdi Ordikhani-Seyedlar hopes to build computer models that can be used to treat ADHD and help those who have lost the ability to communicate. Hear more about this exciting science in this brief, fascinating talk.

To understand autism, don't look away | Carina Morillo

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Carina Morillo knew almost nothing about autism when her son Ivan was diagnosed -- only that he didn't speak or respond to words, and that she had to find other ways to connect with him. She shares how she learned to help her son thrive by being curious along with him. (In Spanish with English subtitles)

Why glass towers are bad for city life -- and what we need instead | Justin Davidson

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There's a creepy transformation taking over our cities, says architecture critic Justin Davidson. From Houston, Texas to Guangzhou, China, shiny towers of concrete and steel covered with glass are cropping up like an invasive species. Rethink your city's anatomy as Davidson explains how the exteriors of building shape the urban experience -- and what we lose when architects stop using the full range of available materials.

How to see past your own perspective and find truth | Michael Patrick Lynch

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The more we read and watch online, the harder it becomes to tell the difference between what's real and what's fake. It's as if we know more but understand less, says philosopher Michael Patrick Lynch. In this talk, he dares us to take active steps to burst our filter bubbles and participate in the common reality that actually underpins everything.

How to design a library that makes kids want to read | Michael Bierut

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When Michael Bierut was tapped to design a logo for public school libraries, he had no idea that he was embarking on a years-long passion project. In this often hilarious talk, he recalls his obsessive quest to bring energy, learning, art and graphics into these magical spaces where school librarians can inspire new generations of readers and thinkers.

Songs that bring history to life | Rhiannon Giddens

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Rhiannon Giddens pours the emotional weight of American history into her music. Listen as she performs traditional folk ballads -- including "Waterboy," "Up Above My Head," and "Lonesome Road" by Sister Rosetta Tharp -- and one glorious original song, "Come Love Come," inspired by Civil War-era slave narratives.

No one should die because they live too far from a doctor | Raj Panjabi

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Illness is universal -- but access to care is not. Physician Raj Panjabi has a bold vision to bring health care to everyone, everywhere. With the 2017 TED Prize, Panjabi is building the Community Health Academy, a global platform that aims to modernize how community health workers learn vital skills, creating jobs along the way.

Am I not human? A call for criminal justice reform | Marlon Peterson

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For a crime he committed in his early twenties, the courts sentenced Marlon Peterson to 10 years in prison -- and, as he says, a lifetime of irrelevance. While behind bars, Peterson found redemption through a penpal mentorship program with students from Brooklyn. In this brave talk, he reminds us why we should invest in the humanity of those people society would like to disregard and discard.

Don't fear intelligent machines. Work with them | Garry Kasparov

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We must face our fears if we want to get the most out of technology -- and we must conquer those fears if we want to get the best out of humanity, says Garry Kasparov. One of the greatest chess players in history, Kasparov lost a memorable match to IBM supercomputer Deep Blue in 1997. Now he shares his vision for a future where intelligent machines help us turn our grandest dreams into reality.

How pollution is changing the ocean's chemistry | Triona McGrath

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As we keep pumping carbon dioxide into the atmosphere, more of it is dissolving in the oceans, leading to drastic changes in the water's chemistry. Triona McGrath researches this process, known as ocean acidification, and in this talk she takes us for a dive into an oceanographer's world. Learn more about how the "evil twin of climate change" is impacting the ocean -- and the life that depends on it.

How to find a wonderful idea | OK Go

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Where does OK Go come up with ideas like dancing in zero gravity, performing in ultra slow motion or constructing a warehouse-sized Rube Goldberg machine for their music videos? In between live performances of "This Too Shall Pass" and "The One Moment," lead singer and director Damian Kulash takes us inside the band's creative process, showing us how to look for wonder and surprise.

A secret weapon against Zika and other mosquito-borne diseases | Nina Fedoroff

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Where did Zika come from, and what can we do about it? Molecular biologist Nina Fedoroff takes us around the world to understand Zika's origins and how it spread, proposing a controversial way to stop the virus -- and other deadly diseases -- by preventing infected mosquitoes from multiplying.

This is what democracy looks like | Anthony D. Romero

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In a quest to make sense of the political environment in the United States in 2017, lawyer and ACLU executive director Anthony D. Romero turned to a surprising place -- a 14th-century fresco by Italian Renaissance master Ambrogio Lorenzetti. What could a 700-year-old painting possibly teach us about life today? Turns out, a lot. Romero explains all in a talk that's as striking as the painting itself.

Why I speak up about living with epilepsy | Sitawa Wafula

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Once homebound by epilepsy, mental health advocate Sitawa Wafula found her strength in writing about it. Now, she advocates for others who are yet to find their voices, cutting through stigma and exclusion to talk about what it's like to live with the condition.

Poverty isn't a lack of character; it's a lack of cash | Rutger Bregman

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"Ideas can and do change the world," says historian Rutger Bregman, sharing his case for a provocative one: guaranteed basic income. Learn more about the idea's 500-year history and a forgotten modern experiment where it actually worked -- and imagine how much energy and talent we would unleash if we got rid of poverty once and for all.

When Black women walk, things change | T. Morgan Dixon and Vanessa Garrison

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T. Morgan Dixon and Vanessa Garrison, founders of the health nonprofit GirlTrek, are on a mission to reduce the leading causes of preventable death among Black women -- and build communities in the process. How? By getting one million women and girls to prioritize their self-care, lacing up their shoes and walking in the direction of their healthiest, most fulfilled lives.

Why school should start later for teens | Wendy Troxel

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Teens don't get enough sleep, and it's not because of Snapchat, social lives or hormones -- it's because of public policy, says Wendy Troxel. Drawing from her experience as a sleep researcher, clinician and mother of a teenager, Troxel discusses how early school start times deprive adolescents of sleep during the time of their lives when they need it most.

A climate solution where all sides can win | Ted Halstead

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Why are we so deadlocked on climate, and what would it take to overcome the seemingly insurmountable barriers to progress? Policy entrepreneur Ted Halstead proposes a transformative solution based on the conservative principles of free markets and limited government. Learn more about how this carbon dividends plan could trigger an international domino effect towards a more popular, cost-effective and equitable climate solution.

What makes life worth living in the face of death | Lucy Kalanithi

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In this deeply moving talk, Lucy Kalanithi reflects on life and purpose, sharing the story of her late husband, Paul, a young neurosurgeon who turned to writing after his terminal cancer diagnosis. "Engaging in the full range of experience -- living and dying, love and loss -- is what we get to do," Kalanithi says. "Being human doesn't happen despite suffering -- it happens within it."

3 principles for creating safer AI | Stuart Russell

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How can we harness the power of superintelligent AI while also preventing the catastrophe of robotic takeover? As we move closer toward creating all-knowing machines, AI pioneer Stuart Russell is working on something a bit different: robots with uncertainty. Hear his vision for human-compatible AI that can solve problems using common sense, altruism and other human values.

Thoughts on humanity, fame and love | Shah Rukh Khan

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"I sell dreams, and I peddle love to millions of people," says Shah Rukh Khan, Bollywood's biggest star. In this charming, funny talk, Khan traces the arc of his life, showcases a few of his famous dance moves and shares hard-earned wisdom from a life spent in the spotlight.

How human noise affects ocean habitats | Kate Stafford

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Oceanographer Kate Stafford lowers us into the sonically rich depths of the Arctic Ocean, where ice groans, whales sing to communicate over vast distances -- and climate change and human noise threaten to alter the environment in ways we don't understand. Learn more about why this underwater soundscape matters and what we might do to protect it.

Poetry, music and identity | Jorge Drexler

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One night in 2002, a friend gave Jorge Drexler the chorus to a song and challenged him to write the rest of it using a complex, poetic form known as the "Décima." In this fascinating talk, Drexler examines the blended nature of identity, weaving together the history of the Décima with his own quest to write one. He closes the talk with a performance of the resulting song, "La Milonga del Moro Judío." (In Spanish with English subtitles)

The biology of our best and worst selves | Robert Sapolsky

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How can humans be so compassionate and altruistic -- and also so brutal and violent? To understand why we do what we do, neuroscientist Robert Sapolsky looks at extreme context, examining actions on timescales from seconds to millions of years before they occurred. In this fascinating talk, he shares his cutting edge research into the biology that drives our worst and best behaviors.

A tribute to nurses | Carolyn Jones

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Carolyn Jones spent five years interviewing, photographing and filming nurses across America, traveling to places dealing with some of the nation's biggest public health issues. She shares personal stories of unwavering dedication in this celebration of the everyday heroes who work at the front lines of health care.

A summer school kids actually want to attend | Karim Abouelnaga

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In the US, most kids have a very long summer break, during which they forget an awful lot of what they learned during the school year. This "summer slump" affects kids from low-income neighborhoods most, setting them back almost three months. TED Fellow Karim Abouelnaga has a plan to reverse this learning loss. Learn how he's helping kids improve their chances for a brighter future.

There's no shame in taking care of your mental health | Sangu Delle

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When stress got to be too much for TED Fellow Sangu Delle, he had to confront his own deep prejudice: that men shouldn't take care of their mental health. In a personal talk, Delle shares how he learned to handle anxiety in a society that's uncomfortable with emotions. As he says: "Being honest about how we feel doesn't make us weak -- it makes us human."

How (and why) Russia hacked the US election | Laura Galante

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Hacking, fake news, information bubbles ... all these and more have become part of the vernacular in recent years. But as cyberspace analyst Laura Galante describes in this alarming talk, the real target of anyone looking to influence geopolitics is dastardly simple: it's you.

Behind the lies of Holocaust denial | Deborah Lipstadt

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"There are facts, there are opinions, and there are lies," says historian Deborah Lipstadt, telling the remarkable story of her research into Holocaust deniers -- and their deliberate distortion of history. Lipstadt encourages us all to go on the offensive against those who assault the truth and facts. "Truth is not relative," she says.

The future we're building -- and boring | Elon Musk

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Elon Musk discusses his new project digging tunnels under LA, the latest from Tesla and SpaceX and his motivation for building a future on Mars in conversation with TED's Head Curator, Chris Anderson.

What you can do to prevent Alzheimer's | Lisa Genova

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Alzheimer's doesn't have to be your brain's destiny, says neuroscientist and author of "Still Alice," Lisa Genova. She shares the latest science investigating the disease -- and some promising research on what each of us can do to build an Alzheimer's-resistant brain.

On tennis, love and motherhood | Serena Williams and Gayle King

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Twenty-three Grand Slam titles later, tennis superstar Serena Williams sits down with journalist Gayle King to share a warm, mischievous conversation about her life, love, wins and losses -- starting with the story of how she accidentally shared her pregnancy news with the world.