As a self-proclaimed radical street librarian, Storybook Maze makes books appear where they're scarce. Through initiatives like free, public book vending machines and street corner story times, she eliminates book deserts — or areas with limited access to literature — by making books accessible for children in underserved communities. (And in case you're wondering, she shares how you can become a radical street librarian, too.)

Agriculture fundamentally changed the way humans live — but at a cost, using up huge tracts of land and wreaking havoc on the environment, even as millions still go hungry. Entrepreneur and investor David Friedberg paints a picture of the evolution of agriculture and introduces a scientific breakthrough — "boosted breeding" — that might just transform how the world produces food. (This conversation was recorded live with head of TED Chris Anderson.)

The way we raise animals is destructive to humans, animals and the environment, says cardiologist and entrepreneur Uma Valeti. He presents a solution that doesn't require you to give up your favorite protein-packed meals: cultivated meat, grown directly from animal cells. Reportedly some of the "most chicken-y chicken" you'll taste, Valeti envisions how such cultivated meat could save billions of animal lives, improve human health and help protect our planet.

Family life often requires extraordinary bravery, from navigating the daily challenges to surviving the unexpected crises. Author and podcaster Kelly Corrigan offers profound wisdom (and seven key words) to help you focus in on what matters most.

Justin Trudeau has served as the prime minister of Canada since 2015. There's a lot to dig into from his years in office — and from his life before, as well. He sits down with organizational psychologist Adam Grant to discuss lessons learned about leadership and how he navigated early struggles with impostor syndrome. He also shares his approach to maintaining motivation in the face of disapproval and criticism, how he encourages people to speak truth to power, why he considered quitting and what keeps him awake at night. (This interview was recorded for the "ReThinking with Adam Grant" podcast.)

Democracy is about having choices — and authoritarianism is about not having them, says lawyer and writer Ian Bassin. Detailing the seven steps of the authoritarian playbook, he invites us all to put aside our differences and rethink our role in the fight for freedom, revealing the hope and power behind every choice we make.

The secret magic of good food is that it brings people and cultures closer together. Chef Marcus Samuelsson taps into that magic at his acclaimed restaurants and through his cross-cultural approach to cooking. In conversation with art curator Thelma Golden, he expands on the rich fusion of modern Black cuisine and how each bite is a celebration of the diverse, creative and joyful power of food. (Visit ted.com/membership to support TED today and join more exclusive events like this one.)

Singer-songwriter Niaz Nawab performs three songs, weaving stanzas from Persian poetry and philosophy into the latter two.

We can't get rid of anxiety and depression, so we might as well talk about it, says depression truth-teller Adam Whybrew. Sharing his own experience with mental illness, he reveals the surprising benefits of opening up about stress at work — and why being vulnerable creates a safe space for everyone.

What do sandwiches have to do with AI? Data reformist Kasia Chmielinski helps us think about artificial intelligence with a useful food metaphor — and breaks down why AI systems should have "nutrition labels" to ensure the development of fairer, more transparent algorithms.