Why great leaders take humor seriously | Jennifer Aaker and Naomi Bagdonas

When it comes to climate, what are we doing right and where should we focus our efforts next? Systems innovator Ryan Panchadsaram and strategist Anjali Grover talk with TED science curator David Biello about the latest on the world's progress toward solving the climate crisis — and why there's more reason for optimism than you might think. Using strategic goal-setting tools that have transformed countless organizations, Panchadsaram and Grover explore the urgent actions needed to steer the planet toward a sustainable future and the pivotal roles of innovation, investment and policy. "The climate story isn't yet written," Grover says.

Marrying for love is a relatively recent phenomenon for humanity, and we still don't fully understand what it means for building successful relationships, says author and psychiatrist George Blair-West. Drawing from his extensive experience working with couples, he shares four questions every couple should ask themselves before tying the knot — and highlights surprising findings on how the way marriage starts impacts if it ends.

In a scorching talk, marketing professor and podcaster Scott Galloway dissects the data showing that, by many measures, young people in the US are worse off financially than ever before. He unpacks the root causes and effects of this "great intergenerational theft," asking why we let it continue and showing how we could make it end. (Note: This talk contains mature language.)

No one truly understands AI, not even experts, says Helen Toner, an AI policy researcher and former board member of OpenAI. But that doesn't mean we can't govern it. She shows how we can make smart policies to regulate this technology even as we struggle to predict where it's headed — and why the right actions, right now, can shape the future we want.

What challenges lie ahead of a staggering 12,700-kilometer paddle around the entire continent of Australia? Crocodiles and sharks were just the beginning, says Ironwoman Bonnie Hancock. Reflecting on her remarkable feat of becoming the fastest person to paddle around Australia, she shares lessons on perseverance, resilience and finding meaning in life's toughest moments.

Can AI help us answer life's biggest questions? In this visionary conversation, Google DeepMind cofounder and CEO Demis Hassabis delves into the history and incredible capabilities of AI with head of TED Chris Anderson. Hassabis explains how AI models like AlphaFold — which accurately predicted the shapes of all 200 million proteins known to science in under a year — have already accelerated scientific discovery in ways that will benefit humanity. Next up? Hassabis says AI has the potential to unlock the greatest mysteries surrounding our minds, bodies and the universe.

Each Sunday, TED shares an episode we think you'll love, handpicked for you… by us. Today: an episode from WorkLife with Adam Grant, the podcast that explores the science of making work not suck. Is “do what you love” terrible advice? Adam investigates why taking the job that will make you happiest is not as helpful as looking for the one where you’ll learn the most.  Find the transcript at go.ted.com/worklifepassion

Louise Mabulo grew up on seemingly strange farming tips from her parents and grandparents — like planting crops during a full moon or burying a rock beneath them. Now a farmer and climate activist herself, she sees how these practical nuggets of wisdom actually have scientific merit. Learn how she's merging traditional knowledge with modern science to help farmers (and the world) adapt to a changing climate.

Too often, employees are unmotivated and unhappy, with no real incentive to invest much of anything into their place of work. Investment expert Pete Stavros thinks there's a better way, and he's on a mission to rethink corporate structures to expand who benefits from a thriving company. Sharing personal stories of his own journey along with the profound impact doing this work effectively can have, this moving talk provides a blueprint for changing the narrative — and outlook — for millions of workers worldwide.

Uncontrolled fire threatens nature — but the right kind of fire can maintain the health and balance of the land, says fire management expert Oral McGuire. As a leader in the Nyungar community of southwestern Australia and a former firefighter, he connects traditional wisdom with modern techniques to wield fire in a way that promotes biodiversity and heals the spirit of the land at the same time.