You're about to hear the sounds of several different creatures — from the voice of one single musician. In a spellbinding talk and performance, singer Snow Raven mimics the hoot of an owl, the grumble of a bear, the howl of a wolf and more.

Can artificial intelligence be funny, or is comedy a uniquely human trait? In this witty and insightful talk, cartoonist Bob Mankoff explores the art of humor, the evolution of AI and what happens when the two collide.

Songs are the soundtrack of our lives. But why exactly do they make us feel the way they do? Songwriter Scarlet Keys sits down at a piano to deconstruct the tools musicians use to make a melody unforgettable — from tone and repetition to lyrics and chords — and sheds light on music's ability to transform moments into memories.

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 Helianti Hillman explains why centering food policy on biodiversity, rather than monoculture, is the key to healthier people and a healthier planet.

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.

"Leaving out information can be just as detrimental as a lie,” says multidisciplinary artist Paul Rucker. In a talk bookended by two cello performances, he shares photographs of the history we often omit — and introduces Cary Forward, his new museum aimed at spotlighting histories of exclusion and perseverance.

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.