Africa faces challenges as varied as its vast landmass. But one that’s shared by all 54 countries is how to feed a population of 1.2 billion that’s expected to double by 2050. Fred de Sam Lazaro reports on one attempt to build a...

Allyson Felix reflects on her transition from professional athlete to entrepreneur and advocate, describing it as a challenging but purposeful journey. Drawing on her experiences in sports, she emphasizes perseverance, adapting her...

Scott Galloway addresses a question about the actionable potential of his talk, which connects a dense array of issues and inspires a desire for change. He emphasizes political engagement, support for young people through local...

Social media can offer critical support networks for marginalized groups, such as LGBTQ youth, who may struggle to find connections in their immediate environments. However, Scott Galloway argues that despite some benefits, the...

Yara Shahidi and Anil Seth explore the complexities of self-perception and identity, discussing how acting and neuroscience reveal the dynamic and multifaceted nature of the self. Shahidi reflects on how embodying characters deepens her...

Allyson Felix reflects on her commitment to advancing gender equality and maternal rights, particularly in sports. She emphasizes the importance of normalizing child care at major events and advocating for better policies supporting...

The legal actions against Telegram founder Pavel Durov highlight critical issues surrounding digital communication platforms. With Durov ordered to report to French authorities biweekly following his release, the case raises questions...

Why does losing weight often feel like an uphill battle? Physician Katherine Saunders unpacks how our bodies are wired to store fat, revealing that obesity isn’t simply a lack of willpower — it’s a complex, chronic disease rooted in...

We tend to consider romantic partners and family ties to be our most important relationships, but deep friendships can be just as meaningful. In a perspective-shifting talk, author Rhaina Cohen introduces us to the people unsettling...

TED Fellow and renewable energy expert Norah Magero envisions an Africa that pioneers its own technological future, shifting the narrative from dependence and consumption to self-reliance and innovation. She shares how she developed...

What if AI could help connect you with the right medical care, exactly when you need it? Health systems entrepreneur, surgeon and TED Fellow Mohamed Aburawi explores how his digital health platform, Speetar, uses AI to bridge the...

When monarch butterflies migrate, they produce one of the most iconic wildlife spectacles in the world — and provide us with an important indicator of ecological health, says photographer Jaime Rojo. Telling a story about our...

Nutritious crops aren't getting to the people who need nutrition most, even in one of the most fertile places on Earth: Indonesia. Exploring some of the forgotten foods from the country's more than 17,000 islands, food entrepreneur...

Pot Theft (A Radiolab Adventure)

Paul Andersen explains how biology is ordered in the hierarchy of life. He first of all describes how emergent properties appear as you move to more inclusive systems. The then describes life at the following levels; atom, molecule,...

You might think of national parks as a nice place to see a geyser, or a big ol’ canyon, but over the past 100 years, US national parks have produced some of the biggest, oldest, deepest, and creepiest discoveries that have been made in...

How to Find an Exoplanet

This video is about weird condensed matter systems, aka materials that have bizarre emergent particles in them that are unlike most other particles in the universe.

Astrophysicist Avi Loeb contrasts the ancient awe that Moses felt when witnessing the burning bush with modern humanity's overconfidence since Nietzsche's declaration that "God is dead." He argues that the rise of science and...

Astrophysicist Avi Loeb believes we are likely not alone in the universe. He criticizes the approach of simply waiting for contact through radio signals, suggesting instead that we should actively search for evidence of other life. He...

Why are some people really funny and others ... not so much? Comedian Chris Duffy shows how you can sharpen your sense of humor and start laughing every day — by seeing the world like a kid.

The oceans around Antarctica are cold, but full of life. Join Jessi and Squeaks to learn about the blubber of seals, the amazing antifreeze blood of fish, and the shrinking skills of krill.

Mastodons and woolly mammoths were both ancient relatives of elephants, but they were very different! Join Jessi and Squeaks to see how we can learn all about what an ancient animal ate, just by looking at its teeth.

Jessi and Squeaks explore two of the windiest places on Earth: Mount Washington in New Hampshire, USA, and Commonwealth Bay, Antarctica.