TED Talks Daily (HD video)

Fighting climate change is much like long-distance running: a complex journey filled with obstacles, fast-changing conditions and the need for constant adaptation. Drawing on his own experience as an ultramarathon runner, energy expert Greg de Temmerman charts a path for climate action that balances difficult choices and imperfect solutions with the need for urgent progress.

Human potential will only accelerate with AI answering questions better and faster than ever before, says Aravind Srinivas, cofounder and CEO of conversational search engine Perplexity. He examines the trends driving new AI-powered tools that nourish curiosity and creativity — and how they might usher in a new era of intellectual growth and discovery. "Knowledge does not really care about who you...

Internet filmmaker Baron Ryan talks to himself, but he doesn't always like what he has to say. In a funny, existential play (where Ryan plays both himself and his mind), he contemplates the paradox of being a people pleaser, the efficacy of melatonin gummies and the squirming questions that keep many of us up at night.

AI researcher Youssef Nader and digital archaeologist Julian Schilliger share how they used AI to virtually "unroll" and decode the Herculaneum scrolls, burnt and buried by the eruption of Mount Vesuvius nearly 2,000 years ago. Learn how AI could help decipher a range of artifacts, revealing clues about the mysteries and achievements of the ancient world.

Environmental challenges aren't for just one political party to deal with — everyone must work together to solve them, says conservation champion Danielle Butcher Franz. Drawing on her work with young conservatives mobilizing environmental action, she shares how bridging divides and embracing shared values is the only way to tackle one of the world's biggest problems.

Success rarely happens in a straight line, with setbacks all but guaranteed along the way. What's the best way to recover? Leadership coach Amy Shoenthal lays out the four phases of the "setback cycle" and explains how to transform difficult moments into opportunities for reinvention and progress.

Can marketing transcend traditional business goals and actually be a force for good? Mastercard CMO Raja Rajamannar shares how purpose-driven initiatives — like “touch cards” for the visually impaired and debit cards that let people choose how their names appear — align profit with purpose and position businesses to create meaningful, positive change. (This conversation was hosted by TED's Whitney...

The option to work from home means that work truly works for everyone, says Avani Prabhakar, chief people officer of a large tech company. She explains how flexibility and asynchronous collaboration in a distributed workplace can unlock diverse global talent, level the playing field for introverts and actually increase productivity — without damaging company culture. (Made in partnership with Atla...

How prevalent is solar power, really? According to researcher Jenny Chase, it's already displacing fossil fuels in key energy markets around the world. She explains the rise of affordable solar power and dives into how her team tracked its rapid installation in unexpected countries, offering a vision of a brighter, more sustainable future.

Do you ever feel like time slows down when you’re bored but flies when you’re having fun? Cognitive neuroscientist Irena Arslanova explores the ways your brain and heart shape your perception of time, revealing how your heartbeat doesn’t just keep you alive — it also influences whether moments feel fleeting or stretched.

The clock is ticking on social media giant TikTok, which faces a nationwide ban in the United States unless its parent company, ByteDance, sells it by January 19. Social media theorist Clay Shirky unpacks why the US is trying to ban TikTok, what it means for the app's users and creators and the implications for national security, freedom of speech, US-China relations and more. (This interview, hos...

AI companions could either be the cure to our loneliness epidemic … or humanity's final downfall, says Eugenia Kuyda, creator of Replika — an app that allows you to create AI friends. She explores the potential of this technology to either exacerbate isolation or encourage connection, advocating for an AI whose success is driven not by clicks and screen time but by human happiness and flourishing.

2025 ushers in one of the most dangerous periods in world history — on par with the 1930s and early Cold War, says Ian Bremmer, president and founder of Eurasia Group and GZERO Media. Highlighting the top geopolitical risks for the year ahead, Bremmer explores the impact of Donald Trump’s return to power in the US, the breakdown of the US-China relationship, the consequences of a rogue Russia, the...

Software engineer Adam Munder is on a mission to break down communication barriers between the Deaf and hearing worlds. In a live demo, he introduces OmniBridge — an AI platform that translates American Sign Language into English text in real time — and demonstrates how this tech could ensure every conversation can be fully understood, regardless of the participants' hearing abilities. Munder is j...

Feeding 10 billion people without wrecking the planet means rethinking protein, from plant-based and fermented foods to lab-grown meat that tastes like the real thing. Presenting an exciting menu of sustainable options, food futurist Andy Jarvis highlights innovations, investments and policies that could help drastically lower our carbon footprint and provide everyone with the nourishment they nee...

Where do you draw the line between work and life? Writer Simone Stolzoff explores the problem with defining yourself by your job — and shows what it takes to reclaim your time and sense of meaning beyond the office.

It's time for our periodic update of good news from Angus Hervey, founder of Fix the News, an independent publication that reports stories of global progress. In a quick talk, he shares three major updates of recent human progress on eradicating ancient diseases, establishing massive new ocean sanctuaries and transforming children's rights. (This conversation was recorded on December 2, 2024.)

The end of the year is often a time to reflect and spend time with family — activities that may seem joyful or anxiety-inducing, depending on your circumstances. Psychologist Guy Winch offers actionable advice on how to manage your emotions with confidence during the holidays, from setting boundaries to healing heartache — above all reminding you that emotional health is possible, as long as you'r...

Is embracing your inner teenager the key to thriving in adulthood? Neuroscientist Adriana Galván shares three powerful lessons from decades of research into adolescent brain development, exploring what teens can teach us about embracing uncertainty, challenging the status quo and taking strategic risks — all tools for a bold, brave life.

When it comes to tackling the climate crisis, the majority of the workforce in Africa believes their role is in the labor-intensive, low-income work — not in the strategic, analytical or leadership-based spaces, says climate visionary and entrepreneur Joshua Amponsem. He advocates for a shift in climate funding that fosters local talent and leadership, envisioning a future where African youth are...

Scientists are getting closer to giving humans the power to communicate with their thoughts alone. In a live demo, researcher Chin-Teng Lin shows how brain-computer interfaces can translate a person's neural signals into text on a computer, potentially opening up a new realm of communication that turns silent thought into words.

Gabriella Lascano rose to prominence as a plus-size influencer, advocating for respect at any size with her natural blend of confidence and self-love. She shares how a friend's death led to a candid reassessment of her own health and sparked a viral conversation about the complex intersection of body image, community and personal growth.

When making a big decision, should you trust your gut or follow the data? Emergency manager Jonathan Reimer draws on his experience responding to some of Canada's largest wildfires to share advice on high-stakes decision-making that you can take to your boardroom, kitchen table or anywhere else.

Looking to level up your presentations? It might only take a poorly-drawn sketch, says professor Martin J. Eppler. He offers three tips to use visualizations at work, laying out how these simple tricks can boost creativity and communication, improve decision-making and lead to better collaboration among colleagues.

Musician Xiuhtezcatl raps, sings and plays piano in a performance seamlessly blending influences from his Indigenous and Mexican heritage.