What if the secret to a happy relationship isn’t following the rules, but rewriting them? In this refreshing talk, couples therapist Stephanie R. Yates-Anyabwile explores why letting go of traditional societal expectations of romantic relationships — like sharing the same routines or even, in some cases, living together — can help couples embrace their individuality, reduce conflict and build stronger, more fulfilling connections.

To launch new initiatives within the confines of a large corporation, you’ll need to work with the system, not against it, says “intrapreneur” Dave Raggio. He shares three lessons on innovation he learned the hard way — so you don’t have to. (Made in partnership with Intuit)

Dana R. Fisher calls herself an “apocalyptic optimist” based on her research as a sociologist of large social movements. Her studies suggest that ever-increasing climate disasters will get people out in the streets demanding the action we need. She breaks down how to cultivate resilience to catastrophe in yourself and your community — and how to rally for change in the face of seemingly intractable problems.

You’re familiar with the story: a sperm and an egg meet to create an embryo, which has the potential to give rise to new life. But what if you could create a sperm or egg from any cell, even a single skin cell? Biologist Katsuhiko Hayashi discusses the science of in vitro gametogenesis (IVG) — an experimental technique for creating lab-made sperm or eggs out of just about any type of cell — and explores its implications for endangered species, human reproduction and more.

GitHub CEO Thomas Dohmke discusses Europe’s readiness to lead the next era of AI innovation, examining how the continent’s tech ecosystems stack up against those in the US. In conversation with TEDAI Vienna co-curator Vlad Gozman, Dohmke explains the three key shifts that will help Europe thrive in the age of AI — and shows how GitHub’s initiatives can empower anyone to build new ideas around the world.