"Human beings are hardwired to trust one another more when we sing together," says Micah Hendler, founder of the Jerusalem Youth Chorus, a music and dialogue project that brings young Palestinian and Israeli individuals together through song. Hendler and executive director Amer Abu Arqub explore how music creates cross-cultural understanding — even during times of war — and introduce the young singers, who perform a powerful anthem of nonviolence and call on listeners to choose a different way forward.

Leadership isn't a title; it's a verb that requires action, says youth empowerment advocate Mohan Sivaloganathan. Drawing on his experience as the CEO of a nonprofit, he shares surprising lessons on adaptability and accountability, showing why truly effective leaders listen to the voice of younger generations.

Allyson Felix is an 11-time Olympic medalist and the most decorated track and field athlete of all time. She joined us live from the 2024 Summer Olympics in Paris to share her sharp take on how to navigate setbacks, thrive under pressure and find purpose beyond winning — tips that will resonate with everyone, not just those going for gold. (This conversation was hosted by TED's Whitney Pennington Rodgers. Visit ted.com/membership to support TED today and join more exclusive events like this one.)

“A new reality has emerged, one where ambitious Africans are writing their own stories as builders and as innovators,” says business storyteller Peace Itimi. Taking us inside Africa’s booming tech scene, she highlights the trailblazing entrepreneurs and startups reshaping Africa's economy through innovation and ambition.

Spencer J. Cox, Republican governor of the state of Utah in the United States, says that even in these deeply polarized times, it's still possible to disagree without hate or contempt. He shows how this idea sparked a viral campaign ad he co-created with his Democratic political opponent back in 2020 — and shares four practical things every one of us can do to heal the divides in our nations and neighborhoods. (TED is a non-partisan 501(c)(3) tax-exempt organization and does not participate or intervene in any political campaign and neither supports nor opposes any candidate for public office.)

The improper handling of waste is the third largest source of methane emissions in the world, says Aline Sousa, but waste pickers like her help reduce this environmental impact. She dives into the monumental effort of the often-overlooked people making sure recyclables, compostables and trash end up in the right places — and calls for better recognition of these key players on the frontline of fighting climate change.

Vigilance. Grit. Resilience. Valerie Montgomery Rice, the president and CEO of Morehouse School of Medicine, shares where she learned these key qualities of successful leadership, offering three lessons for anyone who wants to overcome their fears, stand up for what’s right and build opportunity for all.

Millions of people say they care deeply about climate change ... yet they're not showing up at elections to turn their concern into political power, says environmental voting advocate Nathaniel Stinnett. He explains why increasing voter participation is essential to advancing the climate movement and shows how his team is mobilizing millions of new environmental voters — without talking about climate change at all.

What's the most important thing to look for when applying for a new job? Entrepreneur Marion Campan advocates for a focus on company culture above all else. She offers practical strategies for evaluating companies before accepting a new position — including how to ask the right questions about values, feedback and expectations — to help job seekers find positions where they can thrive.

From a boy setting off small explosions in his living room to the creator of world-famous pyrotechnic events, multidisciplinary artist Cai Guo-Qiang has always been drawn to gunpowder. He gives a stunning tour of his work — including his fireworks spectacle at the 2008 Beijing Olympics, his "sky ladder" of fire reaching to the clouds and new work created with AI — and shows how his art probes the line between destruction and construction, control and freedom, violence and beauty. (This talk was delivered in Mandarin and translated live into English. The translation was put through a custom AI model of Cai Guo-Qiang's voice, powered by technology from Metaphysic. You'll hear how Cai would sound if he were speaking English.)