TED curator Chris Anderson shares his obsession with questions that no one (yet) knows the answers to. A short intro leads into two questions: Why can't we see evidence of alien life? And how many universes are there?

Ashraf Ghani's passionate and powerful 10-minute talk, emphasizing the necessity of both economic investment and design ingenuity to rebuild broken states, is followed by a conversation with TED curator Chris Anderson on the future of Afghanistan.

The fact that no one knows the answer to this question is what makes it exciting. The story of physics has been one of an ever-expanding understanding of the sheer scale of reality, to the point where physicists are now postulating that there may be far more universes than just our own. Chris Anderson explores the thrilling implications of this ...

Why is Al Gore optimistic about climate change? In this spirited talk, Gore asks three powerful questions about the man-made forces threatening to destroy our planet -- and the solutions we're designing to combat them. (Featuring Q&A with TED curator Chris Anderson)

Ashraf Ghani shares his thoughts on peacemaking, the true cost of war, the nation's COVID-19 response strategy and the sweeping economic and social reforms happening throughout the country. (This virtual conversation, hosted by head of TED Chris Anderson, was recorded June 16, 2020.)

Can the interests of an individual nation be reconciled with humanity's greater good? Can a patriotic, nationally elected politician really give people in other countries equal consideration? Following his TEDTalk calling for a global ethic, UK Prime Minister Gordon Brown fields questions from TED Curator Chris Anderson.

What would happen to humanity if generosity went viral? Sharing transformative stories from around the world, head of TED Chris Anderson outlines why the time has come for the internet to realize its power to supercharge small acts of kindness, changing lives at a scale never experienced before. Learn how to cultivate a generous mindset — with o...

Entrepreneur Elon Musk is a man with many plans. The founder of PayPal, Tesla Motors and SpaceX sits down with TED curator Chris Anderson to share details about his visionary projects, which include a mass-marketed electric car, a solar energy leasing company and a fully reusable rocket.

Introducing The TED Interview, a new podcast hosted by head of TED Chris Anderson. As a writer, Elizabeth Gilbert is notorious for placing her heart squarely on her sleeve. Her best-selling memoir "Eat Pray Love" was a sensation precisely because of her eloquent, open-hearted descriptions of fear, divorce and wanting everything life had to offer...

After a surprise appearance by Edward Snowden at TED2014, Chris Anderson said: "If the NSA wants to respond, please do." And yes, they did. Appearing by video, NSA deputy director Richard Ledgett answers Anderson's questions about the balance between security and protecting privacy.

TED's Chris Anderson says the rise of web video is driving a worldwide phenomenon he calls Crowd Accelerated Innovation -- a self-fueling cycle of learning that could be as significant as the invention of print. But to tap into its power, organizations will need to embrace radical openness. And for TED, it means the dawn of a whole new chapter ...

Chris Anderson, then the editor of Wired, explores the four key stages of any viable technology: setting the right price, gaining market share, displacing an established technology and, finally, becoming ubiquitous.

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?

Chris Anderson gave this talk in 2002, prior to taking over leadership of TED. Co-founder Richard Saul Wurman was leaving, and TED's future was in the balance. He seeks to persuade TEDsters that what was then a for-profit conference had a secure future as an idea-based nonprofit endeavor.

Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful. [Directed by Andrew Park, narrated by Chris Anderson].

Philanthropist and Microsoft cofounder Bill Gates offers insights into the COVID-19 pandemic, discussing why testing and self-isolation are essential, which medical advancements show promise and what it will take for the world to endure this crisis. (This virtual conversation is part of the TED Connects series, hosted by head of TED Chris Anders...

How should companies navigate a world of rapid change? Rich Lesser, CEO of Boston Consulting Group, and head of TED Chris Anderson discuss a three-phased approach: flatten, fight, future. In the wake of so much uncertainty, Lesser shares how he's advising business leaders to plan around these phases -- to keep employees safe while continuing to ...

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 explor...

To celebrate TED's 40th anniversary, Head of TED Chris Anderson and TED's founder Richard Saul Wurman reflect on the conference's transformative journey — from its inception as a daring experiment blending technology, entertainment and design to its expansion into a global platform for world-changing ideas. Get a glimpse into the minds behind a ...

What does it take to cultivate a culture of innovation and reinvention at work? Tracing his journey from math teacher to honesty-seeking executive, Netflix co-CEO Reed Hastings describes three key elements of a successful work culture, sharing how to design a company around inspiration, creativity and candor. (This discussion, hosted by head of ...

Legendary primatologist Jane Goodall says that humanity's survival depends on conservation of the natural world. In conversation with head of TED Chris Anderson, she tells the story of her formative days working with chimpanzees, how she transformed from a revered naturalist into a dedicated activist and how she's empowering communities around t...

What has the coronavirus pandemic taught us about ourselves and our relationships? In a deeply personal and wide-ranging conversation, leadership expert Simon Sinek shares his own experience caring for his mental health as the world shut down. He discusses why we need to nurture friendships (in both good times and bad), explains why anyone can b...

As the threat of COVID-19 continues, infectious disease expert and TED Fellow Adam Kucharski answers five key questions about the novel coronavirus, providing necessary perspective on its transmission, how governments have responded and what might need to change about our social behavior to end the pandemic. (This video is excerpted from a 70-mi...

In this live, unedited conversation, Elon Musk -- the head of Tesla, SpaceX, Neuralink and The Boring Company -- digs into the recent news around his bid to purchase Twitter and gets honest about the biggest regret of his career, how his brain works, the future he envisions for the world and a lot more. (This conversation with head of TED Chris ...

COVID-19 will change everything -- and the way we work and learn will be no exception. Will the traditional office structure be a thing of the past? Could our education system start to look more like a lifelong journey? Tech futurist Ben Pring and head of TED Chris Anderson tackle these questions and more in this thought-provoking interview. (Re...

What is AI, really? Jeff Dean, the head of Google's AI efforts, explains the underlying technology that enables artificial intelligence to do all sorts of things, from understanding language to diagnosing disease -- and presents a roadmap for building better, more responsible systems that have a deeper understanding of the world. (Followed by a ...

Yann LeCun, the chief AI scientist at Facebook, helped develop the deep learning algorithms that power many artificial intelligence systems today. In conversation with head of TED Chris Anderson, LeCun discusses his current research into self-supervised machine learning, how he's trying to build machines that learn with common sense (like humans...

Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy? Mia Nacamulli details the health benefits of hydration. [Directed by Chris Bishop, narrated by Addison Anderson].

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. (This virtual conversation is part o...

Richard Branson talks to TED's Chris Anderson about the ups and the downs of his career, from his multibillionaire success to his multiple near-death experiences -- and reveals some of his (very surprising) motivations.