Did you know that you start losing muscle mass as soon as the age of 30? Author and surfer Bonnie Tsui explores how to build strength as you age with Chris Duffy, host of the "How to Be a Better Human" podcast. Watch as Bonnie tries to teach Chris how to surf while weaving in lessons on the benefits of weightlifting, maintaining mobility and adding more movement into your life.

This episode is part of a series of bonus videos from "How to Be a Better Human." You can find the extended interview on the TED Audio Collective YouTube Channel.

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"Confidence is the necessary spark before everything that follows," says educator and activist Brittany Packnett Cunningham. In an inspiring talk, she shares three ways to crack the code of confidence -- and her dream for a world where revolutionary confidence helps turn our most ambitious dreams into reality.

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What does it take to fly a plane? For TED Fellow Refilwe Ledwaba, it took perseverance and drive — and an instructor who took the time to teach to her learning style. Today, as founder of Girls Fly Africa, Ledwaba is empowering the next generation of pilots, particularly young women, with the engineering skills, professional networks and hands-on experience they need to take flight into a sky-high career.

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Artificial intelligence is changing everything — but at what cost? AI sustainability expert Sasha Luccioni exposes how tech companies' massive data centers are burning through energy and wrecking the planet. She introduces a powerful alternative: small but mighty AI models that could flip the script and make the technology smarter, fairer and sustainable.

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Ecosystem scientist Yadvinder Malhi takes us on a jaw-dropping journey through the hidden flows of energy that make life on Earth tick. From sun-soaked forests to tropical islands, he shows how his team measures the vibrancy of ecosystems across the world. This complex web of energy isn't just nature's masterpiece, he says — it's a lifeline for all of us that call this planet home.

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Imagine watching a movie where the main character turns, looks right at you and asks what to do next. That's the future of entertainment that AI engineer Christoph Lassner envisions, featuring interactive, AI-powered stories that you don’t just watch but also help create. He unpacks what this could mean for storytelling, imagining a world in which creators use generative AI to set the scene — and then let viewers take control of the rest.

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Neuroscientist Jennifer Pfeifer digs into the fascinating brain changes driving young people’s behavior during the critical years of adolescence. She debunks some of the biggest misunderstandings about teens — including puberty, hormones and the impact of social media on mental health — and shows how to support kids during this period of growth and possibility. 

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Being open and vulnerable with your loneliness, sadness and fear can help you find comfort and feel less alone, says writer and artist Jonny Sun. In an honest talk filled with his signature illustrations, Sun shares how telling stories about feeling like an outsider helped him tap into an unexpected community and find a tiny sliver of light in the darkness.

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Reflecting on moments that shaped his life, actor Ethan Hawke examines how courageous expression promotes healing and connection with one another -- and invites you to discover your own unabashed creativity. "There is no path till you walk it," he says.

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More than 8,000 satellites orbit Earth, taking photos every day. Food security specialist and TED Fellow Catherine Nakalembe shows how she uses this imagery to help smallholder farmers across Africa prepare for floods, droughts and crop failures. Learn why real innovation isn’t always about shinier technology — it’s about making the tech truly fit the problem it’s solving.

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