These talks can help guide you in nurturing close, meaningful bonds with a long-distance partner, family, a new acquaintance or anyone in between.

"Venus is too hot, Mars is too cold, and Earth is just right," says planetary scientist Dave Brain. But why? In this pleasantly humorous talk, Brain explores the fascinating science behind what it takes for a planet to host life -- and why humanity may just be in the right place at the right time when it comes to the timeline of life-sustaining ...

As a sex educator, Emily Nagoski is often asked: How do couples sustain a strong sexual connection over the long term? In this funny, insightful talk, she shares her answer -- drawing on (somewhat surprising) research to reveal why some couples stop having sex while others keep up a connection for a lifetime.

Small business owners, entrepreneurs or first-timers ready to pursue an exciting new venture — this one's for you. Enjoy these talks teeming with helpful advice on how to build, sustain and lead the company of your dreams.

Jane Poynter tells her story of living two years and 20 minutes in Biosphere 2 -- an experience that provoked her to explore how we might sustain life in the harshest of environments.

Investing in women can unlock infinite potential around the globe. But how can women walk the line between Western-style empowerment and traditional culture? Kavita Ramdas of the Global Fund for Women talks about three encounters with powerful women who fight to make the world better -- while preserving the traditions that sustain them.

The gharial and king cobra are two of India's most iconic reptiles, and they're endangered because of polluted waterways. Conservationist Romulus Whitaker shows rare footage of these magnificent animals and urges us to save the rivers that sustain their lives and our own.

What happens when the fish that sustain a community start disappearing? Environmental activist Lamin Jassey shares how industrial fish meal factories are devastating local waters, livelihoods and health in The Gambia — and how communities are organizing to defend their coasts and reclaim their future, one catch at a time.

Sometimes, when you take a closer look at life it gets a little weird. These talks explore some of the unusual, compelling and extraordinary aspects of the world around us.

Learn how these microorganisms influence everything from the air we breathe and how healthy we are, to forming life itself.

In long-term relationships, we often expect our beloved to be both best friend and erotic partner. But as Esther Perel argues, good and committed sex draws on two conflicting needs: our need for security and our need for surprise. So how do you sustain desire? With wit and eloquence, Perel lets us in on the mystery of erotic intelligence.

What can you do to build a better world? Sharing stories from her pioneering career dedicated to tackling poverty, Jacqueline Novogratz offers three principles to spark and sustain a moral revolution. Learn how you can commit (or recommit) to creating big, positive change in your lifetime -- and give back more to the world than you take from it....

As we age, we often feel like the clock starts ticking on our careers. But there are ways to sustain -- and even gain -- excellence over time. Meet a musician whose career ended too soon, and an entrepreneur and a social media star who defied the stereotypes on professional decline. They illuminate steps that fuel great second and third acts. (A...

Learn about the amazing science behind some of the most awe-inspiring things in the world (and beyond).

Life on your planet depends entirely on Nuronium for normal cognition. Unfortunately, its source has been compromised and you are now at risk of extinction. Scientists have found an alternate energy source, Polixate, but it can't sustain cognition and would mean the loss of people's creativity. So, what shall it be: extinction or life without cu...

Why does race matter so profoundly for health? David R. Williams developed a scale to measure the impact of discrimination on well-being, going beyond traditional measures like income and education to reveal how factors like implicit bias, residential segregation and negative stereotypes create and sustain inequality. In this eye-opening talk, W...

What does it take to persevere and succeed, not just in our careers but in all aspects of our lives? For psychologist Angela Duckworth, the answer can be summed up in one concept: grit. She explains the ingredients in grit and the experiences that make one person persist where another gives up -- and offers concrete steps to instill grit early i...

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 w...

Meander through Earth's lengthy timeline with these talks that go way, way back to the beginning of everything (as we know it so far, that is).

In 1980, Paul Ehrlich and Julian Simon bet $1,000 on a question with stakes that couldn't be higher: would the earth run out of resources to sustain a growing human population? They bet $200 on the price of five metals. If the price of a metal decreased or held steady over the next decade, Simon won. If the price increased, Ehrlich won. So, what...

Throughout the world, we find ourselves faced with self-inflicted and interconnected problems that challenge our social fabric, our economic security and the very ability of the Earth to sustain us. We aren't short on solutions to address these problems, but we often get caught up in arguments against one another. "Dilemma thinking" invites us t...

There's something special about our busy, blue marble of a planet. These talks explore why we should make strides to preserve our shared, galactic home.

A year in reflection of what we learned about our personalities, health, hopes and world as we know it.

Daniel Bögre Udell is the cofounder and director of Wikitongues, working with a global network of grassroots linguists to build a seed bank of every language in the world.

In this personal talk, architect Abeer Seikaly shares how her mission to redesign refugee camps led her on a deeper search for the elusive qualities that turn a shelter into a home. She makes the case for a cross-disciplinary approach to architecture that incorporates social and cultural practice -- and explains how we can derive lessons from ou...

D-L Stewart empowers and imagines futures that sustain and cultivate the learning, growth and success of minoritized groups in postsecondary education.

Anil Gupta created the Honey Bee Network to support grassroots innovators who are rich in knowledge, but not in resources.

Edith Widder combines her expertise in research and technological innovation with a commitment to stopping and reversing the degradation of our marine environment.

Sasa Vucinic's Media Development Loan Fund applies venture-capital principles to create a sustainable free press in developing nations and countries emerging from repressive regimes.

In his memoir, "There Will Be No Miracles Here," Casey Gerald reimagines what it means to truly live and succeed in our society.