TED Alert

When are humans most happy? To gather data on this question, Matt Killingsworth built an app, Track Your Happiness, that let people report their feelings in real time. Among the surprising results: We're often happiest when we're lost in the moment. And the flip side: The more our mind wanders, the less happy we can be.
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Flags are one of the simplest yet most powerful pieces of design ever conceived. They can make us swell with pride, burn with hatred -- and even inspire people to die or kill in their name, says vexillologist Michael Green. Take a brief walk through history as Green explores the symbolic fervor behind flags that unify and divide, inviting us to imagine a future where we can come together under one collective identity: humanity.
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Nearly half a million people in the US are in jail right now without being convicted of a crime, simply because they can't come up with the money to pay cash bail. To try and fix this system, public defender and activist Robin Steinberg asked a straightforward question: What if we paid bail for them? In conversation with TED Radio Hour host Manoush Zomorodi, Steinberg shares how her nonprofit The Bail Project -- which uses a revolving fund to post bail for those who can't afford it -- is scaling up their efforts across the country and rolling out a new community-based model to fight mass incarceration. 
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When Shaka Senghor and Ebony Roberts ended their relationship, they made a pact to protect their son from its fallout. What resulted was a poetic meditation on what it means to raise a child together, yet apart. In this moving and deeply personal talk, Senghor and Roberts share their approach to co-parenting -- an equal, active partnership that rolls with the punches and revels in the delights of guiding their child through the world with thought and intention.
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When you stop comparing yourself to others, you can accomplish great things, says wheelchair athlete Dean Furness. He shares how, after losing the use of his legs in an accident, he discovered a powerful new mindset focused on redefining his "personal average" and getting better little by little.
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Racism makes our economy worse -- and not just in ways that harm people of color, says public policy expert Heather C. McGhee. From her research and travels across the US, McGhee shares startling insights into how racism fuels bad policymaking and drains our economic potential -- and offers a crucial rethink on what we can do to create a more prosperous nation for all. "Our fates are linked," she says. "It costs us so much to remain divided." Learn More

When it comes to big life problems, we often stand at a crossroads: either believe we're powerless against great change, or we rise to meet the challenge. In an urgent call to action, political strategist Tom Rivett-Carnac makes the case for adopting a mindset of "stubborn optimism" to confront climate change -- or whatever crisis may come our way -- and sustain the action needed to build a regenerative future. As he puts it: "Stubborn optimism can fill our lives with meaning and purpose." Learn More

When we think of veterans, we often think of quasi-functional members of society who are in desperate need of our help. In this talk, Rajiv Chandrasekaran turns that single story on its head and shows how US veterans serve at the frontlines of service to communities around the world. His message is simple: Instead of focusing on how to help veterans, we should instead focus on how veterans can help us to be better people. Learn More

How do doctors in the emergency room stay calm and focused amidst the chaos? Drawing on years of experience, ER doctor Darria Long shares a straightforward framework to help you take back control and feel less overwhelmed when life starts to get "crazy busy." Learn More

By some estimates, work-related stress drains the US economy of nearly 300 billion dollars a year - and it can hurt your productivity and personal health too, says wellness advocate Rob Cooke. He shares some strategies to help put your mental, physical and emotional well-being back at the forefront. Learn More

Recounting her story of finding opportunity and stability in the US, Elizabeth Camarillo Gutierrez examines the flaws in narratives that simplify and idealize the immigrant experience -- and shares hard-earned wisdom on the best way to help those around us. "Our world is one that flourishes when different voices come together," she says. Learn More

How can we stop the next pandemic before it starts? Disease researchers Pardis Sabeti and Christian Happi introduce Sentinel, an early warning system that detects and tracks viral threats in real time -- and could help stop them before they spread. Learn more about the cutting-edge technology that powers the system and how the Sentinel team is helping scientists and health workers during the coronavirus pandemic. Learn More

Every culture assigns stigma or value to different styles and levels of emotional expression, creating an instinct to repress or reject feelings associated with discomfort. Psychotherapist Artūrs Miksons lays out the benefits of discarding unhelpful social stigma and explains why expressing our emotions constructively can help build resilience to endure trying times. Learn More

Before the coronavirus pandemic, bioengineer Jim Collins and his team combined the power of AI with synthetic biology in an effort to combat a different looming crisis: antibiotic-resistant superbugs. Collins explains how they pivoted their efforts to begin developing a series of tools and antiviral compounds to help fight COVID-19 -- and shares their plan to discover seven new classes of antibiotics over the next seven years. Learn More

Sleep is your life-support system and Mother Nature's best effort yet at immortality, says sleep scientist Matt Walker. In this deep dive into the science of slumber, Walker shares the wonderfully good things that happen when you get sleep -- and the alarmingly bad things that happen when you don't, for both your brain and body. Learn more about sleep's impact on your learning, memory, immune system and even your genetic code -- as well as some helpful tips for getting some shut-eye. Learn More

How does your genetic inheritance, culture and history influence your health? Biological anthropologist Lara Durgavich discusses the field of evolutionary medicine as a gateway to understanding the quirks of human biology -- including why a genetic mutation can sometimes have beneficial effects -- and emphasizes how unraveling your own evolutionary past could glean insights into your current and future health. Learn More

Privacy isn't dead, but face surveillance technology might kill it, says civil rights advocate Kade Crockford. In an eye-opening talk, Kade outlines the startling reasons why this invasive technology -- powered by often-flawed facial recognition databases that track people without their knowledge -- poses unprecedented threats to your fundamental rights. Learn More

Curious how stuff works? Do a hands-on experiment at home, says physicist Nadya Mason. She shows how you can demystify the world around you by tapping into your scientific curiosity -- and performs a few onstage experiments of her own using magnets, dollar bills, dry ice and more. Learn More

To understand what makes marriages work, we need to talk about why they sometimes end, says family law professor Jeannie Suk Gersen. Follow along as she lays out three ways that thinking about marital decisions through the lens of divorce can help you better navigate togetherness from the beginning. Learn More

Did you know that one of the most notorious poisons is also a key ingredient for life as we know it? Join space chemist Karin Öberg and learn how she scans the universe in search of this paradoxical chemical using ALMA, the world's largest radio telescope, to detect hotbeds of molecular activity and the formation of life-sustaining planets. Learn More

It was one of the strangest trials in Dutch history. The defendant in a 1947 case was an art forger who had counterfeited millions of dollars worth of paintings. But he wasn't arguing his innocence- in fact, his life depended on proving that he had committed fraud. Who was this artist, and why was he on trial for his life? Noah Charney investigates the notorious Han van Meegeren. Learn More

Business management in China is changing, says consultant Fang Ruan. Learn how Chinese entrepreneurs -- long guided by Confucianism's emphasis on authority and regulation -- are now looking to Taoist philosophy for a new, dynamic leadership style that believes things spontaneously transform and naturally achieve perfection when they're supported, not controlled. Learn More

"Autism is not a disease; it's just another way of thinking," says Ethan Lisi. Offering a glimpse into the way he experiences the world, Lisi breaks down misleading stereotypes about autism, shares insights into common behaviors like stimming and masking and promotes a more inclusive understanding of the spectrum. Learn More

Equity expert Sara Sanford offers a certified playbook that helps companies go beyond good intentions, using a data-driven standard to actively counter unconscious bias and foster gender equity -- by changing how workplaces operate, not just how people think. Learn More

Pardons, commutations and bankruptcy laws are all tools of forgiveness within the US legal system. Are we using them frequently enough, and with fairness? Law professor Martha Minow outlines how these merciful measures can reinforce racial and economic inequality -- and makes the case for creating a system of restorative justice that focuses on accountability and reconciliation rather than punishment. Learn More

If you're feeling anxious or fearful during the coronavirus pandemic, you're not alone. Offering hope and understanding, author Elizabeth Gilbert reflects on how to stay present, accept grief when it comes and trust in the strength of the human spirit. "Resilience is our shared genetic inheritance," she says. Learn More

The common thinking on biological sex goes like this: females have two X chromosomes in their cells, while males have one X and one Y. In this myth-busting talk, science writer and podcaster Molly Webster shows why the so-called "sex chromosomes" are more complicated than this simple definition - and reveals why we should think about them differently. Learn More

In this eye-opening talk, digital rights expert Kathy Kleiman describes her efforts to uncover the hidden story behind an old photograph she found as an undergraduate researcher. Despite showing both men and women working on the groundbreaking Electronic Numerical Integrator and Computer (ENIAC) in 1946, the caption only named the men. What followed for Kleiman was a years-long journey to locate and celebrate the achievements of these pioneering women - ENIAC's first programmers. Learn More

Flanked by two powerful nations, the English Channel has long been one of the world's most important maritime passages. Yet for most of its history, crossing was a dangerous prospect. Engineers proposed numerous plans for spanning the gap, including a design for an underwater passage more than twice the length of any existing tunnel. Alex Gendler details the creation of the Channel Tunnel. Learn More

Where did the new coronavirus originate, how did it spread so fast - and what's next? Sharing insights from the outbreak, global health expert and TED Fellow Alanna Shaikh traces the spread of COVID-19, discusses why travel restrictions aren't effective and highlights the medical changes needed worldwide to prepare for the next pandemic. "We need to make sure that every country in the world has the capacity to identify new diseases and treat them," she says. Recorded March 5, 2020. Learn More

Author Priya Parker shares tools for creating meaningful connections with friends, family and coworkers during the coronavirus pandemic -- and shows how we can take advantage of gatherings that are unique to this moment of social distancing. "We don't necessarily need to gather more," she says. "We need to gather better." Learn More

More than a billion people worldwide, mostly children, do not have a legal identity. In many countries, this means they can't get access to vital services like health care and education, says legal identity expert Kristen Wenz. She discusses why this problem is one of the greatest human rights violations of our time -- and shares five strategies to ensure everyone can get registered and protected. Learn More

"Life's beauty is inseparable from its fragility," says psychologist Susan David. In a special virtual conversation, she shares wisdom on how to build resilience, courage and joy in the midst of the coronavirus pandemic. Responding to listeners' questions from across the globe, she offers ways to talk to your children about their emotions, keep focus during the crisis and help those working on the front lines. Learn More

What if you could repay loans through volunteering and mentorship instead of money? Activist Angie Murimirwa shares how a game-changing economic tool known as "social interest" is reinvigorating sub-Saharan communities once trapped in cycles of poverty. Join her as she explains how this approach to lending is creating opportunities for thousands of African women and girls - and shows why this model can be replicated anywhere with lasting effects. Learn More

How comfortable are you with robots taking over your life? Covering a wide range of potential applications - from the mundane (robot house cleaner) to the mischievous (robot sex partner) to the downright macabre (uploading your brain to live on after death) - technology strategist Lucy Farey-Jones shares data-backed evidence of how our willingness to accept AI may be radically changing. Learn More

Have you ever wondered how your ears work? In this delightful and fascinating talk, biophysicist Jim Hudspeth demonstrates the wonderfully simple yet astonishingly powerful mechanics of hair cells, the microscopic powerhouses that make hearing possible - and explains how, when it's really quiet, your ears will begin to beam out a spectrum of sounds unique to you. Learn More

The world is more connected than ever, but some communities are still cut off from vital resources like electricity and health care. In this solution-oriented talk, activist Johanna Figueira discusses her work with Code for Venezuela -- a platform that gathers technologists to address Venezuela's needs for information and medical supplies -- and shares ideas for how it could be used as a model to help other communities in need. Learn More

Activist and historian Curtis Austin was labeled a felon after being questioned about his research on the Black Panther Party. In this eye-opening talk, he lays out the history of the organization and its political successes, explaining how his experience reflects the group's misrepresented legacy. Learn More

The climate crisis is too vast and complicated to solve with a silver bullet, says author David Wallace-Wells. What we need is a shift in how we live. Follow along as he lays out some of the dramatic actions we could take to build a livable, prosperous world in the age of global warming. Learn More

It's time to change the way we prepare people for success, says Patrick Lencioni. Drawing from his own observations, he makes a compelling case that, in our increasingly team-oriented world, the key to success is being humble, ambitious and smart. Learn More

"Full access to a person's phone is the next best thing to full access to a person's mind," says cybersecurity expert Eva Galperin. In an urgent talk, she describes the emerging danger of stalkerware -- software designed to spy on someone by gaining access to their devices without their knowledge -- and calls on antivirus companies to recognize these programs as malicious in order to discourage abusers and protect victims. Learn More

In this talk and tech demo, filmmaker Diego Prilusky introduces the next chapter in moviemaking: volumetric video, a 360-degree experience powered by hundreds of cameras that capture light and motion from every angle. Check out how this technology creates a new type of immersive storytelling -- and catch Prilusky's reshoot of an iconic dance number from "Grease" captured with volumetric video. Learn More

In this personal talk, nuclear chemist Clarice Phelps -- the first African-American woman involved in the discovery of a chemical element -- debunks the myth of solitary genius and challenges institutional elitism by sharing stories of women of color making their way in science. Learn More

A new drug reduces the risk of heart attacks by 40%. Shark attacks are up by a factor of two. Drinking a liter of soda per day doubles your chance of developing cancer. These are all examples of a common way risk is presented in news articles, and can often be misleading. So how can we better evaluate risk? Learn More

Nearly 1,800 newsrooms have shuttered across the US since 2004, leaving many communities unseen, unheard and in the dark. In this passionate talk and rallying cry, journalist Chuck Plunkett explains why he rebelled against his employer to raise awareness for an industry under threat of extinction -- and makes the case for local news as an essential part of any healthy democracy. Learn More

"Branding is the profound manifestation of the human spirit," says designer and podcaster Debbie Millman. In a historical odyssey that she illustrated herself, Millman traces the evolution of branding, from cave paintings to flags to beer labels and beyond. She explores the power of symbols to unite people, beginning with prehistoric communities who used them to represent beliefs and identify affiliations to modern companies that adopt logos and trademarks to market their products -- and explains how branding reflects the state of humanity. Learn More

It's normal to feel anxious or overwhelmed by climate change, says psychologist Renée Lertzman. Can we turn those feelings into something productive? In an affirming talk, Lertzman discusses the emotional effects of climate change and offers insights on how psychology can help us discover both the creativity and resilience needed to act on environmental issues. Learn More

Air pollution knows no borders -- even in your own body, says public health expert María Neira. In this startling talk, she describes how the microscopic particles and chemicals you breathe affect all your major organs (including your brain) and calls on both the public and those in power to take action to stop the sources of pollution. Learn More

In a tech-obsessed culture, it can be difficult to build genuine relationships with people, especially in the workplace. Robert Reffkin shares his tips and tricks for establishing authentic connections on the job. Learn More

Tribology: it's a funny-sounding word you might not have heard before, but it could change how you see and interact with the physical world, says mechanical engineer Jennifer Vail. Offering lessons from tribology -- the study of friction and wear -- Vail describes the surprisingly varied ways it impacts everyday life and how it could help us make a better world. Learn More

Humans have been coming up with ways to give constructive criticism for centuries, but somehow we're still pretty terrible at it. Cognitive psychologist LeeAnn Renninger shares a scientifically proven method for giving effective feedback. Learn More

"Everything that we think of as world history would not have taken place without the compass." TED science curator David Biello explains how the device changed our relationship to the world. Learn More

Our obsession with productivity -- to-do lists, life hacks, morning routines -- is making us less productive, says digital anthropologist Rahaf Harfoush. She explains why we need to redesign our workday around creativity -- not just efficiency. Learn More

"A political cartoon is a barometer of freedom," says Rayma Suprani, who was exiled from her native Venezuela for publishing work critical of the government. "That's why dictators hate cartoonists." In a talk illustrated with highlights from a career spent railing against totalitarianism, Suprani explores how cartoons hold a mirror to society and reveal hidden truths -- and discusses why she keeps drawing even when it comes at a high personal cost. In Spanish with consecutive English translation. Learn More

In a world of endless reviews and options, it's easy to become paralyzed by indecision. Investor and writer Patrick McGinnis shares the dangers of "FOBO" -- the fear of better options -- and how to overcome it. Learn More

When you think of telecommuting, you might think of a remote colleague's face in a tiny square on a screen. But with Jinha Lee's augmented reality platform, Spatial, distant coworkers can now teleport as digital avatars into a shared virtual space. Check out the incredible potential and possibilities for colleagues on different continents or in different time zones to collaborate as if they were physically together in a virtually enhanced workroom. Learn More

When we witness something amazing, many of us instinctively pull out our phones and snap pictures. Is this obsession with photographing everything impacting our experiences? In a meditative talk, Erin Sullivan reflects on how being more intentional with her lens enhanced her ability to enjoy the moment -- and could help you do the same, too. Learn More

Some common life-saving medicines, such as insulin, are made of proteins so large and fragile that they need to be injected instead of ingested as pills. But a new generation of medicine -- made from smaller, more durable proteins known as peptides -- is on its way. In a quick, informative talk, molecular engineer and TED Fellow Christopher Bahl explains how he's using computational design to create powerful peptides that could one day neutralize the flu, protect against botulism poisoning and even stop cancer cells from growing. Learn More

There's no shortage of resources to help people change their health behaviors -- but far too often, these resources aren't accessible in underserved communities, says physician Priscilla Pemu. Enter "culturally congruent coaching," a program Pemu and her team developed to help patients with chronic diseases monitor their health with the assistance of a coach from their community. Learn more about how this approach transcends language and cultural barriers -- and could potentially transform health care in America. Learn More

"If DNA is the blueprint of life, enzymes are the laborers that carry out its instructions," says chemical biologist Adam Garske. In this fun talk and demo, he shows how scientists can now edit and design enzymes for specific functions -- to help treat diseases like diabetes, create energy-efficient laundry detergent and even capture greenhouse gases -- and performs his own enzyme experiment onstage. Learn More

Given the option, few would choose to buy products that harm the earth -- yet it's nearly impossible to know how most consumer goods are made or where they're sourced from. That's about to change, says supply chain innovator Markus Mutz. He shares how he used blockchain technology to track Patagonian toothfish on their journey from ocean to dinner plate -- and proved it's possible to offer consumers a product they can trust. Learn More

The United States can create a more humane immigration system; in fact, it's been done before, says policy analyst David J. Bier. Pointing to the historical success of the US guest worker program, which allows foreign workers to legally enter and work in the country, Bier shows why expanding the program to Central Americans could alleviate the border crisis and provide new opportunities for immigrants. Learn More

In this deeply charming and humorous talk, DJ and self-professed pirate Tom Nash meditates on how facing adversity due to disability invited patience, ambition and pragmatism into his life in enlightening, unexpected ways. "We all have unique weaknesses," he says. "If we're honest about what they are, we can learn how to best take advantage of them." Learn More

Scientists predict climate change will displace more than 180 million people by 2100 -- a crisis of "climate migration" the world isn't ready for, says disaster recovery lawyer and Louisiana native Colette Pichon Battle. In this passionate, lyrical talk, she urges us to radically restructure the economic and social systems that are driving climate migration -- and caused it in the first place -- and shares how we can cultivate collective resilience, better prepare before disaster strikes and advance human rights for all. Learn More

The UN predicts that antimicrobial resistance will be our biggest killer by 2050. "That should really scare the hell out of all of us," says bioprocess engineer Leon Marchal. He's working on an urgently needed solution: transforming the massive, global animal feed industry. Learn why the overuse of antibiotics in animal products, from livestock feed to everyday pet treats, has skyrocketed worldwide -- and how we can take common-sense measures to stave off a potential epidemic. Learn More

Between 2006 and 2016, the number of drug patents granted in the United States doubled -- but not because there was an explosion in invention or innovation. Drug companies have learned how to game the system, accumulating patents not for new medicines but for small changes to existing ones, which allows them to build monopolies, block competition and drive prices up. Health justice lawyer Priti Krishtel sheds light on how we've lost sight of the patent system's original intent -- and offers five reforms for a redesign that would serve the public and save lives. Learn More

Roughly 85 percent of mass in the universe is "dark matter" -- mysterious material that can't be directly observed but has an immense influence on the cosmos. What exactly is this strange stuff, and what does it have to do with our existence? Astrophysicist Risa Wechsler explores why dark matter may be the key to understanding how the universe formed -- and shares how physicists in labs around the world are coming up with creative ways to study it. Learn More

What if we could "grow" clothes from microbes, furniture from living organisms and buildings with exteriors like tree bark? TED Fellow Suzanne Lee shares exciting developments from the field of biofabrication and shows how it could help us replace major sources of waste, like plastic and cement, with sustainable and eco-friendly alternatives. Learn More

Tobacco use remains the leading cause of preventable disease and death in the United States, killing more people each year than alcohol, AIDS, car accidents, illegal drugs, murder and suicide combined. Follow health policy expert Mitch Zeller into the murky depths of the tobacco industry as he details the sordid history of nicotine addiction -- and invites us to imagine a world where policy change helps stop people from becoming addicted in the first place. Learn More

Humanity is on its way to creating a "black ball": a technological breakthrough that could destroy us all, says philosopher Nick Bostrom. In this incisive, surprisingly light-hearted conversation with Head of TED Chris Anderson, Bostrom outlines the vulnerabilities we could face if (or when) our inventions spiral beyond our control -- and explores how we can prevent our future demise. Learn More

In a complex and changing world, how can we make sure unconventional people and their ideas thrive? Business executive Ipsita Dasgupta introduces the concept of "co-conspirators" -- people willing to bend or break the rules to challenge the status quo -- and shows how they can help create new ways of thinking, acting and being. Learn More

How can we tap into the potential of all students, especially those who come from disadvantaged backgrounds? Sociologist Anindya Kundu invites us to take a deeper look at the personal, social and institutional challenges that keep students from thriving in the United States -- and shows how closing this "opportunity gap" means valuing public education for what it really is: the greatest investment in our collective future. Learn More

After being diagnosed with a rare genetic condition that deteriorates muscle, Cara E. Yar Khan was told she'd have to limit her career ambitions and dial down her dreams. She ignored that advice and instead continued to pursue her biggest ambitions. In this powerful, moving talk, she shares her philosophy for working on the projects that matter to her most -- while letting courage and fear coexist. Watch for heart-stopping, vertigo-inducing footage of a trip that shows her living her theory to the full. Learn More

We've all heard the theories on why the dinosaurs died -- but how did they come to dominate the earth for so long in the first place? (Hint: it has nothing to do with their size, speed, spikes or fantastic feathers.) Travel back in time to 200 million years before their extinction with paleontologist Emma Schachner for a breath of fresh air on dinosaur history. Learn More

What if you never had to fill out paperwork again? In Estonia, this is a reality: citizens conduct nearly all public services online, from starting a business to voting from their laptops, thanks to the nation's ambitious post-Soviet digital transformation known as "e-Estonia." One of the program's experts, Anna Piperal, explains the key design principles that power the country's "e-government" -- and shows why the rest of the world should follow suit to eradicate outdated bureaucracy and regain citizens' trust. Learn More

Valorie Kondos Field knows a lot about winning. As the longtime coach of the UCLA women's gymnastics team, she won championship after championship and has been widely acclaimed for her leadership. In this inspiring, brutally honest and, at times, gut-wrenching talk, she shares the secret to her success. Hint: it has nothing to do with "winning." Learn More

Fake news can sway elections, tank economies and sow discord in everyday life. Data scientist Sinan Aral demystifies how and why it spreads so quickly -- citing one of the largest studies on misinformation -- and identifies five strategies to help us unweave the tangled web between true and false. Learn More

Feeling burned out? You may be spending too much time ruminating about your job, says psychologist Guy Winch. Learn how to stop worrying about tomorrow's tasks or stewing over office tensions with three simple techniques aimed at helping you truly relax and recharge after work. Learn More

In a world that's wasting more food than ever before, why do one in nine people still go to bed hungry each night? Social entrepreneur Jasmine Crowe calls for a radical transformation to our fight to end global hunger -- challenging us to rethink our routine approaches to addressing food insecurity and sharing how we can use technology to gather unused food and deliver it directly to people in need. Learn More

We are all connected by the spectacular birth, death and rebirth of stars, says astrophysicist Enrico Ramirez-Ruiz. Journey through the cosmic history of the universe as Ramirez-Ruiz explains how supernovas forged the elements of life to create everything from the air you breathe to the very atoms that make you. Learn More

Your lifelong health may have been decided the day you were born, says microbiome researcher Henna-Maria Uusitupa. In this fascinating talk, she shows how the gut microbes you acquire during birth and as an infant impact your health into adulthood -- and discusses new microbiome research that could help tackle problems like obesity and diabetes. Learn More

What's the difference between heroes and leaders? In this insightful talk, Lorna Davis explains how our idolization of heroes is holding us back from solving big problems -- and shows why we need "radical interdependence" to make real change happen. Learn More

Where does wealth come from, who creates it and what destroys it? In this deep dive into global economics, Mariana Mazzucato explains how we lost sight of what value means and why we need to rethink our current financial systems -- so capitalism can be steered toward a bold, innovative and sustainable future that works for all of us. Learn More

Is our obsession with efficiency actually making us less efficient? In this revelatory talk, writer and historian Edward Tenner discusses the promises and dangers of our drive to get things done as quickly as possible -- and suggests seven ways we can use "inspired inefficiency" to be more productive. Learn More

In 1884, an unlucky patient who had a rapidly growing cancer in his neck came down with an unrelated bacterial skin infection. As he recovered from the infection, the cancer surprisingly began to recede. The infection had stimulated the patient's immune system. Today, synthetic biologists program bacteria to safely deliver drugs directly to tumors. How is this possible? Tal Danino investigates. Learn More

Why does modern technology promise efficiency, but leave us constantly feeling pressed for time? Anthropologist Kathryn Bouskill explores the paradoxes of living in a fast-paced society and explains why we need to reconsider the importance of slowing down in a world that demands go, go, go. Learn More

Genuine apology goes beyond remorse, says legendary playwright Eve Ensler. In this frank, wrenching talk, she shares how she transformed her own experience of abuse into wisdom on what wrongdoers can do and say to truly repent -- and offers a four-step roadmap to help begin the process. (This talk contains mature content.) Learn More

Have you ever doubted your abilities, feared you were going to be discovered as a "fraud"? That's called "impostor syndrome," and you're definitely not alone in feeling it, says entrepreneur and CEO Mike Cannon-Brookes. In this funny, relatable talk, he shares how his own experiences of impostor syndrome helped pave the way to his success -- and shows how you can use it to your advantage, too. Learn More

Ever wondered how your smartphone works? Take a journey down to the atomic level with scientist Cathy Mulzer, who reveals how almost every component of our high-powered devices exists thanks to chemists -- and not the Silicon Valley entrepreneurs that come to most people's minds. As she puts it: "Chemistry is the hero of electronic communications." Learn More

We tend to think of therapy as an approach to fixing problems - you go if you're not happy, not when everything seems fine. Clinical psychologist Emily Anhalt shares her experiences as both therapist and patient to make a compelling case that therapy isn't just a means to an end. "It'll drastically increase the depth and authenticity of your happiness," she says. "Making the necessary space for every feeling that lives in between." Learn More

Why do we make poor decisions that we know are bad for our health? In this frank, funny talk, behavioral economist and health policy expert David Asch explains why our behavior is often irrational -- in highly predictable ways -- and shows how we can harness this irrationality to make better decisions and improve our health care system overall. Learn More

What's the best way to get people to change their behavior? In this funny, information-packed talk, psychologist Dan Ariely explores why we make bad decisions even when we know we shouldn't -- and discusses a couple tricks that could get us to do the right thing (even if it's for the wrong reason). Learn More

Certain elements of childhood -- school, play, homework -- are often considered universal by those who live in industrial societies. Evolutionary anthropologist Dorsa Amir draws from her time living in foraging societies to explain how the post-industrial experience of childhood is a relatively new development for humanity with wide-ranging implications for child development and parenting. Learn More

In this quick, fun talk, astronaut Cady Coleman welcomes us aboard the International Space Station, where she spent nearly six months doing experiments that expanded the frontiers of science. Hear what it's like to fly to work, sleep without gravity and live life hurtling at 17,500 miles per hour around the Earth. "The space station is the place where mission and magic come together," Coleman says. Learn More